Design-Time Support for Custom Controls

  • Matthew MacDonald


The custom controls you have explored so far are full of promise. Being able to drop a tool-like directory browser or thumbnail viewer directly into your application without writing a single line of extra code is a remarkable advantage. However, there is one caveat. Though your custom controls perform wonders at runtime, many of them act oddly while a form is being designed. By default, only user controls appear in the Toolbox, and even they only appear with a generic icon. Inherited controls need to be created in code, unless you create a similar control and manually edit the hidden designer instructions. Even if you use this trick, the results aren’t always what you expect.


Design Time Custom Control Control Class Custom Designer Visual Studio 
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Copyright information

© Matthew MacDonald 2002

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  • Matthew MacDonald

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