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Called by the framework when the Taskbar tab thumbnail should process the WM_MOUSEACTIVATE message.

virtual int OnTaskbarTabThumbnailMouseActivate(
   CWnd* pDesktopWnd,
   UINT nHitTest,
   UINT message


Specifies a pointer to the top-level parent window of the window being activated. The pointer may be temporary and should not be stored.


Specifies the hit-test area code. A hit test is a test that determines the location of the cursor.


Specifies the mouse message number.

The default implementation activates the related MDI child frame.

Header: afxmdichildwndex.h

© 2015 Microsoft