c# - How can I find out if there are windows above a control? -

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If I have Winforms controls, can it be possible to tell whether the window above it (from any application)? Actually, I have to know that some parts of my control are actually appearing on the screen.

If you are happy to p / call, the EnumWindows function provides all top-level windows HWND on the screen is; This allows you to get a Non-Client Rectangle (GetWindowRect) to compare the limits of your form.

This non-rectangular opaque areas (media player and fancy skins for choice), so you can be false positive for such a control window.


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