DwmDefWindowProc (dwmapi)
Last changed: -74.46.19.27

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Summary
Default window procedure for Desktop Window Manager (DWM) hit testing within the non-client area.

C# Signature:

[DllImport("dwmapi.dll")]
private static extern object DwmDefWindowProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam, ref IntPtr plResult);

VB.NET Signature:

<DllImport("dwmapi.dll")> _
Private Shared Function DwmDefWindowProc(ByVal hWnd As IntPtr, ByVal msg As Integer, ByVal wParam As IntPtr, ByVal lParam As IntPtr, ByRef plResult As IntPtr)
End Function

User-Defined Types:

None.

Alternative Managed API:

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Notes:

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Sample Code:

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Documentation