Re: WaitFor Function for Dialog / Window

"William DePalo [MVP VC++]" <>
Fri, 15 Jun 2007 19:41:09 -0400
"Trecius" <> wrote in message

I've looked at the thread and process for the foreign application's main
window and the dialog box I have an interest in, but both are same, so I
can't just wait for the process. I can think of one method to solve my
problem by injecting a new window procedure. However, this is lengthy,
I'm not in the mood to implement it. Is there any other solution besides

HWND hwnd;
 hwnd = FindWindowEx(...);
} while (hwnd);

An option is to plant a hook, a computer-based training (CBT) hook works
well. Since you don't own the window the hook procedure needs to reside in a
DLL. Check the docs for SetWindowsHookEx(WH_CBT, ...). You'll get a
notification everytime a window is destroyed - your mission is to inspect
those notifications and react to the one which corresponds to the dialog you
need to spy on.

Also be mindful of the corner case in which the dialog is destroyed after
you get its handle but before you have planted the hook.


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