Dmitry Timoshkov : winex11.drv: Avoid copying invalid window bits.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7864ade5a8306c0078e16ae6d7e40bdece29395b
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7864ade5a8306c0078e16ae6d7...

Author: Dmitry Timoshkov 
Date:   Tue Sep 14 14:24:11 2010 +0900

winex11.drv: Avoid copying invalid window bits.

---

dlls/winex11.drv/window.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
index 3c0f303..ec9bec2 100644
--- a/dlls/winex11.drv/window.c
+++ b/dlls/winex11.drv/window.c
@@ -1615,6 +1615,8 @@ static void move_window_bits( struct x11drv_win_data *data, const RECT *old_rect
         hdc_src = hdc_dst = GetDCEx( data->hwnd, 0, DCX_CACHE );
     }

+    ExcludeUpdateRgn( hdc_dst, data->hwnd );
+
     code = X11DRV_START_EXPOSURES;
     ExtEscape( hdc_dst, X11DRV_ESCAPE, sizeof(code), (LPSTR)&code, 0, NULL );