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GetTopWindow info  Overview  Group

The GetTopWindow function examines the Z order of the child windows associated with the specified parent window and retrieves the handle of the child window at the top of the Z order.

HWND GetTopWindow(

    HWND hWnd 

// handle of parent window

   );

Parameters

hWnd
Identifies the parent window whose child windows are to be examined. If this parameter is NULL, the function returns a handle of the window at the top of the Z order.

Return Values

If the function succeeds, the return value is the handle of the child window at the top of the Z order. If the specified window has no child windows, the return value is NULL. To get extended error information, use the GetLastError function.

See Also

GetNextWindow, GetWindow

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