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Source: https://freelanceshack.com/blog/how-to-inherit-multiple-forms-in-delphi

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</span></span></div></div></div></div></div></div> <div class="col-md-9 col-lg-9 col-12">   <div itemprop="blogPost" itemscope="itemscope" itemtype="https://schema.org/BlogPosting" class="v-card v-sheet theme--light"><div class="v-card__title"><div class="row"><meta itemprop="author"> <meta itemprop="mainEntityOfPage" content="https://freelanceshack.com/blog/how-to-inherit-multiple-forms-in-delphi"> <div itemprop="publisher" itemscope="itemscope" itemtype="https://schema.org/Organization" class="d-none"><meta itemprop="name" content="freelanceshack.com"> <div itemprop="logo" itemscope="itemscope" itemtype="https://schema.org/ImageObject"><meta itemprop="url" content="https://blogweb-static.fra1.cdn.digitaloceanspaces.com/images/dd5f352e-9f56-413f-99cd-ffdea954bcc4/logo/78.png"></div></div> <div class="col-md-12 col-lg-9 col-12"><h1 itemprop="name headline" class="font-weight-bold">
How to Inherit Multiple Forms In Delphi?
</h1></div> <div class="d-flex justify-end align-start col-md-12 col-lg-3 col-12"><div><span class="d-flex caption"><i aria-hidden="true" class="v-icon notranslate mdi mdi-clock-outline theme--light"></i> <time datetime="2025-01-01T00:00:00Z">
January 1, 2025 12:00 AM</time> <meta content="2023-11-15T12:27:35Z" itemprop="datePublished"> <meta content="2025-01-01T00:00:00Z" itemprop="dateModified"></span> <span class="d-flex caption justify-end">
12 minutes read
</span></div></div></div></div> <div class="col col-12"></div> <div class="v-card__text post-text ql-viewer"><div class="row"><div itemprop="image" itemscope="itemscope" class="text-center col col-12"><div aria-label="How to Inherit Multiple Forms In Delphi?" role="img" itemprop="url contentUrl" itemtype="https://schema.org/ImageObject" class="v-image v-responsive theme--light" style="max-height:300px;"><div class="v-image__image v-image__image--preload v-image__image--contain" style="background-image:;background-position:center center;"></div><div class="v-responsive__content"></div></div></div></div> <div itemprop="articleBody" class="row"><div class="col"><div class="run-code"><p><a href="https://stlplaces.com/blog/how-to-use-an-image-as-a-button-in-delphi" target="_blank">In Delphi</a>, inheritance allows you to create new classes based on existing ones, thereby reusing code and adding new functionality. By using multiple inheritance, you can inherit properties, methods, and events from multiple forms.</p><p><br/></p><p>To inherit multiple forms in Delphi, you need to follow these steps:</p><ol><li>Create a new form (let's call it ChildForm) that you want to inherit from multiple forms.
</li><li>Add the <a href="https://devhubby.com/thread/how-to-get-parent-id-when-creating-a-child-in-ember" target="_blank">ParentForm</a>1 unit and ParentForm2 unit to the uses clause of ChildForm. This ensures that the child form can access the code of both parent forms.
</li><li>In the ChildForm class declaration, inherit from ParentForm1 and ParentForm2 using the inherited keyword. For example:
</li></ol><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4
</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>type
</span></span><span style="display:flex;"><span> TChildForm = class(ParentForm1, ParentForm2)
</span></span><span style="display:flex;"><span> // ...
</span></span><span style="display:flex;"><span> end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><ol><li>Now, ChildForm will have access to the properties, methods, and events of both ParentForm1 and ParentForm2. You can override or extend these <a href="https://ubuntuask.com/blog/how-to-hide-inherited-dialog-properties-on-aem" target="_blank">inherited elements accordingly</a>.</li></ol><p><br/></p><p>Note that when you inherit from multiple forms, you must be careful with naming conflicts. If both <code>ParentForm1</code> and <code>ParentForm2</code> have properties or methods with the same name, you will need to resolve the conflict in <code>ChildForm</code> by specifying which parent class should be used. You can use the <code>inherited</code> keyword to call a specific parent class's implementation.</p><p><br/></p><p>By using multiple inheritance in Delphi, you can combine the features of multiple forms into a <a href="https://techtalk.abatek.com/blog/how-to-update-two-tables-using-single-procedure-in" target="_blank">single child form</a>, allowing for greater code reuse and functionality.</p>
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</script><h2>How to handle resource management when inheriting multiple forms in Delphi?</h2><p>In Delphi, when inheriting multiple forms, it is important to handle resource management properly to avoid memory leaks and ensure efficient code execution. Here are some steps to follow:</p><ol><li><strong>Properly release resources in the destructor</strong>: Override the destructor of the inherited form class and make sure to call the Free method or any other appropriate resource releasing methods for all the components or objects created in the form that need to be freed.</li></ol><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 1
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</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>destructor TMyForm.Destroy;
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> // Release resource for components or objects
</span></span><span style="display:flex;"><span> Component1.Free;
</span></span><span style="display:flex;"><span> Component2.Free;
</span></span><span style="display:flex;"><span> // ...
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span> // Call the inherited destructor
</span></span><span style="display:flex;"><span> inherited;
</span></span><span style="display:flex;"><span>end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><ol><li><strong>Manage the ownership of components</strong>: When creating new components on inherited forms, be cautious about the ownership. Make sure to properly manage the ownership by setting the Owner property to the form or another appropriate component that will handle the lifetime of the created objects.</li></ol><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1
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</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">5
</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>var
</span></span><span style="display:flex;"><span> MyComponent: TComponent;
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> MyComponent := TSomeComponent.Create(Self); // Self or another object as the owner
</span></span><span style="display:flex;"><span>end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><ol><li><strong>Handle event handlers</strong>: If any event handlers are assigned to components on inherited forms, properly unassign them or set them to nil in the destructor to avoid memory leaks.</li></ol><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4
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</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>destructor TMyForm.Destroy;
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> // Unassign or set event handlers to nil
</span></span><span style="display:flex;"><span> Component1.OnEvent := nil;
</span></span><span style="display:flex;"><span> Component2.OnEvent := nil;
</span></span><span style="display:flex;"><span> // ...
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span> inherited;
</span></span><span style="display:flex;"><span>end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><ol><li><strong>Avoid duplicating component creation</strong>: If components are already created in the inherited form's constructor, avoid duplicating the creation process in the descendant form's constructor. Instead, directly access the components from the inherited form.</li></ol><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1
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</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">5
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">6
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">7
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</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>constructor TMyForm.Create(AOwner: TComponent);
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> inherited;
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span> // Access and modify components from the inherited form
</span></span><span style="display:flex;"><span> InheritedComponent1.Property := Value;
</span></span><span style="display:flex;"><span> InheritedComponent2.Method;
</span></span><span style="display:flex;"><span>end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><p>By following these steps, you can effectively handle resource management when inheriting multiple forms in Delphi and ensure proper memory handling and efficient code execution.</p><p><br/></p><h2>What is the process of inheriting multiple forms in Delphi?</h2><p>In Delphi, you cannot directly inherit from multiple forms like you can in some other programming languages. However, there are a couple of ways to achieve similar functionality:</p><ol><li><strong>Using Frames</strong>: Delphi provides a concept called "Frames" which can be used to create reusable visual components. You can design a frame similar to a form, add controls to it, and define event handlers. Then, you can add the frame to multiple forms in your application. This allows you to share functionality across multiple forms without the need for multiple inheritance. To use frames:
Create a new frame in your project by right-clicking on the project in the Project Manager and selecting "New" -> "Frame".
Design the frame by adding controls and event handlers.
In each form where you want to use this frame, add a frame component to the form and set its properties to the desired frame.
</li><li><strong>Using Interfaces</strong>: Delphi supports interface-based inheritance, where you define an interface that declares the common functionality you want to inherit, and then <a href="https://freelanceshack.com/blog/how-to-implement-error-handling-with-the-operator">implement</a> that interface in multiple forms. To use interfaces:
Define an interface containing the methods, properties, and events that you want to share among multiple forms.
Implement this interface in each form where you want to provide the shared functionality.
Use the implemented interface methods, properties, and events in your forms as needed.
</li></ol><p><br/></p><script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
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</script><p>By using frames or interfaces, you can achieve inheritance-like behavior across multiple forms in Delphi even though multiple form inheritance is not directly supported.</p><p><br/></p><h2>What is the benefit of inheriting multiple forms in Delphi?</h2><p>Inheriting multiple forms in Delphi allows developers to extend the functionality of existing forms without modifying the original form code. Some of the benefits of inheriting multiple forms in Delphi include:</p><ol><li><strong>Code Reusability</strong>: By inheriting multiple forms, developers can reuse the code and functionality of multiple forms in a single form. This promotes code reusability and reduces the amount of duplicated code.
</li><li><strong>Modular Design</strong>: Inheriting multiple forms helps in creating a modular design where each form represents a specific functionality or feature. This makes the code more organized and easier to maintain.
</li><li><strong>Extensibility</strong>: It allows developers to add new features or modify existing features by extending the inherited forms. This makes it easier to implement changes without disturbing the original form code.
</li><li><strong>Encapsulation</strong>: Inheriting multiple forms helps in encapsulating related functionality within a single form. This helps in improving the code's readability and reducing the complexity of accessing different functionalities spread across multiple forms.
</li><li><strong>Testability</strong>: Inheriting multiple forms promotes testability as it separates the functionality into different forms. This allows developers to write unit tests for each form individually, making it easier to test and debug.
</li><li><strong>Collaboration</strong>: Multiple developers can work on different forms simultaneously without affecting each other's work. Each developer can focus on a specific form and its functionality, making collaboration easier and more efficient.
</li></ol><p><br/></p><p>Overall, inheriting multiple forms in Delphi provides a flexible and modular approach to building applications, allowing for code reuse, extensibility, and easier maintenance.</p><p><br/></p><h2>What is the role of protected visibility when inheriting multiple forms in Delphi?</h2><p>In Delphi, the protected visibility is used to define members (fields, methods, and properties) that are <a href="https://freelanceshack.com/blog/how-to-use-delphis-tdataset-components-for-database">access</a>ible within the current class and its descendants. When inheriting multiple forms in Delphi, the protected visibility plays a crucial role in allowing the descendant forms (inherited forms) to access and manipulate the protected members of the parent form.</p><p><br/></p><p>By utilizing the protected visibility, you can share common functionality or data among multiple forms without exposing them to external classes or units. This enables you to create a hierarchical structure that promotes code reuse and encapsulation.</p><script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
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</script><p><br/></p><p>For example, suppose you have a base form (ParentForm) with some protected members (e.g., protected fields or protected methods). You can then derive multiple forms (ChildForm1, ChildForm2, etc.) from the ParentForm, allowing the child forms to access and utilize the protected members defined in the parent form.</p><p><br/></p><p>By doing so, the child forms can extend or override the behavior of the parent form while still having access to its protected members. This improves code organization, maintainability, and flexibility.</p><p><br/></p><p>To summarize, the role of protected visibility when inheriting multiple forms in Delphi is to provide access to common functionality or data within the inheritance hierarchy, enabling child forms to utilize and modify the protected members of the parent form.</p><p><br/></p><h2>How to handle event handlers when inheriting multiple forms in Delphi?</h2><p>When inheriting multiple forms in Delphi, you might need to handle event handlers in a specific way. Here's one approach you can follow:</p><ol><li>Define a base form:</li></ol><p><br/></p><script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
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<script>
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</script><p>Start by creating a base form that will serve as the ancestor for all the other forms you want to inherit.</p><ol><li>Define custom events:</li></ol><p><br/></p><p>Define custom events in the base form using the <code>TNotifyEvent</code> type or create your own event types using the <code>type</code> keyword. These events will act as placeholders for the original event handlers you intend to override in the child forms.</p><p><br/></p><p>For example:</p><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 1
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 2
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 4
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</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">16
</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>type
</span></span><span style="display:flex;"><span> TButtonClickEvent = procedure(Sender: TObject; Button: TButton) of object;
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span> TBaseForm = class(TForm)
</span></span><span style="display:flex;"><span> Button1: TButton;
</span></span><span style="display:flex;"><span> Button2: TButton;
</span></span><span style="display:flex;"><span> //...
</span></span><span style="display:flex;"><span> procedure Button1Click(Sender: TObject);
</span></span><span style="display:flex;"><span> procedure Button2Click(Sender: TObject);
</span></span><span style="display:flex;"><span> private
</span></span><span style="display:flex;"><span> FOnButtonClick: TButtonClickEvent;
</span></span><span style="display:flex;"><span> //...
</span></span><span style="display:flex;"><span> public
</span></span><span style="display:flex;"><span> property OnButtonClick: TButtonClickEvent read FOnButtonClick write FOnButtonClick;
</span></span><span style="display:flex;"><span> //...
</span></span><span style="display:flex;"><span> end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><ol><li>Implement original event handlers:</li></ol><p><br/></p><p>Implement the original event handlers in the base form, and call the corresponding custom event whenever the event handlers are triggered.</p><p><br/></p><script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
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<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script><p>For example:</p><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 1
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 2
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 4
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 5
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 6
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 7
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 8
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 9
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">10
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">11
</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>procedure TBaseForm.Button1Click(Sender: TObject);
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> if Assigned(FOnButtonClick) then
</span></span><span style="display:flex;"><span> FOnButtonClick(Sender, Button1);
</span></span><span style="display:flex;"><span>end;
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span>procedure TBaseForm.Button2Click(Sender: TObject);
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> if Assigned(FOnButtonClick) then
</span></span><span style="display:flex;"><span> FOnButtonClick(Sender, Button2);
</span></span><span style="display:flex;"><span>end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><ol><li>Inherit child forms:</li></ol><p><br/></p><p>Inherit the child forms from the base form:</p><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">5
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">6
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">7
</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span> TChildForm1 = class(TBaseForm)
</span></span><span style="display:flex;"><span> //... override or implement additional functionality
</span></span><span style="display:flex;"><span> end;
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span> TChildForm2 = class(TBaseForm)
</span></span><span style="display:flex;"><span> //... override or implement additional functionality
</span></span><span style="display:flex;"><span> end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><ol><li>Override event handlers in child forms:</li></ol><p><br/></p><p>In the child forms, override the custom event handlers that were declared in the base form. Here, you can write your own event handling code specific to each form.</p><p><br/></p><p>For example:</p><script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
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<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">5
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">6
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">7
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">8
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">9
</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>procedure TChildForm1.DoButtonClick(Sender: TObject; Button: TButton);
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> // ... your custom event handling code for ChildForm1
</span></span><span style="display:flex;"><span>end;
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span>procedure TChildForm2.DoButtonClick(Sender: TObject; Button: TButton);
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> // ... your custom event handling code for ChildForm2
</span></span><span style="display:flex;"><span>end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><ol><li>Assign event handler in the Main unit:</li></ol><p><br/></p><p>In the main unit where you create instances of the child forms, assign the event handlers to the custom events defined in the base form.</p><p><br/></p><p>For example:</p><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">4
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">5
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">6
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">7
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">8
</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>procedure TMainForm.FormCreate(Sender: TObject);
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> ChildForm1 := TChildForm1.Create(Self);
</span></span><span style="display:flex;"><span> ChildForm1.OnButtonClick := ChildForm1.DoButtonClick;
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span> ChildForm2 := TChildForm2.Create(Self);
</span></span><span style="display:flex;"><span> ChildForm2.OnButtonClick := ChildForm2.DoButtonClick;
</span></span><span style="display:flex;"><span>end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><p>By following these steps, you can handle event handlers when inheriting multiple forms in Delphi.</p><p><br/></p><h2>What is the syntax for inheriting multiple forms in Delphi?</h2><p>To inherit multiple forms in Delphi, you can use the <code>TForm</code> class and the <code>inherited</code> keyword in your child form's declaration. Here's the syntax:</p><script async="" src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<ins class="adsbygoogle" style="display:block" data-ad-format="fluid" data-ad-layout-key="-ef+6k-30-ac+ty" data-ad-client="ca-pub-4833888168110763" data-ad-slot="1024354517"></ins>
<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script><div style="color:#f8f8f2;background-color:#272822;">
<table style="border-spacing:0;padding:0;margin:0;border:0;"><tbody><tr><td style="vertical-align:top;padding:0;margin:0;border:0;">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 1
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 2
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 3
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 4
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 5
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 6
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 7
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 8
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 9
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">10
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">11
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">12
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">13
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">14
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">15
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">16
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">17
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">18
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">19
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">20
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">21
</span><span style="white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">22
</span></pre></td>
<td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%">
<pre tabindex="0" style="color:#f8f8f2;background-color:#272822;"><span style="display:flex;"><span>type
</span></span><span style="display:flex;"><span> TChildForm = class(TForm)
</span></span><span style="display:flex;"><span> // Child form properties, events, etc.
