user32: Make sure the system params DC cannot be deleted.

1fa15f3d · Alexandre Julliard · a4644f12 · 1fa15f3d
Commit 1fa15f3d authored May 05, 2009 by Alexandre Julliard
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sysparams.c dlls/user32/sysparams.c +5 -1

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--- a/dlls/user32/sysparams.c
+++ b/dlls/user32/sysparams.c
@@ -710,7 +710,11 @@ static inline HDC get_display_dc(void)
 {
    static const WCHAR DISPLAY[] = {'D','I','S','P','L','A','Y',0};
    static HDC display_dc;
-    if (!display_dc) display_dc = CreateICW( DISPLAY, NULL, NULL, NULL );
+    if (!display_dc)
+    {
+        display_dc = CreateICW( DISPLAY, NULL, NULL, NULL );
+        __wine_make_gdi_object_system( display_dc, TRUE );
+    }
    return display_dc;
 }