Re: determine invalid window process

"X. Zhang" <XZhang@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:84630312-7D18-475E-84D7-0CD4E3063CC0@xxxxxxxxxxxxxxxx
Thanks, expvb.
I tried IsWindowVisible(hwnd), but it always returned 0, even if the main
window was visible.
I even tried lRet = GetWindowLong(hwnd, GWL_STYLE), and then check the
value
of (lRet And WS_VISIBLE). It's 0 too, even when the main window was
visible.
So weird.
Any ideas?

IsWindow() should tell if the handle is a valid hWnd. It's possible that the
window has width and height of 0, or moved off screen. Use Spy++ to see the
screen coordinates. If you don't have Spy++, use this free alternative:

http://www.windows-spy.com



.

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