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-rw-r--r--vcl/source/window/stacking.cxx2
1 files changed, 2 insertions, 0 deletions
diff --git a/vcl/source/window/stacking.cxx b/vcl/source/window/stacking.cxx
index 8f2e7bbea7d0..bd1c0949401b 100644
--- a/vcl/source/window/stacking.cxx
+++ b/vcl/source/window/stacking.cxx
@@ -438,6 +438,8 @@ void Window::ImplHideAllOverlaps()
void Window::ToTop( ToTopFlags nFlags )
{
+ if (!mpWindowImpl)
+ return;
ImplStartToTop( nFlags );
ImplFocusToTop( nFlags, IsReallyVisible() );