</span></span><span style="display:flex;"><span> private
</span></span><span style="display:flex;"><span> // Private declarations
</span></span><span style="display:flex;"><span> protected
</span></span><span style="display:flex;"><span> // Protected declarations
</span></span><span style="display:flex;"><span> public
</span></span><span style="display:flex;"><span> // Public declarations
</span></span><span style="display:flex;"><span> constructor Create(AOwner: TComponent); override;
</span></span><span style="display:flex;"><span> end;
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span>implementation
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span>{ TChildForm }
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span>constructor TChildForm.Create(AOwner: TComponent);
</span></span><span style="display:flex;"><span>begin
</span></span><span style="display:flex;"><span> inherited Create(AOwner);
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span> // Additional initialization code
</span></span><span style="display:flex;"><span>end;
</span></span></pre></td></tr></tbody></table>
</div>
<p><br/></p><p>In this example, <code>TChildForm</code> inherits from <code>TForm</code> and overrides its <code>Create</code> constructor. By calling <code>inherited Create(AOwner)</code>, you invoke the parent <code>TForm</code> class's constructor and include any additional initialization code specific to your child form.</p></div></div></div></div>  <div class="text-center col"></div> <div class="justify-center icons d-flex col col-12" data-v-80f69840 data-v-80f69840>   <a href="https://twitter.com/intent/tweet?url=https%3A%2F%2Ffreelanceshack.com%2Fblog%2Fhow-to-inherit-multiple-forms-in-delphi&text=How%20to%20Inherit%20Multiple%20Forms%20In%20Delphi%3F&hashtags=blogweb" rel="nofollow noopener" target="_blank" title="Twitter" data-v-80f69840><img src="https://blogweb-static.fra1.cdn.digitaloceanspaces.com/assets/images/icons/32/twitter.png" width="32" height="32" alt="Twitter" data-v-80f69840></a> <a href="https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Ffreelanceshack.com%2Fblog%2Fhow-to-inherit-multiple-forms-in-delphi" rel="nofollow noopener" target="_blank" title="LinkedIn" data-v-80f69840><img src="https://blogweb-static.fra1.cdn.digitaloceanspaces.com/assets/images/icons/32/linkedin.png" width="32" height="32" alt="LinkedIn" data-v-80f69840></a> <a href="https://telegram.me/share/url?url=https%3A%2F%2Ffreelanceshack.com%2Fblog%2Fhow-to-inherit-multiple-forms-in-delphi" rel="nofollow noopener" target="_blank" title="Telegram" data-v-80f69840><img src="https://blogweb-static.fra1.cdn.digitaloceanspaces.com/assets/images/icons/32/telegram.png" width="32" height="32" alt="Telegram" data-v-80f69840></a> <a href="https://api.whatsapp.com/send?text=https%3A%2F%2Ffreelanceshack.com%2Fblog%2Fhow-to-inherit-multiple-forms-in-delphi" rel="nofollow noopener" target="_blank" title="Whatsapp" data-v-80f69840><img src="https://blogweb-static.fra1.cdn.digitaloceanspaces.com/assets/images/icons/32/whatsapp.png" width="32" height="32" alt="Whatsapp" data-v-80f69840></a> </div></div>   <div class="row mt-2"><div class="col col-12"><h2 class="display-1">Related Posts:</h2></div> <div class="col-sm-12 col-md-6 col-lg-4 col-12"><div class="mx-auto v-card v-sheet theme--light" style="max-width:400px;"><div class="v-image v-responsive align-end theme--light" style="height:200px;"><div class="v-image__image v-image__image--preload v-image__image--cover" style="background-image:;background-position:center center;"></div><div class="v-responsive__content"></div></div> <div class="v-card__title"><a href="/blog/how-to-inherit-classes-in-swift" itemprop="mainEntityOfPage url">
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How to Implement Multithreading In Delphi?
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Multithreading in Delphi refers to the ability to execute multiple threads concurrently within a Delphi application. Implementing multithreading in Delphi can provide several benefits, such as improved performance and responsiveness. Here are the key steps to ...
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How to Create And Use Frames In Delphi?
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Creating and using frames in Delphi allows you to create reusable components that can be easily embedded within different forms or other frames in your application. Frames provide a way to encapsulate and group related controls, making it easier to manage and ...
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We will delete such information from our files as soon as reasonably practicable.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EYour Rights\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u003E\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003E\u003Cstrong\u003EOpt-out. \u003C\u002Fstrong\u003EYou may contact us anytime to opt-out of: (i) direct marketing communications; (ii) automated decision-making and\u002For profiling; (iii) our collection of sensitive personal data; (iv) any new processing of your personal data that we may carry out beyond the original purpose; or (v) the transfer of your personal data outside the EEA. Please note that your use of some of the website may be ineffective upon opt-out.\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EAccess. \u003C\u002Fstrong\u003EYou may access the information we hold about you at any time via your profile\u002Faccount or by contacting us directly.\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EAmend. \u003C\u002Fstrong\u003EYou can also contact us to update or correct any inaccuracies in your personal data.\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EMove. \u003C\u002Fstrong\u003EYour personal data is portable – i.e. you to have the flexibility to move your data to other service providers as you wish.\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EErase and forget. \u003C\u002Fstrong\u003EIn certain situations, for example when the information we hold about you is no longer relevant or is incorrect, you can request that we erase your data.\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003Cp\u003EIf you wish to exercise any of these rights, please contact us. In your request, please make clear: (i) \u003Cstrong\u003Ewhat\u003C\u002Fstrong\u003E personal data is concerned; and (ii) \u003Cstrong\u003Ewhich of the above rights\u003C\u002Fstrong\u003E you would like to enforce. For your protection, we may only implement requests with respect to the personal data associated with the particular email address that you use to send us your request, and we may need to verify your identity before implementing your request. We will try to comply with your request as soon as reasonably practicable and in any event, within one month of your request. Please note that we may need to retain certain information for recordkeeping purposes and\u002For to complete any transactions that you began prior to requesting such change or deletion.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EComplaints\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EWe are committed to resolve any complaints about our collection or use of your personal data. If you would like to make a complaint regarding this Policy or our practices in relation to your personal data, please contact us through the information listed on our website. We will reply to your complaint as soon as we can and in any event, within 30 days. We hope to resolve any complaint brought to our attention, however if you feel that your complaint has not been adequately resolved, you reserve the right to contact your local data protection supervisory authority\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EContact Information\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EWe welcome your comments or questions about this Policy. You may contact us in writing or through our website.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u003E\u003C\u002Fp\u003E",Terms:"\u003Cp\u003E\u003Cstrong\u003ETerms of Use\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EEffective as of May 9, 2020.\u003C\u002Fp\u003E\u003Cp\u003EWelcome to the Self-employment (the \"Service\"). The following Terms of Use apply when you view or use the Service located at: https:\u002F\u002Fblogweb.me. Please review the following terms carefully. By accessing or using the Service, you signify your agreement to these Terms of Use. If you do not agree to these Terms of Use, you may not access or use the Service.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EPRIVACY POLICY\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EThe company respects the privacy of its Service users. Please refer to the Company's Privacy Policy which explains how we collect, use, and disclose information that pertains to your privacy. When you access or use the Service, you signify your agreement to this Privacy Policy.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EREGISTRATION; RULES FOR USER CONDUCT AND USE OF THE SERVICE\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EYou need to be at least 16 years old to register for and use the Service.\u003C\u002Fp\u003E\u003Cp\u003EIf you are a user who signs up for the Service, the company will create a personalized account, which includes a unique username and a password to access the Service and allow you to receive messages from the Company. You agree to notify us immediately of any unauthorized use of your password and\u002For account. The Company will not be responsible for any liabilities, losses, or damages arising out of the unauthorized use of your member name, password and\u002For account.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EUSE RESTRICTIONS.\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EYour permission to use the Site is conditioned upon the following Use Restrictions and Conduct Restrictions: You agree that you will not under any circumstances:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003Epost any information that is abusive, threatening, obscene, defamatory, libelous, or racially, sexually, religiously, or otherwise objectionable and offensive;\u003C\u002Fli\u003E\u003Cli\u003Euse the service for any unlawful purpose or for the promotion of illegal activities;\u003C\u002Fli\u003E\u003Cli\u003Eattempt to, or harass, abuse or harm another person or group;\u003C\u002Fli\u003E\u003Cli\u003Euse another user's account without permission;\u003C\u002Fli\u003E\u003Cli\u003Eprovide false or inaccurate information when registering an account;\u003C\u002Fli\u003E\u003Cli\u003Einterfere or attempt to interfere with the proper functioning of the Service;\u003C\u002Fli\u003E\u003Cli\u003Emake any automated use of the system, or take any action that we deem to impose or to potentially impose an unreasonable or disproportionately large load on our servers or network infrastructure;\u003C\u002Fli\u003E\u003Cli\u003Ebypass any robot exclusion headers or other measures we take to restrict access to the Service or use any software, technology, or device to scrape, spider, or crawl the Service or harvest or manipulate data; or\u003C\u002Fli\u003E\u003Cli\u003Epublish or link to malicious content intended to damage or disrupt another user's browser or computer.\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003Cp\u003E\u003Cstrong\u003EPOSTING AND CONDUCT RESTRICTIONS.\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EWhen you create your own personalized account, you may be able to provide (\"User Content\"). You are solely responsible for the User Content that you post, upload, link to or otherwise make available via the Service. You agree that we are only acting as a passive conduit for your online distribution and publication of your User Content. The Company, however, reserves the right to remove any User Content from the Service at its discretion.\u003C\u002Fp\u003E\u003Cp\u003EThe following rules pertain to User Content. By transmitting and submitting any User Content while using the Service, you agree as follows:\u003C\u002Fp\u003E\u003Cul\u003E\u003Cli\u003EYou are solely responsible for your account and the activity that occurs while signed in to or while using your account;\u003C\u002Fli\u003E\u003Cli\u003EYou will not post information that is malicious, false or inaccurate;\u003C\u002Fli\u003E\u003Cli\u003EYou will not submit content that is copyrighted or subject to third party proprietary rights, including privacy, publicity, trade secret, etc., unless you are the owner of such rights or have the appropriate permission from their rightful owner to specifically submit such content; and\u003C\u002Fli\u003E\u003Cli\u003EYou hereby affirm we have the right to determine whether any of your User Content submissions are appropriate and comply with these Terms of Service, remove any and\u002For all of your submissions, and terminate your account with or without prior notice.\u003C\u002Fli\u003E\u003C\u002Ful\u003E\u003Cp\u003EYou understand and agree that any liability, loss or damage that occurs as a result of the use of any User Content that you make available or access through your use of the Service is solely your responsibility. The Company is not responsible for any public display or misuse of your User Content. The Company does not, and cannot, pre-screen or monitor all User Content. However, at our discretion, we, or the technology we employ, may monitor and\u002For record your interactions with the Service.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EONLINE CONTENT DISCLAIMER\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EOpinions, advice, statements, offers, or other information or content made available through the Service, but not directly by the Company, are those of their respective authors, and should not necessarily be relied upon. Such authors are solely responsible for such content. The Company does not guarantee the accuracy, completeness, or usefulness of any information on the Service and neither does the Company adopt nor endorse, nor is the Company responsible for the accuracy or reliability of any opinion, advice, or statement made by parties other than the Company. The Company takes no responsibility and assumes no liability for any User Content that you or any other user or third party posts or sends over the Service. Under no circumstances will the Company be responsible for any loss or damage resulting from anyone's reliance on information or other content posted on the Service, or transmitted to users.\u003C\u002Fp\u003E\u003Cp\u003EThough the Company strives to enforce these Terms of Use, you may be exposed to User Content that is inaccurate or objectionable. The Company reserves the right, but has no obligation, to monitor the materials posted in the public areas of the service or to limit or deny a user's access to the Service or take other appropriate action if a user violates these Terms of Use or engages in any activity that violates the rights of any person or entity or which we deem unlawful, offensive, abusive, harmful or malicious. The Company shall have the right to remove any such material that in its sole opinion violates, or is alleged to violate, the law or this agreement or which might be offensive, or that might violate the rights, harm, or threaten the safety of users or others. Unauthorized use may result in criminal and\u002For civil prosecution under the law. If you become aware of misuse of our Service, please contact us at https:\u002F\u002Fblogweb.me.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003ELINKS TO OTHER SITES AND\u002FOR MATERIALS\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EAs part of the Service, the Company may provide you with convenient links to third party web site(s) (\"Third Party Sites\") as well as content or items belonging to or originating from third parties (the\"Third Party Applications, Software or Content\"). These links are provided as a courtesy to Service subscribers. The Company has no control over Third Party Sites and Third Party Applications, Software or Content or the promotions, materials, information, goods or services available on these Third Party Sites or Third Party Applications, Software or Content. Such Third Party Sites and Third Party Applications, Software or Content are not investigated, monitored or checked for accuracy, appropriateness, or completeness by the Company, and the Company is not responsible for any Third Party Sites accessed through the Site or any Third Party Applications, Software or Content posted on, available through or installed from the Site, including the content, accuracy, offensiveness, opinions, reliability, privacy practices or other policies of or contained in the Third Party Sites or the Third Party Applications, Software or Content. Inclusion of, linking to or permitting the use or installation of any Third Party Site or any Third Party Applications, Software or Content does not imply approval or endorsement thereof by the Company. If you decide to leave the Site and access the Third Party Sites or to use or install any Third Party Applications, Software or Content, you do so at your own risk and you should be aware that our terms and policies no longer govern. You should review the applicable terms and policies, including privacy and data gathering practices, of any site to which you navigate from the Site or relating to any applications you use or install from the site.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003ECOPYRIGHT COMPLAINTS AND COPYRIGHT AGENT\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003E(a) Termination of Repeat Infringe Accounts. The Company respects the intellectual property rights of others and requests that the users do the same. The Company has adopted and implemented a policy that provides for the termination in appropriate circumstances of users of the Service who are repeat infringers The Company may terminate access for participants or users who are found repeatedly to provide or post protected third party content without necessary rights and permissions.\u003C\u002Fp\u003E\u003Cp\u003E(b) Take-Down Notices. If you are a copyright owner or an agent thereof and believe, in good faith, that any materials provided on the Service infringe upon your copyrights, you may submit a notification pursuant by sending the following information in writing to the Company's designated copyright agent at Self-employment:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EThe date of your notification;\u003C\u002Fli\u003E\u003Cli\u003EA Physical or electronic signature of a person authorized to act on behalf of the owner of an exclusive right that is allegedly infringed;\u003C\u002Fli\u003E\u003Cli\u003EA description of the copyrighted work claimed to have been infringed, or, if multiple copyrighted works at a single online site are recovered by a single notification, a representative list of such works at that site;\u003C\u002Fli\u003E\u003Cli\u003EA description of the material that is claimed to be infringing or to be the subject of infringing activity and information sufficient to enable us to locate such work;\u003C\u002Fli\u003E\u003Cli\u003EInformation reasonably sufficient to permit the service provider to contact you, such as an address, telephone number, and\u002For email address;\u003C\u002Fli\u003E\u003Cli\u003EA statement that you have a good faith belief that use of the material in the manner complained of is not authorized by the copyright owner, its agent, or the law; and\u003C\u002Fli\u003E\u003Cli\u003EA statement that the information in the notification is accurate, and under penalty of perjury, that you are authorized to act on behalf of the owner of an exclusive right that is allegedly infringed.