AnyPopup (user32)
Last changed: -70.57.117.39

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Summary

C# Signature:

[DllImport("user32.dll")]
static extern bool AnyPopup();

User-Defined Types:

None.

Notes:

The AnyPopup function indicates whether an owned, visible, top-level pop-up, or overlapped window exists on the screen. The function searches the entire screen, not just the calling application's client area.

This function does not detect unowned pop-up windows or windows that do not have the WS_VISIBLE style bit set.

This function is provided only for compatibility with 16-bit versions of Microsoft Windows. It is generally not useful.

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Sample Code:

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Alternative Managed API:

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Documentation
AnyPopup on MSDN