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There can never be a parent/child relationship between windows if one of

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them is invalid. Fixes bug #217.

svn path=/trunk/; revision=8998
This commit is contained in:
Gé van Geldorp 2004-04-07 08:25:40 +00:00
parent 4783e5bae8
commit c44ac169e6
1 changed files with 6 additions and 1 deletions
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7
reactos/lib/user32/windows/window.c
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@ -1,4 +1,4 @@
/* $Id: window.c,v 1.105 2004/04/02 23:54:26 weiden Exp $
/* $Id: window.c,v 1.106 2004/04/07 08:25:40 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS user32.dll
@ -1018,6 +1018,11 @@ BOOL STDCALL
IsChild(HWND hWndParent,
HWND hWnd)
{
if (! IsWindow(hWndParent) || ! IsWindow(hWnd))
{
return FALSE;
}
do
{
hWnd = (HWND)NtUserGetWindowLong(hWnd, GWL_HWNDPARENT, FALSE);