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E(c) Counter-Notices. If you believe that your User Content that has been removed from the Site is not infringing, or that you have the authorization from the copyright owner, the copyright owner's agent, or pursuant to the law, to post and use the content in your User Content, you may send a counter-notice containing the following information to our copyright agent using the contact information set forth above:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EYour physical or electronic signature;\u003C\u002Fli\u003E\u003Cli\u003EA description of the content that has been removed and the location at which the content appeared before it was removed;\u003C\u002Fli\u003E\u003Cli\u003EA statement that you have a good faith belief that the content was removed as a result of mistake or a misidentification of the content; and\u003C\u002Fli\u003E\u003Cli\u003EYour name, address, telephone number, and email address, a statement that you consent to the laws of California and a statement that you will accept service of process from the person who provided notification of the alleged infringement.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003EIf a counter-notice is received by the Company copyright agent, the Company may send a copy of the counter-notice to the original complaining party informing such person that it may reinstate the removed content in 10 business days. Unless the copyright owner files an action seeking a court order against the content provider, member or user, the removed content may (in the Company's discretion) be reinstated on the Site in 10 to 14 business days or more after receipt of the counter-notice.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003ELICENSE GRANT\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy posting any User Content via the Service, you expressly grant, and you represent and warrant that you have a right to grant, to the Company a royalty-free, sub licensable, transferable, perpetual, irrevocable, non-exclusive, worldwide license to use, reproduce, modify, publish, list information regarding, edit, translate, distribute, publicly perform, publicly display, and make derivative works of all such User Content and your name, voice, and\u002For likeness as contained in your User Content, if applicable, in whole or impart, and in any form, media or technology, whether now known or hereafter developed, for use in connection with the Service.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EINTELLECTUAL PROPERTY\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EYou acknowledge and agree that we and our licensors retain ownership of all intellectual property rights of any kind related to the Service, including applicable copyrights, trademarks and other proprietary rights. Other product and business names that are mentioned on the Service may be trademarks of their respective owners. We reserve all rights that are not expressly granted to you under this Agreement.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EEMAIL MAY NOT BE USED TO PROVIDE NOTICE\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003ECommunications made through the Service's e-mail and messaging system, will not constitute legal notice to the Company or any of its officers, employees, agents or representatives in any situation where notice to the Company is required by contract or any law or regulation.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EUSER CONSENT TO RECEIVE COMMUNICATIONS IN ELECTRONIC FORM\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor contractual purposes, you (a) consent to receive communications from the Company in an electronic form via the email address you have submitted; and (b) agree that all Terms of Use, agreements, notices, disclosures, and other communications that the Company provides to you electronically satisfy any legal requirement that such communications would satisfy if it were in writing. The foregoing does not affect your non-waivable rights.\u003C\u002Fp\u003E\u003Cp\u003EWe may also use your email address, to send you other messages, including information about the Company and special offers. You may opt out of such email by changing your account settings or sending an email to Self-employment.\u003C\u002Fp\u003E\u003Cp\u003EOpting out may prevent you from receiving messages regarding the Company or Special Offers.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EWARRANTY\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003ETHE SERVICE, IS PROVIDED \"AS IS,\" WITHOUT WARRANTY OF ANY KIND. WITHOUT LIMITING THE FOREGOING, THE COMPANY EXPRESSLY DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, REGARDING THE SERVICE INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, SECURITY, ACCURACY AND NON-INFRINGEMENT. WITHOUT LIMITING THE FOREGOING, THE COMPANY MAKES NO WARRANTY OR REPRESENTATION THAT ACCESS TO OR OPERATION OF THE SERVICE WILL BE UNINTERRUPTED OR ERROR FREE. YOU ASSUME FULL RESPONSIBILITY AND RISK OF LOSS RESULTING FROM YOUR DOWNLOADING AND\u002FOR USE OF FILES, INFORMATION, CONTENT OR OTHER MATERIAL OBTAINED FROM THE SERVICE. SOME JURISDICTIONS LIMIT OR DO NOT PERMIT DISCLAIMERS OF WARRANTY, SO THIS PROVISION MAY NOT APPLY TO YOU.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003ELIMITATION OF DAMAGES; RELEASE\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003ETO THE EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL THE COMPANY, ITS AFFILIATES, DIRECTORS, OR EMPLOYEES, OR ITS LICENSORS OR PARTNERS, BE LIABLE TO YOU FOR ANY LOSS OF PROFITS, USE, OR DATA, OR FOR ANY INCIDENTAL, INDIRECT, SPECIAL, CONSEQUENTIAL OR EXEMPLARY DAMAGES, HOWEVER ARISING, THAT RESULT FROM (A) THE USE, DISCLOSURE, OR DISPLAY OF YOUR USER CONTENT; (B) YOUR USE OR INABILITY TO USE THE SERVICE; (C) THE SERVICE GENERALLY OR THE SOFTWARE OR SYSTEMS THAT MAKE THE SERVICE AVAILABLE; OR (D) ANY OTHER INTERACTIONS WITH THE COMPANY OR ANY OTHER USER OF THE SERVICE, WHETHER BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE) OR ANY OTHER LEGAL THEORY, AND WHETHER OR NOT THE COMPANY HAS BEEN INFORMED OF THE POSSIBILITY OF SUCH DAMAGE, AND EVEN IF A REMEDY SET FORTH HEREIN IS FOUND TO HAVE FAILED OF ITS ESSENTIAL PURPOSE. SOME JURISDICTIONS LIMIT OR DO NOT PERMIT DISCLAIMERS OF LIABILITY, SO THIS PROVISION MAY NOT APPLY TO YOU.\u003C\u002Fp\u003E\u003Cp\u003EIf you have a dispute with one or more users or a merchant of a product or service that you review using the Service, you release us (and our officers, directors, agents, subsidiaries, joint ventures and employees) from claims, demands and damages (actual and consequential) of every kind and nature, known and unknown, arising out of or in any way connected with such disputes.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EMODIFICATION OF TERMS OF USE\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EWe can amend these Terms of Use at any time and will update these Terms of Use in the event of any such amendments. It is your sole responsibility to check the Site from time to time to view any such changes in the Agreement. If you continue to use the Site, you signify your agreement to our revisions to these Terms of Use. However, we will notify you of material changes to the terms by posting a notice on our homepage and\u002For sending an email to the email address you provided to us upon registration. For this additional reason, you should keep your contact and profile information current. Any changes to these Terms or waiver of the Company's rights hereunder shall not be valid or effective except in a written agreement bearing the physical signature of an officer of the Company. No purported waiver or modification of this Agreement by the Company via telephonic or email communications shall be valid.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cstrong\u003EGENERAL TERMS\u003C\u002Fstrong\u003E\u003C\u002Fp\u003E\u003Cp\u003EIf any part of this Agreement is held invalid or unenforceable, that portion of the Agreement will be construed consistent with applicable law. The remaining portions will remain in full force and effect. Any failure on the part of the Company to enforce any provision of this Agreement will not be considered a waiver of our right to enforce such provision. Our rights under this Agreement will survive any termination of this Agreement.\u003C\u002Fp\u003E\u003Cp\u003EYou agree that any cause of action related to or arising out of your relationship with the Company must commence within ONE year after the cause of action accrues. Otherwise, such cause of action is permanently barred.\u003C\u002Fp\u003E\u003Cp\u003EThese Terms of Use and your use of the Site are governed by the laws of California, without regard to conflict of law provisions.\u003C\u002Fp\u003E\u003Cp\u003EThe Company may assign or delegate these Terms of Service and\u002For the Company's Privacy Policy, in whole or in part, to any person or entity at any time with or without your consent. You may not assign or delegate any rights or obligations under the Terms of Service or Privacy Policy without the Company's prior written consent, and any unauthorized assignment and delegation by you is void.\u003C\u002Fp\u003E\u003Cp\u003EYOU ACKNOWLEDGE THAT YOU HAVE READ THESE TERMS OF USE, UNDERSTAND THE TERMS OF USE, AND WILL BE BOUND BY THESE TERMS AND CONDITIONS. YOU FURTHER ACKNOWLEDGE THAT THESE TERMS OF USE TOGETHER WITH THE PRIVACY POLICY AT https:\u002F\u002Fblogweb.me REPRESENT THE COMPLETE AND EXCLUSIVE STATEMENT OF THE AGREEMENT BETWEEN US AND THAT IT SUPERSEDES ANY PROPOSAL OR PRIOR AGREEMENT ORAL OR WRITTEN, AND ANY OTHER COMMUNICATIONS BETWEEN US RELATING TO THE SUBJECT MATTER OF THIS AGREEMENT.\u003C\u002Fp\u003E\u003Cp class=\"ql-align-right\"\u003E\u003Cbr\u003E\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u003E\u003C\u002Fp\u003E",Domain:aL,Plan:f,PlanExpired:"2100-01-01T00:00:00Z",Port:aM,Active:f,Rating:b,CountVoted:b,Trusted:c,Headless:c,CreatedIp:a,Subject:{Id:45,Name:a,Slug:a,Icon:a,MetaTitle:a,MetaDescription:a,Locale:g,Site:g,Created:e,Updated:e},Settings:{Id:h,Title:k,Logo:aN,Locale:aO,RobotsTxt:aP,FooterCode:aQ,Description:A,Activation:aR,ScrollablePagination:b,AddWatermark:b,AddWatermarkPosition:b,LayoutSettings:{Id:h,Name:a,IsDark:b,BackgroundFull:b,PageTransition:a,CodeTheme:a,Background:a,BackgroundColor:a,TextColor:a,TextFontFamily:a,PrimaryColor:a,SecondaryColor:a,AccentColor:a,InfoColor:a,SuccessColor:a,ErrorColor:a,WarningColor:a,Created:e,Updated:e},ForumSettings:g,BlogSettings:{Id:h,Toc:b,TocCollapse:b,AddSource:b,AddSourceText:a,IsRelatedPost:b,RelatedPost:b,Created:e,Updated:e},MailSettings:{Id:46,Host:a,Email:a,FromName:a,User:a,Password:a,Encryption:a,Port:b,Created:e,Updated:e},SocialSettings:g,SecuritySettings:{Id:h,ThreadLimit:b,ThreadLimitType:b,RegisterLimit:b,RegisterLimitType:b,PostLimit:b,CommentLimitType:b,CommentLimit:b,PostLimitType:b,MessagesBeforeAutoApproved:b,MarkUncertainMessages:c,SecurityQuestions:g,Created:e,Updated:e},Created:aS,Updated:aT},User:{Id:614,Username:a,FirstName:a,Avatar:a,LastName:a,Company:a,Email:a,ConfirmationToken:a,CreatedIp:a,RestoreToken:a,PasswordRequestedAt:e,Password:a,Active:b,Trusted:c,Banned:b,Notifications:b,Role:g,Site:g,LastLogin:e,Created:e,Updated:e},Category:g,Created:aS,Updated:aT},title:X,summary:"In Delphi, inheritance allows you to create new classes based on existing ones, thereby reusing code and adding new functionality. By using multiple inheritance, you can inherit properties, methods, and events from multiple forms.To inherit multiple forms in Delphi, you need to follow these steps:Create a new form (let's call it ChildForm) that you want to inherit from multiple forms.\nAdd the ParentForm1 unit and ParentForm2 unit to the uses clause of ChildForm.",content:"\u003Cp\u003E\u003Ca href=\"https:\u002F\u002Fstlplaces.com\u002Fblog\u002Fhow-to-use-an-image-as-a-button-in-delphi\" class=\"auto-link\" target=\"_blank\"\u003EIn Delphi\u003C\u002Fa\u003E, inheritance allows you to create new classes based on existing ones, thereby reusing code and adding new functionality. By using multiple inheritance, you can inherit properties, methods, and events from multiple forms.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ETo inherit multiple forms in Delphi, you need to follow these steps:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003ECreate a new form (let's call it ChildForm) that you want to inherit from multiple forms.\n\u003C\u002Fli\u003E\u003Cli\u003EAdd the \u003Ca href=\"https:\u002F\u002Fdevhubby.com\u002Fthread\u002Fhow-to-get-parent-id-when-creating-a-child-in-ember\" class=\"auto-link\" target=\"_blank\"\u003EParentForm\u003C\u002Fa\u003E1 unit and ParentForm2 unit to the uses clause of ChildForm. This ensures that the child form can access the code of both parent forms.\n\u003C\u002Fli\u003E\u003Cli\u003EIn the ChildForm class declaration, inherit from ParentForm1 and ParentForm2 using the inherited keyword. For example:\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-fvsenkz\"\u003Etype\n TChildForm = class(ParentForm1, ParentForm2)\n \u002F\u002F ...\n end;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003ENow, ChildForm will have access to the properties, methods, and events of both ParentForm1 and ParentForm2. You can override or extend these \u003Ca href=\"https:\u002F\u002Fubuntuask.com\u002Fblog\u002Fhow-to-hide-inherited-dialog-properties-on-aem\" class=\"auto-link\" target=\"_blank\"\u003Einherited elements accordingly\u003C\u002Fa\u003E.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ENote that when you inherit from multiple forms, you must be careful with naming conflicts. If both \u003Ccode\u003EParentForm1\u003C\u002Fcode\u003E and \u003Ccode\u003EParentForm2\u003C\u002Fcode\u003E have properties or methods with the same name, you will need to resolve the conflict in \u003Ccode\u003EChildForm\u003C\u002Fcode\u003E by specifying which parent class should be used. You can use the \u003Ccode\u003Einherited\u003C\u002Fcode\u003E keyword to call a specific parent class's implementation.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy using multiple inheritance in Delphi, you can combine the features of multiple forms into a \u003Ca href=\"https:\u002F\u002Ftechtalk.abatek.com\u002Fblog\u002Fhow-to-update-two-tables-using-single-procedure-in\" class=\"auto-link\" target=\"_blank\"\u003Esingle child form\u003C\u002Fa\u003E, allowing for greater code reuse and functionality.\u003C\u002Fp\u003E\n \u003Cdiv class=\"rating\"\u003E\n \u003Ch2\u003EBest Borland Delphi Books to Read in 2025\u003C\u002Fh2\u003E\n \u003Cdiv class=\"row mt-2\"\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 1\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51vn5i05xel-sl160.jpg\" alt=\"Delphi Cookbook: Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development, 3rd Edition\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 5 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 5;\" aria-label=\"Rating is 5 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi Cookbook: Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development, 3rd Edition\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FWEGcjOSIg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 2\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41rmgsaqsul-sl160.jpg\" alt=\"Delphi Programming for Dummies\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.9 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.9;\" aria-label=\"Rating is 4.9 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi Programming for Dummies\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FXEM5jdSSg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 3\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51jul2tze4l-sl160.jpg\" alt=\"The Little Book Of Delphi Programming: Learn To Program with Object Pascal (Little Programming Books)\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.8 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.8;\" aria-label=\"Rating is 4.8 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EThe Little Book Of Delphi Programming: Learn To Program with Object Pascal (Little Programming Books)\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FpEM5CdSSR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 4\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41jath1c-jl-sl160.jpg\" alt=\"Mastering Borland Delphi: A Comprehensive Guide\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.7 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.7;\" aria-label=\"Rating is 4.7 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EMastering Borland Delphi: A Comprehensive Guide\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FDEGcCdISR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 5\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41u9f5bdowl-sl160.jpg\" alt=\"Borland Delphi Second Edition\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.6 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.6;\" aria-label=\"Rating is 4.6 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EBorland Delphi Second Edition\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FnsGcjOIIg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 6\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51mnoe9cvil-sl160.jpg\" alt=\"Delphi GUI Programming with FireMonkey: Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.5 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.5;\" aria-label=\"Rating is 4.5 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi GUI Programming with FireMonkey: Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002F_EM5jdSSR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EHow to handle resource management when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, when inheriting multiple forms, it is important to handle resource management properly to avoid memory leaks and ensure efficient code execution. Here are some steps to follow:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EProperly release resources in the destructor\u003C\u002Fstrong\u003E: Override the destructor of the inherited form class and make sure to call the Free method or any other appropriate resource releasing methods for all the components or objects created in the form that need to be freed.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-zp9mpr7\"\u003Edestructor TMyForm.Destroy;\nbegin\n \u002F\u002F Release resource for components or objects\n Component1.Free; \n Component2.Free; \n \u002F\u002F ...\n\n \u002F\u002F Call the inherited destructor\n inherited;\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EManage the ownership of components\u003C\u002Fstrong\u003E: When creating new components on inherited forms, be cautious about the ownership. Make sure to properly manage the ownership by setting the Owner property to the form or another appropriate component that will handle the lifetime of the created objects.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-0kyk2ox\"\u003Evar\n MyComponent: TComponent;\nbegin\n MyComponent := TSomeComponent.Create(Self); \u002F\u002F Self or another object as the owner\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EHandle event handlers\u003C\u002Fstrong\u003E: If any event handlers are assigned to components on inherited forms, properly unassign them or set them to nil in the destructor to avoid memory leaks.