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- Fix CurrentWnd when it has a NULL, see Bug 3527.

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svn path=/trunk/; revision=34550
This commit is contained in:
James Tabor 2008-07-16 16:12:44 +00:00
parent 2557cd7a1e
commit 816777c79a
1 changed files with 1 additions and 1 deletions
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2
reactos/subsystems/win32/win32k/ntuser/vis.c
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@ -69,7 +69,7 @@ VIS_ComputeVisibleRegion(
while (CurrentWindow)
{
CurrentWnd = CurrentWindow->Wnd;
if (!(CurrentWnd->Style & WS_VISIBLE))
if (!(CurrentWnd) || !(CurrentWnd->Style & WS_VISIBLE))
{
NtGdiDeleteObject(VisRgn);
return NULL;