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Don't return NULL regions from DceGetVisRgn.

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svn path=/trunk/; revision=17945
This commit is contained in:
Filip Navara 2005-09-20 10:29:05 +00:00
parent 1dc1b56c2f
commit 0bec9aee61
1 changed files with 3 additions and 4 deletions
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7
reactos/subsys/win32k/ntuser/windc.c
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@ -63,6 +63,9 @@ DceGetVisRgn(PWINDOW_OBJECT Window, ULONG Flags, HWND hWndChild, ULONG CFlags)
0 != (Flags & DCX_CLIPCHILDREN),
0 != (Flags & DCX_CLIPSIBLINGS));
if (VisRgn == NULL)
VisRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
return VisRgn;
}
@ -266,10 +269,6 @@ DceUpdateVisRgn(DCE *Dce, PWINDOW_OBJECT Window, ULONG Flags)
DcxFlags = Flags & ~(DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN | DCX_WINDOW);
}
hRgnVisible = DceGetVisRgn(Parent, DcxFlags, Window->hSelf, Flags);
if (hRgnVisible == NULL)
{
hRgnVisible = NtGdiCreateRectRgn(0, 0, 0, 0);
}
}
else if (Window == NULL)
{