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-s5txvz5\"\u003Edestructor TMyForm.Destroy;\nbegin\n \u002F\u002F Unassign or set event handlers to nil\n Component1.OnEvent := nil;\n Component2.OnEvent := nil;\n \u002F\u002F ...\n\n inherited;\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EAvoid duplicating component creation\u003C\u002Fstrong\u003E: If components are already created in the inherited form's constructor, avoid duplicating the creation process in the descendant form's constructor. Instead, directly access the components from the inherited form.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-uhn5rec\"\u003Econstructor TMyForm.Create(AOwner: TComponent);\nbegin\n inherited;\n \n \u002F\u002F Access and modify components from the inherited form\n InheritedComponent1.Property := Value;\n InheritedComponent2.Method;\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy following these steps, you can effectively handle resource management when inheriting multiple forms in Delphi and ensure proper memory handling and efficient code execution.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the process of inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, you cannot directly inherit from multiple forms like you can in some other programming languages. However, there are a couple of ways to achieve similar functionality:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EUsing Frames\u003C\u002Fstrong\u003E: Delphi provides a concept called "Frames" which can be used to create reusable visual components. You can design a frame similar to a form, add controls to it, and define event handlers. Then, you can add the frame to multiple forms in your application. This allows you to share functionality across multiple forms without the need for multiple inheritance. To use frames:\nCreate a new frame in your project by right-clicking on the project in the Project Manager and selecting "New" -> "Frame".\nDesign the frame by adding controls and event handlers.\nIn each form where you want to use this frame, add a frame component to the form and set its properties to the desired frame.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EUsing Interfaces\u003C\u002Fstrong\u003E: Delphi supports interface-based inheritance, where you define an interface that declares the common functionality you want to inherit, and then \u003Ca class=\"auto-link\" href=\"https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-implement-error-handling-with-the-operator\"\u003Eimplement\u003C\u002Fa\u003E that interface in multiple forms. To use interfaces:\nDefine an interface containing the methods, properties, and events that you want to share among multiple forms.\nImplement this interface in each form where you want to provide the shared functionality.\nUse the implemented interface methods, properties, and events in your forms as needed.\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy using frames or interfaces, you can achieve inheritance-like behavior across multiple forms in Delphi even though multiple form inheritance is not directly supported.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the benefit of inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EInheriting multiple forms in Delphi allows developers to extend the functionality of existing forms without modifying the original form code. Some of the benefits of inheriting multiple forms in Delphi include:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003ECode Reusability\u003C\u002Fstrong\u003E: By inheriting multiple forms, developers can reuse the code and functionality of multiple forms in a single form. This promotes code reusability and reduces the amount of duplicated code.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EModular Design\u003C\u002Fstrong\u003E: Inheriting multiple forms helps in creating a modular design where each form represents a specific functionality or feature. This makes the code more organized and easier to maintain.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EExtensibility\u003C\u002Fstrong\u003E: It allows developers to add new features or modify existing features by extending the inherited forms. This makes it easier to implement changes without disturbing the original form code.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EEncapsulation\u003C\u002Fstrong\u003E: Inheriting multiple forms helps in encapsulating related functionality within a single form. This helps in improving the code's readability and reducing the complexity of accessing different functionalities spread across multiple forms.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003ETestability\u003C\u002Fstrong\u003E: Inheriting multiple forms promotes testability as it separates the functionality into different forms. This allows developers to write unit tests for each form individually, making it easier to test and debug.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003ECollaboration\u003C\u002Fstrong\u003E: Multiple developers can work on different forms simultaneously without affecting each other's work. Each developer can focus on a specific form and its functionality, making collaboration easier and more efficient.\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EOverall, inheriting multiple forms in Delphi provides a flexible and modular approach to building applications, allowing for code reuse, extensibility, and easier maintenance.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the role of protected visibility when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, the protected visibility is used to define members (fields, methods, and properties) that are \u003Ca class=\"auto-link\" href=\"https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-use-delphis-tdataset-components-for-database\"\u003Eaccess\u003C\u002Fa\u003Eible within the current class and its descendants. When inheriting multiple forms in Delphi, the protected visibility plays a crucial role in allowing the descendant forms (inherited forms) to access and manipulate the protected members of the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy utilizing the protected visibility, you can share common functionality or data among multiple forms without exposing them to external classes or units. This enables you to create a hierarchical structure that promotes code reuse and encapsulation.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example, suppose you have a base form (ParentForm) with some protected members (e.g., protected fields or protected methods). You can then derive multiple forms (ChildForm1, ChildForm2, etc.) from the ParentForm, allowing the child forms to access and utilize the protected members defined in the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy doing so, the child forms can extend or override the behavior of the parent form while still having access to its protected members. This improves code organization, maintainability, and flexibility.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ETo summarize, the role of protected visibility when inheriting multiple forms in Delphi is to provide access to common functionality or data within the inheritance hierarchy, enabling child forms to utilize and modify the protected members of the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EHow to handle event handlers when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EWhen inheriting multiple forms in Delphi, you might need to handle event handlers in a specific way. Here's one approach you can follow:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EDefine a base form:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EStart by creating a base form that will serve as the ancestor for all the other forms you want to inherit.\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EDefine custom events:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EDefine custom events in the base form using the \u003Ccode\u003ETNotifyEvent\u003C\u002Fcode\u003E type or create your own event types using the \u003Ccode\u003Etype\u003C\u002Fcode\u003E keyword. These events will act as placeholders for the original event handlers you intend to override in the child forms.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-uj9ulqc\"\u003Etype\n TButtonClickEvent = procedure(Sender: TObject; Button: TButton) of object;\n\n TBaseForm = class(TForm)\n Button1: TButton;\n Button2: TButton;\n \u002F\u002F...\n procedure Button1Click(Sender: TObject);\n procedure Button2Click(Sender: TObject);\n private\n FOnButtonClick: TButtonClickEvent;\n \u002F\u002F...\n public\n property OnButtonClick: TButtonClickEvent read FOnButtonClick write FOnButtonClick;\n \u002F\u002F...\n end;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EImplement original event handlers:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EImplement the original event handlers in the base form, and call the corresponding custom event whenever the event handlers are triggered.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-k5h15dc\"\u003Eprocedure TBaseForm.Button1Click(Sender: TObject);\nbegin\n if Assigned(FOnButtonClick) then\n FOnButtonClick(Sender, Button1);\nend;\n\nprocedure TBaseForm.Button2Click(Sender: TObject);\nbegin\n if Assigned(FOnButtonClick) then\n FOnButtonClick(Sender, Button2);\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EInherit child forms:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EInherit the child forms from the base form:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-c1kc9vh\"\u003E TChildForm1 = class(TBaseForm)\n \u002F\u002F... override or implement additional functionality\n end;\n \n TChildForm2 = class(TBaseForm)\n \u002F\u002F... override or implement additional functionality\n end;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EOverride event handlers in child forms:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn the child forms, override the custom event handlers that were declared in the base form. Here, you can write your own event handling code specific to each form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-a2zbi6c\"\u003Eprocedure TChildForm1.DoButtonClick(Sender: TObject; Button: TButton);\nbegin\n \u002F\u002F ... your custom event handling code for ChildForm1\nend;\n\nprocedure TChildForm2.DoButtonClick(Sender: TObject; Button: TButton);\nbegin\n \u002F\u002F ... your custom event handling code for ChildForm2\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EAssign event handler in the Main unit:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn the main unit where you create instances of the child forms, assign the event handlers to the custom events defined in the base form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-eaqtlpr\"\u003Eprocedure TMainForm.FormCreate(Sender: TObject);\nbegin\n ChildForm1 := TChildForm1.Create(Self);\n ChildForm1.OnButtonClick := ChildForm1.DoButtonClick;\n\n ChildForm2 := TChildForm2.Create(Self);\n ChildForm2.OnButtonClick := ChildForm2.DoButtonClick;\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy following these steps, you can handle event handlers when inheriting multiple forms in Delphi.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the syntax for inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003ETo inherit multiple forms in Delphi, you can use the \u003Ccode\u003ETForm\u003C\u002Fcode\u003E class and the \u003Ccode\u003Einherited\u003C\u002Fcode\u003E keyword in your child form's declaration. Here's the syntax:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-3kcfmhd\"\u003Etype\n TChildForm = class(TForm)\n \u002F\u002F Child form properties, events, etc.\n private\n \u002F\u002F Private declarations\n protected\n \u002F\u002F Protected declarations\n public\n \u002F\u002F Public declarations\n constructor Create(AOwner: TComponent); override;\n end;\n\nimplementation\n\n{ TChildForm }\n\nconstructor TChildForm.Create(AOwner: TComponent);\nbegin\n inherited Create(AOwner);\n \n \u002F\u002F Additional initialization code\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn this example, \u003Ccode\u003ETChildForm\u003C\u002Fcode\u003E inherits from \u003Ccode\u003ETForm\u003C\u002Fcode\u003E and overrides its \u003Ccode\u003ECreate\u003C\u002Fcode\u003E constructor. By calling \u003Ccode\u003Einherited Create(AOwner)\u003C\u002Fcode\u003E, you invoke the parent \u003Ccode\u003ETForm\u003C\u002Fcode\u003E class's constructor and include any additional initialization code specific to your child form.\u003C\u002Fp\u003E",content_ad:"\u003Cp\u003E\u003Ca href=\"https:\u002F\u002Fstlplaces.com\u002Fblog\u002Fhow-to-use-an-image-as-a-button-in-delphi\" class=\"auto-link\" target=\"_blank\"\u003EIn Delphi\u003C\u002Fa\u003E, inheritance allows you to create new classes based on existing ones, thereby reusing code and adding new functionality. By using multiple inheritance, you can inherit properties, methods, and events from multiple forms.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ETo inherit multiple forms in Delphi, you need to follow these steps:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003ECreate a new form (let's call it ChildForm) that you want to inherit from multiple forms.\n\u003C\u002Fli\u003E\u003Cli\u003EAdd the \u003Ca href=\"https:\u002F\u002Fdevhubby.com\u002Fthread\u002Fhow-to-get-parent-id-when-creating-a-child-in-ember\" class=\"auto-link\" target=\"_blank\"\u003EParentForm\u003C\u002Fa\u003E1 unit and ParentForm2 unit to the uses clause of ChildForm. This ensures that the child form can access the code of both parent forms.\n\u003C\u002Fli\u003E\u003Cli\u003EIn the ChildForm class declaration, inherit from ParentForm1 and ParentForm2 using the inherited keyword. For example:\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-fvsenkz\"\u003Etype\n TChildForm = class(ParentForm1, ParentForm2)\n \u002F\u002F ...\n end;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003ENow, ChildForm will have access to the properties, methods, and events of both ParentForm1 and ParentForm2. You can override or extend these \u003Ca href=\"https:\u002F\u002Fubuntuask.com\u002Fblog\u002Fhow-to-hide-inherited-dialog-properties-on-aem\" class=\"auto-link\" target=\"_blank\"\u003Einherited elements accordingly\u003C\u002Fa\u003E.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ENote that when you inherit from multiple forms, you must be careful with naming conflicts. If both \u003Ccode\u003EParentForm1\u003C\u002Fcode\u003E and \u003Ccode\u003EParentForm2\u003C\u002Fcode\u003E have properties or methods with the same name, you will need to resolve the conflict in \u003Ccode\u003EChildForm\u003C\u002Fcode\u003E by specifying which parent class should be used. You can use the \u003Ccode\u003Einherited\u003C\u002Fcode\u003E keyword to call a specific parent class's implementation.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy using multiple inheritance in Delphi, you can combine the features of multiple forms into a \u003Ca href=\"https:\u002F\u002Ftechtalk.abatek.com\u002Fblog\u002Fhow-to-update-two-tables-using-single-procedure-in\" class=\"auto-link\" target=\"_blank\"\u003Esingle child form\u003C\u002Fa\u003E, allowing for greater code reuse and functionality.\u003C\u002Fp\u003E\n \u003Cdiv class=\"rating\"\u003E\n \u003Ch2\u003EBest Borland Delphi Books to Read in 2025\u003C\u002Fh2\u003E\n \u003Cdiv class=\"row mt-2\"\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 1\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51vn5i05xel-sl160.jpg\" alt=\"Delphi Cookbook: Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development, 3rd Edition\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 5 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 5;\" aria-label=\"Rating is 5 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi Cookbook: Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development, 3rd Edition\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FWEGcjOSIg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 2\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41rmgsaqsul-sl160.jpg\" alt=\"Delphi Programming for Dummies\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.9 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.9;\" aria-label=\"Rating is 4.9 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi Programming for Dummies\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FXEM5jdSSg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 3\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51jul2tze4l-sl160.jpg\" alt=\"The Little Book Of Delphi Programming: Learn To Program with Object Pascal (Little Programming Books)\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.8 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.8;\" aria-label=\"Rating is 4.8 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EThe Little Book Of Delphi Programming: Learn To Program with Object Pascal (Little Programming Books)\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FpEM5CdSSR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 4\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41jath1c-jl-sl160.jpg\" alt=\"Mastering Borland Delphi: A Comprehensive Guide\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.7 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.7;\" aria-label=\"Rating is 4.7 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EMastering Borland Delphi: A Comprehensive Guide\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FDEGcCdISR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 5\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41u9f5bdowl-sl160.jpg\" alt=\"Borland Delphi Second Edition\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.6 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.6;\" aria-label=\"Rating is 4.6 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EBorland Delphi Second Edition\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FnsGcjOIIg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 6\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51mnoe9cvil-sl160.jpg\" alt=\"Delphi GUI Programming with FireMonkey: Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.5 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.5;\" aria-label=\"Rating is 4.5 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi GUI Programming with FireMonkey: Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002F_EM5jdSSR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Ch2\u003EHow to handle resource management when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, when inheriting multiple forms, it is important to handle resource management properly to avoid memory leaks and ensure efficient code execution. Here are some steps to follow:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EProperly release resources in the destructor\u003C\u002Fstrong\u003E: Override the destructor of the inherited form class and make sure to call the Free method or any other appropriate resource releasing methods for all the components or objects created in the form that need to be freed.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-zp9mpr7\"\u003Edestructor TMyForm.Destroy;\nbegin\n \u002F\u002F Release resource for components or objects\n Component1.Free; \n Component2.Free; \n \u002F\u002F ...\n\n \u002F\u002F Call the inherited destructor\n inherited;\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EManage the ownership of components\u003C\u002Fstrong\u003E: When creating new components on inherited forms, be cautious about the ownership. Make sure to properly manage the ownership by setting the Owner property to the form or another appropriate component that will handle the lifetime of the created objects.