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Take care with InitializeComponent

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QUESTION POSED ON: 08 August 2005

I have made a class that inherits Treeview class in one component of Vb.Net. I want this class to be used by another component.

When I draw TreeView in other component forms and in Window Generated Code, I instantiate that TreeView from an earlier component in the TreeView class.

It worked fine once, but not consistently.

I am not making a user control, just adding some functionalities to class, which can be used by any other component. -K.


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EXPERT RESPONSE

You should NOT be modifying InitializeComponent method in the code-behind (or any of the variable definitions) by hand. That code is re-generated by the WinForms designer every time you make a change.

If your new control inherits from TreeView, you should be able to add it to the toolbox like any other control, and then drag it from there. If you want additional code to be emitted to the InitializeComponent, you will need to create a custom serializer for your control and use CodeDom.

You can read my article at CodeProject to learn more about it: http://www.codeproject.com/csharp/components.asp


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