winex11.drv: Avoid copying invalid window bits.

7864ade5 · Dmitry Timoshkov · Alexandre Julliard · c912af04 · 7864ade5
Commit 7864ade5 authored Sep 14, 2010 by Dmitry Timoshkov Committed by Alexandre Julliard Sep 14, 2010
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window.c dlls/winex11.drv/window.c +2 -0

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--- 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 );