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-0kyk2ox\"\u003Evar\n MyComponent: TComponent;\nbegin\n MyComponent := TSomeComponent.Create(Self); \u002F\u002F Self or another object as the owner\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EHandle event handlers\u003C\u002Fstrong\u003E: If any event handlers are assigned to components on inherited forms, properly unassign them or set them to nil in the destructor to avoid memory leaks.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-s5txvz5\"\u003Edestructor TMyForm.Destroy;\nbegin\n \u002F\u002F Unassign or set event handlers to nil\n Component1.OnEvent := nil;\n Component2.OnEvent := nil;\n \u002F\u002F ...\n\n inherited;\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EAvoid duplicating component creation\u003C\u002Fstrong\u003E: If components are already created in the inherited form's constructor, avoid duplicating the creation process in the descendant form's constructor. Instead, directly access the components from the inherited form.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-uhn5rec\"\u003Econstructor TMyForm.Create(AOwner: TComponent);\nbegin\n inherited;\n \n \u002F\u002F Access and modify components from the inherited form\n InheritedComponent1.Property := Value;\n InheritedComponent2.Method;\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy following these steps, you can effectively handle resource management when inheriting multiple forms in Delphi and ensure proper memory handling and efficient code execution.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the process of inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, you cannot directly inherit from multiple forms like you can in some other programming languages. However, there are a couple of ways to achieve similar functionality:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EUsing Frames\u003C\u002Fstrong\u003E: Delphi provides a concept called "Frames" which can be used to create reusable visual components. You can design a frame similar to a form, add controls to it, and define event handlers. Then, you can add the frame to multiple forms in your application. This allows you to share functionality across multiple forms without the need for multiple inheritance. To use frames:\nCreate a new frame in your project by right-clicking on the project in the Project Manager and selecting "New" -> "Frame".\nDesign the frame by adding controls and event handlers.\nIn each form where you want to use this frame, add a frame component to the form and set its properties to the desired frame.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EUsing Interfaces\u003C\u002Fstrong\u003E: Delphi supports interface-based inheritance, where you define an interface that declares the common functionality you want to inherit, and then \u003Ca class=\"auto-link\" href=\"https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-implement-error-handling-with-the-operator\"\u003Eimplement\u003C\u002Fa\u003E that interface in multiple forms. To use interfaces:\nDefine an interface containing the methods, properties, and events that you want to share among multiple forms.\nImplement this interface in each form where you want to provide the shared functionality.\nUse the implemented interface methods, properties, and events in your forms as needed.\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cp\u003EBy using frames or interfaces, you can achieve inheritance-like behavior across multiple forms in Delphi even though multiple form inheritance is not directly supported.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the benefit of inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EInheriting multiple forms in Delphi allows developers to extend the functionality of existing forms without modifying the original form code. Some of the benefits of inheriting multiple forms in Delphi include:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003ECode Reusability\u003C\u002Fstrong\u003E: By inheriting multiple forms, developers can reuse the code and functionality of multiple forms in a single form. This promotes code reusability and reduces the amount of duplicated code.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EModular Design\u003C\u002Fstrong\u003E: Inheriting multiple forms helps in creating a modular design where each form represents a specific functionality or feature. This makes the code more organized and easier to maintain.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EExtensibility\u003C\u002Fstrong\u003E: It allows developers to add new features or modify existing features by extending the inherited forms. This makes it easier to implement changes without disturbing the original form code.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EEncapsulation\u003C\u002Fstrong\u003E: Inheriting multiple forms helps in encapsulating related functionality within a single form. This helps in improving the code's readability and reducing the complexity of accessing different functionalities spread across multiple forms.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003ETestability\u003C\u002Fstrong\u003E: Inheriting multiple forms promotes testability as it separates the functionality into different forms. This allows developers to write unit tests for each form individually, making it easier to test and debug.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003ECollaboration\u003C\u002Fstrong\u003E: Multiple developers can work on different forms simultaneously without affecting each other's work. Each developer can focus on a specific form and its functionality, making collaboration easier and more efficient.\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EOverall, inheriting multiple forms in Delphi provides a flexible and modular approach to building applications, allowing for code reuse, extensibility, and easier maintenance.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the role of protected visibility when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, the protected visibility is used to define members (fields, methods, and properties) that are \u003Ca class=\"auto-link\" href=\"https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-use-delphis-tdataset-components-for-database\"\u003Eaccess\u003C\u002Fa\u003Eible within the current class and its descendants. When inheriting multiple forms in Delphi, the protected visibility plays a crucial role in allowing the descendant forms (inherited forms) to access and manipulate the protected members of the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy utilizing the protected visibility, you can share common functionality or data among multiple forms without exposing them to external classes or units. This enables you to create a hierarchical structure that promotes code reuse and encapsulation.\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example, suppose you have a base form (ParentForm) with some protected members (e.g., protected fields or protected methods). You can then derive multiple forms (ChildForm1, ChildForm2, etc.) from the ParentForm, allowing the child forms to access and utilize the protected members defined in the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy doing so, the child forms can extend or override the behavior of the parent form while still having access to its protected members. This improves code organization, maintainability, and flexibility.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ETo summarize, the role of protected visibility when inheriting multiple forms in Delphi is to provide access to common functionality or data within the inheritance hierarchy, enabling child forms to utilize and modify the protected members of the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EHow to handle event handlers when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EWhen inheriting multiple forms in Delphi, you might need to handle event handlers in a specific way. Here's one approach you can follow:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EDefine a base form:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cp\u003EStart by creating a base form that will serve as the ancestor for all the other forms you want to inherit.\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EDefine custom events:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EDefine custom events in the base form using the \u003Ccode\u003ETNotifyEvent\u003C\u002Fcode\u003E type or create your own event types using the \u003Ccode\u003Etype\u003C\u002Fcode\u003E keyword. These events will act as placeholders for the original event handlers you intend to override in the child forms.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-uj9ulqc\"\u003Etype\n TButtonClickEvent = procedure(Sender: TObject; Button: TButton) of object;\n\n TBaseForm = class(TForm)\n Button1: TButton;\n Button2: TButton;\n \u002F\u002F...\n procedure Button1Click(Sender: TObject);\n procedure Button2Click(Sender: TObject);\n private\n FOnButtonClick: TButtonClickEvent;\n \u002F\u002F...\n public\n property OnButtonClick: TButtonClickEvent read FOnButtonClick write FOnButtonClick;\n \u002F\u002F...\n end;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EImplement original event handlers:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EImplement the original event handlers in the base form, and call the corresponding custom event whenever the event handlers are triggered.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-k5h15dc\"\u003Eprocedure TBaseForm.Button1Click(Sender: TObject);\nbegin\n if Assigned(FOnButtonClick) then\n FOnButtonClick(Sender, Button1);\nend;\n\nprocedure TBaseForm.Button2Click(Sender: TObject);\nbegin\n if Assigned(FOnButtonClick) then\n FOnButtonClick(Sender, Button2);\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EInherit child forms:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EInherit the child forms from the base form:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-c1kc9vh\"\u003E TChildForm1 = class(TBaseForm)\n \u002F\u002F... override or implement additional functionality\n end;\n \n TChildForm2 = class(TBaseForm)\n \u002F\u002F... override or implement additional functionality\n end;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EOverride event handlers in child forms:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn the child forms, override the custom event handlers that were declared in the base form. Here, you can write your own event handling code specific to each form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-a2zbi6c\"\u003Eprocedure TChildForm1.DoButtonClick(Sender: TObject; Button: TButton);\nbegin\n \u002F\u002F ... your custom event handling code for ChildForm1\nend;\n\nprocedure TChildForm2.DoButtonClick(Sender: TObject; Button: TButton);\nbegin\n \u002F\u002F ... your custom event handling code for ChildForm2\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EAssign event handler in the Main unit:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn the main unit where you create instances of the child forms, assign the event handlers to the custom events defined in the base form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-eaqtlpr\"\u003Eprocedure TMainForm.FormCreate(Sender: TObject);\nbegin\n ChildForm1 := TChildForm1.Create(Self);\n ChildForm1.OnButtonClick := ChildForm1.DoButtonClick;\n\n ChildForm2 := TChildForm2.Create(Self);\n ChildForm2.OnButtonClick := ChildForm2.DoButtonClick;\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy following these steps, you can handle event handlers when inheriting multiple forms in Delphi.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the syntax for inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003ETo inherit multiple forms in Delphi, you can use the \u003Ccode\u003ETForm\u003C\u002Fcode\u003E class and the \u003Ccode\u003Einherited\u003C\u002Fcode\u003E keyword in your child form's declaration. Here's the syntax:\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cpre class=\"code-block ql-syntax\" id=\"code-3kcfmhd\"\u003Etype\n TChildForm = class(TForm)\n \u002F\u002F Child form properties, events, etc.\n private\n \u002F\u002F Private declarations\n protected\n \u002F\u002F Protected declarations\n public\n \u002F\u002F Public declarations\n constructor Create(AOwner: TComponent); override;\n end;\n\nimplementation\n\n{ TChildForm }\n\nconstructor TChildForm.Create(AOwner: TComponent);\nbegin\n inherited Create(AOwner);\n \n \u002F\u002F Additional initialization code\nend;\n\u003C\u002Fpre\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn this example, \u003Ccode\u003ETChildForm\u003C\u002Fcode\u003E inherits from \u003Ccode\u003ETForm\u003C\u002Fcode\u003E and overrides its \u003Ccode\u003ECreate\u003C\u002Fcode\u003E constructor. By calling \u003Ccode\u003Einherited Create(AOwner)\u003C\u002Fcode\u003E, you invoke the parent \u003Ccode\u003ETForm\u003C\u002Fcode\u003E class's constructor and include any additional initialization code specific to your child form.\u003C\u002Fp\u003E",formatted_content:"\u003Cp\u003E\u003Ca href=\"https:\u002F\u002Fstlplaces.com\u002Fblog\u002Fhow-to-use-an-image-as-a-button-in-delphi\" target=\"_blank\"\u003EIn Delphi\u003C\u002Fa\u003E, inheritance allows you to create new classes based on existing ones, thereby reusing code and adding new functionality. By using multiple inheritance, you can inherit properties, methods, and events from multiple forms.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ETo inherit multiple forms in Delphi, you need to follow these steps:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003ECreate a new form (let's call it ChildForm) that you want to inherit from multiple forms.\n\u003C\u002Fli\u003E\u003Cli\u003EAdd the \u003Ca href=\"https:\u002F\u002Fdevhubby.com\u002Fthread\u002Fhow-to-get-parent-id-when-creating-a-child-in-ember\" target=\"_blank\"\u003EParentForm\u003C\u002Fa\u003E1 unit and ParentForm2 unit to the uses clause of ChildForm. This ensures that the child form can access the code of both parent forms.\n\u003C\u002Fli\u003E\u003Cli\u003EIn the ChildForm class declaration, inherit from ParentForm1 and ParentForm2 using the inherited keyword. For example:\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Etype\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TChildForm = class(ParentForm1, ParentForm2)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003ENow, ChildForm will have access to the properties, methods, and events of both ParentForm1 and ParentForm2. You can override or extend these \u003Ca href=\"https:\u002F\u002Fubuntuask.com\u002Fblog\u002Fhow-to-hide-inherited-dialog-properties-on-aem\" target=\"_blank\"\u003Einherited elements accordingly\u003C\u002Fa\u003E.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ENote that when you inherit from multiple forms, you must be careful with naming conflicts. If both \u003Ccode\u003EParentForm1\u003C\u002Fcode\u003E and \u003Ccode\u003EParentForm2\u003C\u002Fcode\u003E have properties or methods with the same name, you will need to resolve the conflict in \u003Ccode\u003EChildForm\u003C\u002Fcode\u003E by specifying which parent class should be used. You can use the \u003Ccode\u003Einherited\u003C\u002Fcode\u003E keyword to call a specific parent class's implementation.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy using multiple inheritance in Delphi, you can combine the features of multiple forms into a \u003Ca href=\"https:\u002F\u002Ftechtalk.abatek.com\u002Fblog\u002Fhow-to-update-two-tables-using-single-procedure-in\" target=\"_blank\"\u003Esingle child form\u003C\u002Fa\u003E, allowing for greater code reuse and functionality.\u003C\u002Fp\u003E\n \u003Cdiv class=\"rating\"\u003E\n \u003Ch2\u003EBest Borland Delphi Books to Read in 2025\u003C\u002Fh2\u003E\n \u003Cdiv class=\"row mt-2\"\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 1\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51vn5i05xel-sl160.jpg\" alt=\"Delphi Cookbook: Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development, 3rd Edition\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 5 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 5;\" aria-label=\"Rating is 5 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi Cookbook: Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development, 3rd Edition\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FWEGcjOSIg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 2\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41rmgsaqsul-sl160.jpg\" alt=\"Delphi Programming for Dummies\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.9 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.9;\" aria-label=\"Rating is 4.9 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi Programming for Dummies\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FXEM5jdSSg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 3\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51jul2tze4l-sl160.jpg\" alt=\"The Little Book Of Delphi Programming: Learn To Program with Object Pascal (Little Programming Books)\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.8 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.8;\" aria-label=\"Rating is 4.8 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EThe Little Book Of Delphi Programming: Learn To Program with Object Pascal (Little Programming Books)\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FpEM5CdSSR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 4\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41jath1c-jl-sl160.jpg\" alt=\"Mastering Borland Delphi: A Comprehensive Guide\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.7 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.7;\" aria-label=\"Rating is 4.7 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EMastering Borland Delphi: A Comprehensive Guide\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FDEGcCdISR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 5\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41u9f5bdowl-sl160.jpg\" alt=\"Borland Delphi Second Edition\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.6 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.6;\" aria-label=\"Rating is 4.6 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EBorland Delphi Second Edition\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FnsGcjOIIg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 6\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51mnoe9cvil-sl160.jpg\" alt=\"Delphi GUI Programming with FireMonkey: Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.5 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.5;\" aria-label=\"Rating is 4.5 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi GUI Programming with FireMonkey: Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002F_EM5jdSSR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EHow to handle resource management when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, when inheriting multiple forms, it is important to handle resource management properly to avoid memory leaks and ensure efficient code execution. Here are some steps to follow:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EProperly release resources in the destructor\u003C\u002Fstrong\u003E: Override the destructor of the inherited form class and make sure to call the Free method or any other appropriate resource releasing methods for all the components or objects created in the form that need to be freed.