Dave's Brain

Browse - Programming Tips - What should I set an invalid HWND to?

Date: 2015oct27
OS: Windows

Q.  What should I set an invalid HWND to?

A.  Just use NULL because that is what CreateWindow()
uses to return failure.

You might think about using INVALID_HANDLE_VALUE since a HWND is a handle.
But INVALID_HANDLE_VALUE is -1 and so is HWND_TOPMOST.

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