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#36: How can I create a non-rectangular control?

If you want to create a non-rectangular control or form, you can create a some region and set this region to your wished window control.

For example, write in OnYourFormCreate event:
SetWindowRgn(Edit1.Handle, CreateRoundRectRgn(2, 2, Edit1.Width - 2, Edit1.Height - 2, 15, 15), True);
This make the oval edit control.

Also view help for CreateRectRegn, CreateRectRgnIndirect API's functions.

You can set a region to any window control (to change a form shape, edit shape etc) - use a YourControl.Handle instead Edit1.Handle in the example.

Published: October 28, 1999

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