Find which MFC child window would receive a mouse click

Posted by tfinniga on Stack Overflow See other posts from Stack Overflow or by tfinniga
Published on 2010-05-19T17:02:39Z Indexed on 2010/05/19 17:10 UTC
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Filed under:

win32

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mfc

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mouse

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mouseevent

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hook

So, I have a plugin to an MFC program. I'm using a mouse event hook (from SetWindowsHookEx) to capture clicks. The host application can have any number of (possibly overlapping) child windows open, but I only want to intercept clicks in a particular child window.

Is there a way to figure out in the hook proc which of the child windows would process the click? I guess it's something like enumerate all child windows, looking at Z-order, but I'm very unfamiliar with the MFC/Win32 libraries, and I'm not able to find any good discussion about how to enumerate all children and calculate which is topmost.

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