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 9\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E10\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Edestructor TMyForm.Destroy;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Release resource for components or objects\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Component1.Free; \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Component2.Free; \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Call the inherited destructor\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E inherited;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EManage the ownership of components\u003C\u002Fstrong\u003E: When creating new components on inherited forms, be cautious about the ownership. Make sure to properly manage the ownership by setting the Owner property to the form or another appropriate component that will handle the lifetime of the created objects.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Evar\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E MyComponent: TComponent;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E MyComponent := TSomeComponent.Create(Self); \u002F\u002F Self or another object as the owner\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EHandle event handlers\u003C\u002Fstrong\u003E: If any event handlers are assigned to components on inherited forms, properly unassign them or set them to nil in the destructor to avoid memory leaks.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E9\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Edestructor TMyForm.Destroy;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Unassign or set event handlers to nil\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Component1.OnEvent := nil;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Component2.OnEvent := nil;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E inherited;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EAvoid duplicating component creation\u003C\u002Fstrong\u003E: If components are already created in the inherited form's constructor, avoid duplicating the creation process in the descendant form's constructor. Instead, directly access the components from the inherited form.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E8\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Econstructor TMyForm.Create(AOwner: TComponent);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E inherited;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Access and modify components from the inherited form\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E InheritedComponent1.Property := Value;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E InheritedComponent2.Method;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy following these steps, you can effectively handle resource management when inheriting multiple forms in Delphi and ensure proper memory handling and efficient code execution.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the process of inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, you cannot directly inherit from multiple forms like you can in some other programming languages. However, there are a couple of ways to achieve similar functionality:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EUsing Frames\u003C\u002Fstrong\u003E: Delphi provides a concept called "Frames" which can be used to create reusable visual components. You can design a frame similar to a form, add controls to it, and define event handlers. Then, you can add the frame to multiple forms in your application. This allows you to share functionality across multiple forms without the need for multiple inheritance. To use frames:\nCreate a new frame in your project by right-clicking on the project in the Project Manager and selecting "New" -> "Frame".\nDesign the frame by adding controls and event handlers.\nIn each form where you want to use this frame, add a frame component to the form and set its properties to the desired frame.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EUsing Interfaces\u003C\u002Fstrong\u003E: Delphi supports interface-based inheritance, where you define an interface that declares the common functionality you want to inherit, and then \u003Ca href=\"https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-implement-error-handling-with-the-operator\"\u003Eimplement\u003C\u002Fa\u003E that interface in multiple forms. To use interfaces:\nDefine an interface containing the methods, properties, and events that you want to share among multiple forms.\nImplement this interface in each form where you want to provide the shared functionality.\nUse the implemented interface methods, properties, and events in your forms as needed.\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy using frames or interfaces, you can achieve inheritance-like behavior across multiple forms in Delphi even though multiple form inheritance is not directly supported.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the benefit of inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EInheriting multiple forms in Delphi allows developers to extend the functionality of existing forms without modifying the original form code. Some of the benefits of inheriting multiple forms in Delphi include:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003ECode Reusability\u003C\u002Fstrong\u003E: By inheriting multiple forms, developers can reuse the code and functionality of multiple forms in a single form. This promotes code reusability and reduces the amount of duplicated code.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EModular Design\u003C\u002Fstrong\u003E: Inheriting multiple forms helps in creating a modular design where each form represents a specific functionality or feature. This makes the code more organized and easier to maintain.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EExtensibility\u003C\u002Fstrong\u003E: It allows developers to add new features or modify existing features by extending the inherited forms. This makes it easier to implement changes without disturbing the original form code.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EEncapsulation\u003C\u002Fstrong\u003E: Inheriting multiple forms helps in encapsulating related functionality within a single form. This helps in improving the code's readability and reducing the complexity of accessing different functionalities spread across multiple forms.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003ETestability\u003C\u002Fstrong\u003E: Inheriting multiple forms promotes testability as it separates the functionality into different forms. This allows developers to write unit tests for each form individually, making it easier to test and debug.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003ECollaboration\u003C\u002Fstrong\u003E: Multiple developers can work on different forms simultaneously without affecting each other's work. Each developer can focus on a specific form and its functionality, making collaboration easier and more efficient.\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EOverall, inheriting multiple forms in Delphi provides a flexible and modular approach to building applications, allowing for code reuse, extensibility, and easier maintenance.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the role of protected visibility when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, the protected visibility is used to define members (fields, methods, and properties) that are \u003Ca href=\"https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-use-delphis-tdataset-components-for-database\"\u003Eaccess\u003C\u002Fa\u003Eible within the current class and its descendants. When inheriting multiple forms in Delphi, the protected visibility plays a crucial role in allowing the descendant forms (inherited forms) to access and manipulate the protected members of the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy utilizing the protected visibility, you can share common functionality or data among multiple forms without exposing them to external classes or units. This enables you to create a hierarchical structure that promotes code reuse and encapsulation.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example, suppose you have a base form (ParentForm) with some protected members (e.g., protected fields or protected methods). You can then derive multiple forms (ChildForm1, ChildForm2, etc.) from the ParentForm, allowing the child forms to access and utilize the protected members defined in the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy doing so, the child forms can extend or override the behavior of the parent form while still having access to its protected members. This improves code organization, maintainability, and flexibility.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ETo summarize, the role of protected visibility when inheriting multiple forms in Delphi is to provide access to common functionality or data within the inheritance hierarchy, enabling child forms to utilize and modify the protected members of the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EHow to handle event handlers when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EWhen inheriting multiple forms in Delphi, you might need to handle event handlers in a specific way. Here's one approach you can follow:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EDefine a base form:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EStart by creating a base form that will serve as the ancestor for all the other forms you want to inherit.\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EDefine custom events:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EDefine custom events in the base form using the \u003Ccode\u003ETNotifyEvent\u003C\u002Fcode\u003E type or create your own event types using the \u003Ccode\u003Etype\u003C\u002Fcode\u003E keyword. These events will act as placeholders for the original event handlers you intend to override in the child forms.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 9\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E10\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E11\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E12\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E13\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E14\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E15\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E16\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Etype\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TButtonClickEvent = procedure(Sender: TObject; Button: TButton) of object;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TBaseForm = class(TForm)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Button1: TButton;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Button2: TButton;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E procedure Button1Click(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E procedure Button2Click(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E private\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E FOnButtonClick: TButtonClickEvent;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E public\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E property OnButtonClick: TButtonClickEvent read FOnButtonClick write FOnButtonClick;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EImplement original event handlers:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EImplement the original event handlers in the base form, and call the corresponding custom event whenever the event handlers are triggered.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 9\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E10\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E11\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TBaseForm.Button1Click(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E if Assigned(FOnButtonClick) then\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E FOnButtonClick(Sender, Button1);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TBaseForm.Button2Click(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E if Assigned(FOnButtonClick) then\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E FOnButtonClick(Sender, Button2);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EInherit child forms:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EInherit the child forms from the base form:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TChildForm1 = class(TBaseForm)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F... override or implement additional functionality\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TChildForm2 = class(TBaseForm)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F... override or implement additional functionality\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EOverride event handlers in child forms:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn the child forms, override the custom event handlers that were declared in the base form. Here, you can write your own event handling code specific to each form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E9\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TChildForm1.DoButtonClick(Sender: TObject; Button: TButton);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ... your custom event handling code for ChildForm1\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TChildForm2.DoButtonClick(Sender: TObject; Button: TButton);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ... your custom event handling code for ChildForm2\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EAssign event handler in the Main unit:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn the main unit where you create instances of the child forms, assign the event handlers to the custom events defined in the base form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E8\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TMainForm.FormCreate(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E ChildForm1 := TChildForm1.Create(Self);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E ChildForm1.OnButtonClick := ChildForm1.DoButtonClick;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E ChildForm2 := TChildForm2.Create(Self);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E ChildForm2.OnButtonClick := ChildForm2.DoButtonClick;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy following these steps, you can handle event handlers when inheriting multiple forms in Delphi.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the syntax for inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003ETo inherit multiple forms in Delphi, you can use the \u003Ccode\u003ETForm\u003C\u002Fcode\u003E class and the \u003Ccode\u003Einherited\u003C\u002Fcode\u003E keyword in your child form's declaration. Here's the syntax:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 9\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E10\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E11\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E12\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E13\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E14\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E15\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E16\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E17\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E18\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E19\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E20\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E21\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E22\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Etype\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TChildForm = class(TForm)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Child form properties, events, etc.\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E private\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Private declarations\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E protected\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Protected declarations\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E public\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Public declarations\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E constructor Create(AOwner: TComponent); override;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eimplementation\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E{ TChildForm }\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Econstructor TChildForm.Create(AOwner: TComponent);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E inherited Create(AOwner);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Additional initialization code\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn this example, \u003Ccode\u003ETChildForm\u003C\u002Fcode\u003E inherits from \u003Ccode\u003ETForm\u003C\u002Fcode\u003E and overrides its \u003Ccode\u003ECreate\u003C\u002Fcode\u003E constructor. By calling \u003Ccode\u003Einherited Create(AOwner)\u003C\u002Fcode\u003E, you invoke the parent \u003Ccode\u003ETForm\u003C\u002Fcode\u003E class's constructor and include any additional initialization code specific to your child form.\u003C\u002Fp\u003E",formatted_content_ad:"\u003Cp\u003E\u003Ca href=\"https:\u002F\u002Fstlplaces.com\u002Fblog\u002Fhow-to-use-an-image-as-a-button-in-delphi\" target=\"_blank\"\u003EIn Delphi\u003C\u002Fa\u003E, inheritance allows you to create new classes based on existing ones, thereby reusing code and adding new functionality. By using multiple inheritance, you can inherit properties, methods, and events from multiple forms.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ETo inherit multiple forms in Delphi, you need to follow these steps:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003ECreate a new form (let's call it ChildForm) that you want to inherit from multiple forms.\n\u003C\u002Fli\u003E\u003Cli\u003EAdd the \u003Ca href=\"https:\u002F\u002Fdevhubby.com\u002Fthread\u002Fhow-to-get-parent-id-when-creating-a-child-in-ember\" target=\"_blank\"\u003EParentForm\u003C\u002Fa\u003E1 unit and ParentForm2 unit to the uses clause of ChildForm. This ensures that the child form can access the code of both parent forms.\n\u003C\u002Fli\u003E\u003Cli\u003EIn the ChildForm class declaration, inherit from ParentForm1 and ParentForm2 using the inherited keyword. For example:\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Etype\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TChildForm = class(ParentForm1, ParentForm2)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003ENow, ChildForm will have access to the properties, methods, and events of both ParentForm1 and ParentForm2. You can override or extend these \u003Ca href=\"https:\u002F\u002Fubuntuask.com\u002Fblog\u002Fhow-to-hide-inherited-dialog-properties-on-aem\" target=\"_blank\"\u003Einherited elements accordingly\u003C\u002Fa\u003E.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ENote that when you inherit from multiple forms, you must be careful with naming conflicts. If both \u003Ccode\u003EParentForm1\u003C\u002Fcode\u003E and \u003Ccode\u003EParentForm2\u003C\u002Fcode\u003E have properties or methods with the same name, you will need to resolve the conflict in \u003Ccode\u003EChildForm\u003C\u002Fcode\u003E by specifying which parent class should be used. You can use the \u003Ccode\u003Einherited\u003C\u002Fcode\u003E keyword to call a specific parent class's implementation.