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Editorial Team
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Asked: 2026-05-16T21:43:56+00:00

I’ve only just started using C#/VS this past week and wondered how to do

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I’ve only just started using C#/VS this past week and wondered how to do something which, I think, should be quite simple:

What I want to do is extend the class used by a UI component and therefore implement my own methods in it – just for one instance of a UI component though. If I was using xcode/objective c I would normally just change the class name of the component in interface builder and it would become an instance of that class which would in turn extend the original UI class.

How do I do something comparable using C#/Visual Studio?

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1 Answer

  1. Editorial Team

    You can take any component class in Windows Forms and subclass it. Visual controls all derive from the Control class and you can do so as well.

    If your component is a User Control (i.e., it derives from System.Windows.Forms.UserControl), it should automatically appear in the Toolbox after you build the project. For other components, you can add them to the Toolbox by right-clicking on the Toolbox and select Customize Toolbox, selecting the .NET Framework Components tab, clicking the Browse button, and selecting the DLL with the control.

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