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy using multiple inheritance in Delphi, you can combine the features of multiple forms into a \u003Ca href=\"https:\u002F\u002Ftechtalk.abatek.com\u002Fblog\u002Fhow-to-update-two-tables-using-single-procedure-in\" target=\"_blank\"\u003Esingle child form\u003C\u002Fa\u003E, allowing for greater code reuse and functionality.\u003C\u002Fp\u003E\n \u003Cdiv class=\"rating\"\u003E\n \u003Ch2\u003EBest Borland Delphi Books to Read in 2025\u003C\u002Fh2\u003E\n \u003Cdiv class=\"row mt-2\"\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 1\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51vn5i05xel-sl160.jpg\" alt=\"Delphi Cookbook: Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development, 3rd Edition\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 5 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 5;\" aria-label=\"Rating is 5 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi Cookbook: Recipes to master Delphi for IoT integrations, cross-platform, mobile and server-side development, 3rd Edition\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FWEGcjOSIg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 2\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41rmgsaqsul-sl160.jpg\" alt=\"Delphi Programming for Dummies\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.9 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.9;\" aria-label=\"Rating is 4.9 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi Programming for Dummies\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FXEM5jdSSg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 3\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51jul2tze4l-sl160.jpg\" alt=\"The Little Book Of Delphi Programming: Learn To Program with Object Pascal (Little Programming Books)\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.8 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.8;\" aria-label=\"Rating is 4.8 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EThe Little Book Of Delphi Programming: Learn To Program with Object Pascal (Little Programming Books)\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FpEM5CdSSR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 4\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41jath1c-jl-sl160.jpg\" alt=\"Mastering Borland Delphi: A Comprehensive Guide\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.7 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.7;\" aria-label=\"Rating is 4.7 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EMastering Borland Delphi: A Comprehensive Guide\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FDEGcCdISR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 5\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F41u9f5bdowl-sl160.jpg\" alt=\"Borland Delphi Second Edition\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.6 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.6;\" aria-label=\"Rating is 4.6 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EBorland Delphi Second Edition\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002FnsGcjOIIg\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003Cdiv class=\"col-12\"\u003E\n \u003Cdiv class=\"v-card elevation-6\"\u003E\n \u003Cdiv class=\"v-card__text rating-text\"\u003E\n \u003Cdiv class=\"rating-counter\"\u003E\n \u003Cspan class=\"v-badge\"\u003E\n \u003Cspan class=\"v-badge__wrapper\"\u003E\n \u003Cspan aria-atomic=\"true\" aria-label=\"Позиция\" class=\"v-badge__badge primary\"\u003E\n 6\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fspan\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"row\"\u003E\n \u003Cdiv class=\"col-lg-3 col-md-4 col-sm-6 col-12 d-flex justify-center align-center\"\u003E\n \u003Cdiv\u003E\n \u003Cimg src=\"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Frating\u002F51mnoe9cvil-sl160.jpg\" alt=\"Delphi GUI Programming with FireMonkey: Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi\" \u002F\u003E\n \u003Cp class=\"text-center font-weight-bold text-h6\"\u003ERating is 4.5 out of 5\u003C\u002Fp\u003E\n \u003Cdiv class=\"stars\" style=\"--rating: 4.5;\" aria-label=\"Rating is 4.5 out of 5\" \u003E\u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003Cdiv class=\"col-lg-6 col-md-8 col-sm-6 col-12\"\u003E\n \u003Cp class=\"font-weight-bold rating-name\"\u003EDelphi GUI Programming with FireMonkey: Unleash the full potential of the FMX framework to build exciting cross-platform apps with Embarcadero Delphi\u003C\u002Fp\u003E\n \n \n\n \n \n \u003C\u002Fdiv\u003E\n\n \u003Cdiv class=\"col-lg-3 col-md-12 col-12 d-flex align-center justify-lg-end justify-center\"\u003E\n \u003Cdiv class=\"text-center d-flex flex-column\"\u003E\n \n \u003Ca href=\"https:\u002F\u002Fgosrc.cc\u002Fgo\u002F_EM5jdSSR\" target=\"_blank\" rel=\"nofollow noopener\" class=\"v-btn v-btn--rounded elevation-5 v-size--large success mb-2\"\u003E\n \u003Cspan class=\"v-btn__content\"\u003EGet Book Now\u003C\u002Fspan\u003E\n \u003C\u002Fa\u003E\n \n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n \n \u003C\u002Fdiv\u003E\n \u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Ch2\u003EHow to handle resource management when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, when inheriting multiple forms, it is important to handle resource management properly to avoid memory leaks and ensure efficient code execution. Here are some steps to follow:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EProperly release resources in the destructor\u003C\u002Fstrong\u003E: Override the destructor of the inherited form class and make sure to call the Free method or any other appropriate resource releasing methods for all the components or objects created in the form that need to be freed.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 9\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E10\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Edestructor TMyForm.Destroy;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Release resource for components or objects\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Component1.Free; \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Component2.Free; \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Call the inherited destructor\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E inherited;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EManage the ownership of components\u003C\u002Fstrong\u003E: When creating new components on inherited forms, be cautious about the ownership. Make sure to properly manage the ownership by setting the Owner property to the form or another appropriate component that will handle the lifetime of the created objects.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Evar\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E MyComponent: TComponent;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E MyComponent := TSomeComponent.Create(Self); \u002F\u002F Self or another object as the owner\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EHandle event handlers\u003C\u002Fstrong\u003E: If any event handlers are assigned to components on inherited forms, properly unassign them or set them to nil in the destructor to avoid memory leaks.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E9\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Edestructor TMyForm.Destroy;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Unassign or set event handlers to nil\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Component1.OnEvent := nil;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Component2.OnEvent := nil;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E inherited;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EAvoid duplicating component creation\u003C\u002Fstrong\u003E: If components are already created in the inherited form's constructor, avoid duplicating the creation process in the descendant form's constructor. Instead, directly access the components from the inherited form.\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E8\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Econstructor TMyForm.Create(AOwner: TComponent);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E inherited;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Access and modify components from the inherited form\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E InheritedComponent1.Property := Value;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E InheritedComponent2.Method;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy following these steps, you can effectively handle resource management when inheriting multiple forms in Delphi and ensure proper memory handling and efficient code execution.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the process of inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, you cannot directly inherit from multiple forms like you can in some other programming languages. However, there are a couple of ways to achieve similar functionality:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003EUsing Frames\u003C\u002Fstrong\u003E: Delphi provides a concept called "Frames" which can be used to create reusable visual components. You can design a frame similar to a form, add controls to it, and define event handlers. Then, you can add the frame to multiple forms in your application. This allows you to share functionality across multiple forms without the need for multiple inheritance. To use frames:\nCreate a new frame in your project by right-clicking on the project in the Project Manager and selecting "New" -> "Frame".\nDesign the frame by adding controls and event handlers.\nIn each form where you want to use this frame, add a frame component to the form and set its properties to the desired frame.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EUsing Interfaces\u003C\u002Fstrong\u003E: Delphi supports interface-based inheritance, where you define an interface that declares the common functionality you want to inherit, and then \u003Ca href=\"https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-implement-error-handling-with-the-operator\"\u003Eimplement\u003C\u002Fa\u003E that interface in multiple forms. To use interfaces:\nDefine an interface containing the methods, properties, and events that you want to share among multiple forms.\nImplement this interface in each form where you want to provide the shared functionality.\nUse the implemented interface methods, properties, and events in your forms as needed.\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cp\u003EBy using frames or interfaces, you can achieve inheritance-like behavior across multiple forms in Delphi even though multiple form inheritance is not directly supported.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the benefit of inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EInheriting multiple forms in Delphi allows developers to extend the functionality of existing forms without modifying the original form code. Some of the benefits of inheriting multiple forms in Delphi include:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003E\u003Cstrong\u003ECode Reusability\u003C\u002Fstrong\u003E: By inheriting multiple forms, developers can reuse the code and functionality of multiple forms in a single form. This promotes code reusability and reduces the amount of duplicated code.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EModular Design\u003C\u002Fstrong\u003E: Inheriting multiple forms helps in creating a modular design where each form represents a specific functionality or feature. This makes the code more organized and easier to maintain.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EExtensibility\u003C\u002Fstrong\u003E: It allows developers to add new features or modify existing features by extending the inherited forms. This makes it easier to implement changes without disturbing the original form code.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003EEncapsulation\u003C\u002Fstrong\u003E: Inheriting multiple forms helps in encapsulating related functionality within a single form. This helps in improving the code's readability and reducing the complexity of accessing different functionalities spread across multiple forms.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003ETestability\u003C\u002Fstrong\u003E: Inheriting multiple forms promotes testability as it separates the functionality into different forms. This allows developers to write unit tests for each form individually, making it easier to test and debug.\n\u003C\u002Fli\u003E\u003Cli\u003E\u003Cstrong\u003ECollaboration\u003C\u002Fstrong\u003E: Multiple developers can work on different forms simultaneously without affecting each other's work. Each developer can focus on a specific form and its functionality, making collaboration easier and more efficient.\n\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EOverall, inheriting multiple forms in Delphi provides a flexible and modular approach to building applications, allowing for code reuse, extensibility, and easier maintenance.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the role of protected visibility when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EIn Delphi, the protected visibility is used to define members (fields, methods, and properties) that are \u003Ca href=\"https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-use-delphis-tdataset-components-for-database\"\u003Eaccess\u003C\u002Fa\u003Eible within the current class and its descendants. When inheriting multiple forms in Delphi, the protected visibility plays a crucial role in allowing the descendant forms (inherited forms) to access and manipulate the protected members of the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy utilizing the protected visibility, you can share common functionality or data among multiple forms without exposing them to external classes or units. This enables you to create a hierarchical structure that promotes code reuse and encapsulation.\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example, suppose you have a base form (ParentForm) with some protected members (e.g., protected fields or protected methods). You can then derive multiple forms (ChildForm1, ChildForm2, etc.) from the ParentForm, allowing the child forms to access and utilize the protected members defined in the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy doing so, the child forms can extend or override the behavior of the parent form while still having access to its protected members. This improves code organization, maintainability, and flexibility.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003ETo summarize, the role of protected visibility when inheriting multiple forms in Delphi is to provide access to common functionality or data within the inheritance hierarchy, enabling child forms to utilize and modify the protected members of the parent form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EHow to handle event handlers when inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003EWhen inheriting multiple forms in Delphi, you might need to handle event handlers in a specific way. Here's one approach you can follow:\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EDefine a base form:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cp\u003EStart by creating a base form that will serve as the ancestor for all the other forms you want to inherit.\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EDefine custom events:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EDefine custom events in the base form using the \u003Ccode\u003ETNotifyEvent\u003C\u002Fcode\u003E type or create your own event types using the \u003Ccode\u003Etype\u003C\u002Fcode\u003E keyword. These events will act as placeholders for the original event handlers you intend to override in the child forms.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 9\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E10\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E11\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E12\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E13\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E14\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E15\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E16\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Etype\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TButtonClickEvent = procedure(Sender: TObject; Button: TButton) of object;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TBaseForm = class(TForm)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Button1: TButton;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E Button2: TButton;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E procedure Button1Click(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E procedure Button2Click(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E private\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E FOnButtonClick: TButtonClickEvent;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E public\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E property OnButtonClick: TButtonClickEvent read FOnButtonClick write FOnButtonClick;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F...\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EImplement original event handlers:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EImplement the original event handlers in the base form, and call the corresponding custom event whenever the event handlers are triggered.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 9\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E10\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E11\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TBaseForm.Button1Click(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E if Assigned(FOnButtonClick) then\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E FOnButtonClick(Sender, Button1);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TBaseForm.Button2Click(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E if Assigned(FOnButtonClick) then\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E FOnButtonClick(Sender, Button2);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EInherit child forms:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EInherit the child forms from the base form:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TChildForm1 = class(TBaseForm)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F... override or implement additional functionality\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TChildForm2 = class(TBaseForm)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F... override or implement additional functionality\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EOverride event handlers in child forms:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn the child forms, override the custom event handlers that were declared in the base form. Here, you can write your own event handling code specific to each form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E9\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TChildForm1.DoButtonClick(Sender: TObject; Button: TButton);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ... your custom event handling code for ChildForm1\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TChildForm2.DoButtonClick(Sender: TObject; Button: TButton);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F ... your custom event handling code for ChildForm2\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Col\u003E\u003Cli\u003EAssign event handler in the Main unit:\u003C\u002Fli\u003E\u003C\u002Fol\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn the main unit where you create instances of the child forms, assign the event handlers to the custom events defined in the base form.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EFor example:\u003C\u002Fp\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E8\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eprocedure TMainForm.FormCreate(Sender: TObject);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E ChildForm1 := TChildForm1.Create(Self);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E ChildForm1.OnButtonClick := ChildForm1.DoButtonClick;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E ChildForm2 := TChildForm2.Create(Self);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E ChildForm2.OnButtonClick := ChildForm2.DoButtonClick;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EBy following these steps, you can handle event handlers when inheriting multiple forms in Delphi.\u003C\u002Fp\u003E\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Ch2\u003EWhat is the syntax for inheriting multiple forms in Delphi?\u003C\u002Fh2\u003E\u003Cp\u003ETo inherit multiple forms in Delphi, you can use the \u003Ccode\u003ETForm\u003C\u002Fcode\u003E class and the \u003Ccode\u003Einherited\u003C\u002Fcode\u003E keyword in your child form's declaration. Here's the syntax:\u003C\u002Fp\u003E\u003Cscript async=\"\" src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cins class=\"adsbygoogle\" style=\"display:block\" data-ad-format=\"fluid\" data-ad-layout-key=\"-ef+6k-30-ac+ty\" data-ad-client=\"ca-pub-4833888168110763\" data-ad-slot=\"1024354517\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E\u003Cdiv style=\"color:#f8f8f2;background-color:#272822;\"\u003E\n\u003Ctable style=\"border-spacing:0;padding:0;margin:0;border:0;\"\u003E\u003Ctbody\u003E\u003Ctr\u003E\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 1\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 2\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 3\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 4\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 5\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 6\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 7\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 8\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E 9\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E10\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E11\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E12\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E13\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E14\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E15\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E16\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E17\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E18\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E19\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E20\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E21\n\u003C\u002Fspan\u003E\u003Cspan style=\"white-space:pre;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f\"\u003E22\n\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\n\u003Ctd style=\"vertical-align:top;padding:0;margin:0;border:0;;width:100%\"\u003E\n\u003Cpre tabindex=\"0\" style=\"color:#f8f8f2;background-color:#272822;\"\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Etype\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E TChildForm = class(TForm)\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Child form properties, events, etc.\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E private\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Private declarations\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E protected\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Protected declarations\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E public\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Public declarations\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E constructor Create(AOwner: TComponent); override;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E end;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eimplementation\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E{ TChildForm }\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Econstructor TChildForm.Create(AOwner: TComponent);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Ebegin\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E inherited Create(AOwner);\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003E \u002F\u002F Additional initialization code\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003Cspan style=\"display:flex;\"\u003E\u003Cspan\u003Eend;\n\u003C\u002Fspan\u003E\u003C\u002Fspan\u003E\u003C\u002Fpre\u003E\u003C\u002Ftd\u003E\u003C\u002Ftr\u003E\u003C\u002Ftbody\u003E\u003C\u002Ftable\u003E\n\u003C\u002Fdiv\u003E\n\u003Cp\u003E\u003Cbr\u002F\u003E\u003C\u002Fp\u003E\u003Cp\u003EIn this example, \u003Ccode\u003ETChildForm\u003C\u002Fcode\u003E inherits from \u003Ccode\u003ETForm\u003C\u002Fcode\u003E and overrides its \u003Ccode\u003ECreate\u003C\u002Fcode\u003E constructor. By calling \u003Ccode\u003Einherited Create(AOwner)\u003C\u002Fcode\u003E, you invoke the parent \u003Ccode\u003ETForm\u003C\u002Fcode\u003E class's constructor and include any additional initialization code specific to your child form.\u003C\u002Fp\u003E",slug:"how-to-inherit-multiple-forms-in-delphi",image:"blog\u002F0caea43e-1982-4f9e-aa0f-440316639853\u002F6554b9341977dc9042af9f69.png",active:d,nofollow_links:c,hash_tags:["blogweb"],allow_comments:c,no_ad:c,update_daily:c,update_monthly:c,update_yearly:d,meta_title:"How to Inherit Multiple Forms In Delphi in 2025?",meta_description:aU,related_posts:[{id:ar,text:as,title:a,image:at,summary:au,slug:av},{id:aw,text:ax,title:a,image:ay,summary:az,slug:aA},{id:aB,text:aC,title:a,image:aD,summary:aE,slug:aF},{id:102343,text:"How to Work With Files And File Handling In Delphi?",title:a,image:"blog\u002Fb3eda883-5943-417b-a860-52d34f80937a\u002F65568247f132d028ccb5898e.png",summary:"Working with files and file handling in Delphi involves performing various operations on files such as creating, opening, reading, writing, and closing files. Delphi provides a set of components, functions, and procedures to handle file operations efficiently. Here are some important concepts and techniques involved in working with files in Delphi:File Handling Units:\nDelphi includes several units that assist in file handling, such as System.SysUtils, System.IOUtils, and System.Classes.",slug:"how-to-work-with-files-and-file-handling-in-delphi"},{id:102468,text:"How to Implement Printing Functionality In Delphi?",title:a,image:"blog\u002F8a136679-2e46-47eb-b2cb-819b8d0da24f\u002F6556d81272b5c219a38c77f2.png",summary:"To implement printing functionality in Delphi, you can follow these steps:First, create a new VCL Forms application in Delphi.\nAdd the necessary components to the form. Select the "Standard" category in the "Tool Palette" and add a "Button" and a "PrintDialog" component to the form.\nDouble-click on the "Button" to open the code editor for its "OnClick" event.\nIn the code editor, write the code to handle the printing functionality.",slug:"how-to-implement-printing-functionality-in-delphi"},{id:101856,text:"How to Create And Use Data Modules In Delphi?",title:a,image:"blog\u002F3d20ff4e-fea0-4d42-9ec3-c0b7beef6f13\u002F655547f0caeb4f4b324ae58c.png",summary:"Data modules in Delphi are powerful components that allow you to separate your data access and manipulation logic from the user interface components in your application. They can contain various data access components, such as database connections, datasets, queries, and other data-related objects.To create a data module in Delphi, follow these steps:Open a new or existing Delphi project.Right-click on the Project Manager window and select "New Data Module" from the context menu.",slug:"how-to-create-and-use-data-modules-in-delphi"},{id:101901,text:"How to Write And Execute SQL Queries In Delphi?",title:a,image:"blog\u002Fad86a6f8-6c54-43a4-8883-7a2dd6facd4d\u002F65556472396466efdc3bc232.png",summary:"To write and execute SQL queries in Delphi, you need to follow a few steps. First, establish a database connection using the appropriate components in Delphi, such as ADOConnection or FDConnection. Then, create a SQL query object, such as TADOQuery or TFDQuery.Next, you can start writing your SQL query. Delphi provides a SQL property in the query components where you can enter your SQL statement.",slug:"how-to-write-and-execute-sql-queries-in-delphi"},{id:101769,text:"How to Add Components to A Delphi Form?",title:a,image:"blog\u002Ff22a334e-6293-4b2b-b923-ae0fc74a3ade\u002F65550e87caeb4f4b324ae4cc.png",summary:"To add components to a Delphi form, you can follow these steps:Open the Delphi IDE (Integrated Development Environment) and open the form you want to add components to.\nOn the left side of the Delphi IDE, you will find a "Tool Palette" that contains various components you can add to your form. The components are divided into different categories like "Standard," "Additional," and "Data Controls.",slug:"how-to-add-components-to-a-delphi-form"},{id:102032,text:"How to Implement Error Handling In Delphi?",title:a,image:"blog\u002F40a28b5d-4e85-4bf5-848b-8e84612e27e9\u002F6555ba28caeb4f4b324ae744.png",summary:"Error handling in Delphi is the process of managing and dealing with unexpected errors that may occur during the execution of a program. It is important to handle errors properly to ensure the stability and reliability of your application. Here are some key points on how to implement error handling in Delphi:Try..Except block: The most common way to handle errors in Delphi is by using the Try..Except block.",slug:"how-to-implement-error-handling-in-delphi"},{id:102086,text:"How to Create Custom Components In Delphi?",title:a,image:"blog\u002F2ae2badb-4beb-4e40-90c0-b0d8f153c016\u002F6555d6c4caeb4f4b324d2c59.png",summary:"Creating custom components in Delphi allows you to extend the functionality of the IDE by adding new controls that can be used in your applications. Here is a step-by-step guide on how to create custom components in Delphi:Open Delphi and create a new package by selecting "File" > "New" > "Package" from the menu.In the package window, go to "Project" > "View Source" to open the source file of the package.",slug:"how-to-create-custom-components-in-delphi"}],category:{id:aI,name:z,meta_title:a,meta_description:a,order:b,children:g,description:a,slug:aJ},created:"2023-11-15T12:27:35Z",updated:"2025-01-01T00:00:00Z"}}],fetch:{},error:g,state:{loading:b,settings:{id:h,name:k,domain:aL,port:aM,plan:f,add_source:f,add_source_text:W,forum_active:c,footer_code:aQ,scrollable_pagination:b,add_watermark:b,add_watermark_position:b,headless:c,hash:aK,robots_txt:aP,locale:aO,meta_title:k,modules:[{uuid:"52f05b96-2b7a-11eb-943e-6a24baf8d0e4",path:"amazon",name:"Amazon",active:d},{uuid:"39e96103-3de3-11eb-9b32-86f43b04e535",path:"tinysrc",name:"TinySRC",active:d},{uuid:"cc863ba7-13bd-11ed-a99e-8ebf5783113d",path:aV,name:"mywebforum.com",active:d},{uuid:"7671225a-2f09-11ee-9f18-9ac8ad3607b3",path:"openai",name:"OpenAI",active:c}],favicon_png:"\u002Ffavicon.png",favicon_ico:a,custom_css:".rating-text .row .d-flex \u003E div{\n text-align: center;\n}\n\n.rating-text img{\n max-height: 150px !important;\n max-width: 190px !important;\n}\n\n\n.v-card__text.post-text p,\n.v-card__text.post-text li {\n font-size: 16px;\n}\n\n.v-card__text.post-text h2 {\nmargin-top: 10px;\n}\n\n.v-card__text.post-text p {\npadding-bottom: 10px;\ndisplay: inline-block;\n}\n\n.v-card__text.post-text h2 {\npadding-top: 10px;\n}\n\n.v-card__text.post-text ul,\n.v-card__text.post-text ol {\nmargin-bottom: 0 !important;\n}\n \n.v-card__text.post-text ul li p,\n.v-card__text.post-text ol li p {\n display:inline;\nmargin-bottom: 0 !important;\npadding: 0 !important;\n}",meta_description:A,description:A,logo:aN,activation:aR},layout:{id:h,is_dark:b,name:ap,page_transition:"fadeUp",background:"background\u002F79.png",code_theme:"monokai",background_full:c,background_color:a,text_color:a,text_font_family:"Roboto",primary_color:aW,secondary_color:aW,accent_color:l,info_color:l,success_color:l,error_color:l,warning_color:l},menus:[],isFooterVisible:c,showAd:c,cdnUrl:"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com",metaOg:{title:X,url:aq,image:"https:\u002F\u002Fblogweb-static.fra1.cdn.digitaloceanspaces.com\u002Fimages\u002Fdd5f352e-9f56-413f-99cd-ffdea954bcc4\u002Fblog\u002F0caea43e-1982-4f9e-aa0f-440316639853\u002F6554b9341977dc9042af9f69.png",type:"article",description:aU,site_name:k},ad:[{id:8,name:"Own Domain",css_selector:a,position:f,one_time:c,show_every:b,code:"\u003Cdiv id=\"amazon-banner-container\"\u003E\u003C\u002Fdiv\u003E\n\u003Cscript src=\"https:\u002F\u002Fcdn.flashpost.app\u002Fflashpost-banner\u002Famazon-banner.js\"\u003E\u003C\u002Fscript\u003E\n\u003Cscript\u003E\n if (window.AmazonBannerWidget) {\n \u002F\u002F Example with a custom page URL (or remove the second argument to default to current page)\n window.AmazonBannerWidget(\"amazon-banner-container\");\n } else {\n console.error(\"AmazonBannerWidget is not defined. 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Users","Moderate Posts","Moderate Comments","Blog Settings","Privacy Settings","Ad Settings","Mail Settings","Layout Settings","Pages","Social Settings","Security Settings","Ratings","Author","Blog Content","Blog","Personal Messages","Admin dashboard","Moderator dashboard","Contact us","Read more at:","How to Inherit Multiple Forms In Delphi?","\u003Cscript async src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\u003C!-- freelanceshack --\u003E\n\u003Cins class=\"adsbygoogle\"\n style=\"display:block\"\n data-ad-client=\"ca-pub-4833888168110763\"\n data-ad-slot=\"9432299908\"\n data-ad-format=\"auto\"\n data-full-width-responsive=\"true\"\u003E\u003C\u002Fins\u003E\n\u003Cscript\u003E\n (adsbygoogle = window.adsbygoogle || []).push({});\n\u003C\u002Fscript\u003E",4,"Home","\u002F","Category","Hash Tags","Forum","Redirect","Auto Linker Settings","Keywords List","Community Forum","Edit User Details","View Message","My Profile","Description","Picture","Price","Question","Sign Up","default","https:\u002F\u002Ffreelanceshack.com\u002Fblog\u002Fhow-to-inherit-multiple-forms-in-delphi",116525,"How to Inherit Classes In Swift?","blog\u002F2a657b4b-7c5b-4929-8c07-e914e18319bc\u002F65c2dcad9b63cb603134a4bd.png","In Swift, inheritance allows a class to inherit properties, methods, and other characteristics from another class. To inherit a class in Swift, you need to follow these steps:Define a new class and specify the superclass you want to inherit from using the colon (:) notation.\nclass MyClass: Superclass {\n \u002F\u002F class definition\n}\nAdd any additional properties and methods specific to your subclass after the class declaration.","how-to-inherit-classes-in-swift",102295,"How to Implement Multithreading In Delphi?","blog\u002F7b277e25-5147-4a8f-b001-41f99ed461fe\u002F655665d3bd89eff224ac1e0b.png","Multithreading in Delphi refers to the ability to execute multiple threads concurrently within a Delphi application. Implementing multithreading in Delphi can provide several benefits, such as improved performance and responsiveness. Here are the key steps to implement multithreading in Delphi:Create a new thread: Delphi provides a TThread class that serves as a base class for creating custom threads. Derive a new class from TThread and override the Execute method.","how-to-implement-multithreading-in-delphi",102545,"How to Create And Use Frames In Delphi?","blog\u002F206a3d00-2882-4e16-846d-adec387934df\u002F65571132f132d028ccb8c6b5.png","Creating and using frames in Delphi allows you to create reusable components that can be easily embedded within different forms or other frames in your application. Frames provide a way to encapsulate and group related controls, making it easier to manage and organize the user interface.To create a new frame in Delphi, you can follow these steps:Open Delphi and create a new project or open an existing one.","how-to-create-and-use-frames-in-delphi",3,"Finance",2582,"programming","dd5f352e-9f56-413f-99cd-ffdea954bcc4","freelanceshack.com",80,"logo\u002F78.png","en","User-agent: *\nDisallow: \u002Fsearch\nDisallow: \u002Fadmin\nDisallow: \u002Fprofile\nDisallow: \u002Flogin\nDisallow: \u002Fregister\n\nSitemap: https:\u002F\u002Ffreelanceshack.com\u002Fsitemap.xml","\u003C!-- Yandex.Metrika counter --\u003E\n\u003Cscript type=\"text\u002Fjavascript\" \u003E\n (function(m,e,t,r,i,k,a){m[i]=m[i]||function(){(m[i].a=m[i].a||[]).push(arguments)};\n m[i].l=1*new Date();k=e.createElement(t),a=e.getElementsByTagName(t)[0],k.async=1,k.src=r,a.parentNode.insertBefore(k,a)})\n (window, document, \"script\", \"https:\u002F\u002Fmc.yandex.ru\u002Fmetrika\u002Ftag.js\", \"ym\");\n\n ym(71055130, \"init\", {\n clickmap:true,\n trackLinks:true,\n accurateTrackBounce:true\n });\n\u003C\u002Fscript\u003E\n\u003Cnoscript\u003E\u003Cdiv\u003E\u003Cimg src=\"https:\u002F\u002Fmc.yandex.ru\u002Fwatch\u002F71055130\" style=\"position:absolute; left:-9999px;\" alt=\"\" \u002F\u003E\u003C\u002Fdiv\u003E\u003C\u002Fnoscript\u003E\n\u003C!-- \u002FYandex.Metrika counter --\u003E\n\n\u003Cscript data-ad-client=\"ca-pub-4833888168110763\" async src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js\"\u003E\u003C\u002Fscript\u003E\n\n\u003Cscript async src=\"https:\u002F\u002Fpagead2.googlesyndication.com\u002Fpagead\u002Fjs\u002Fadsbygoogle.js?client=ca-pub-4833888168110763\"\n crossorigin=\"anonymous\"\u003E\u003C\u002Fscript\u003E","email","2021-01-07T19:31:34Z","2024-06-27T17:09:45Z","Are you looking to master Delphi programming? Discover how to effectively inherit multiple forms in Delphi with this comprehensive article.","forum","#424242",2,6,12,"Latest Threads","\u003Cp\u003EHow to pass json parameters to powershell script?\u003C\u002Fp\u003E","\u003Cp\u003EHow to run a bash script on wsl with powershell?\u003C\u002Fp\u003E","\u003Cp\u003EHow to batch delete folder using powershell?\u003C\u002Fp\u003E","\u003Cp\u003EHow to remove special characters in string in powershell?\u003C\u002Fp\u003E","\u003Cp\u003EHow to increase list view threshold in powershell?\u003C\u002Fp\u003E","Posted Links","Table of Contents","Trusted User","Active","Topics","General Settings","Moderate Threads","Authors","Members","Ask AI","Are you sure you want to delete this category?","Created","Your account was successfully confirmed","Forum Category Settings","List Users","Moderate Thread","New User","Model","Forum Settings","Role","Api Key","Query:","Edit Profile","Image","Title","Username","Update","New Ad","Ban","Export Data","Edit Category","New Category","Add a new menu link","My profile"));</script><script src="https://pub-420acf56315e422bbbdab07717bee8cd.r2.dev/assets/0.1/5dffdb2.js" defer></script><script src="https://pub-420acf56315e422bbbdab07717bee8cd.r2.dev/assets/0.1/573ea6b.js" defer></script><script src="https://pub-420acf56315e422bbbdab07717bee8cd.r2.dev/assets/0.1/1dcc425.js" defer></script><script src="https://pub-420acf56315e422bbbdab07717bee8cd.r2.dev/assets/0.1/41ff57f.js" defer></script>
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