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-rw-r--r--vcl/source/window/window.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/vcl/source/window/window.cxx b/vcl/source/window/window.cxx
index f2acdef3c24d..8c9c30f5cf9a 100644
--- a/vcl/source/window/window.cxx
+++ b/vcl/source/window/window.cxx
@@ -2319,7 +2319,7 @@ void Window::ImplCalcOverlapRegion( const Rectangle& rSourceRect, Region& rRegio
}
while ( pWindow );
}
- if ( !pWindow->mpWindowImpl->mbFrame )
+ if ( pWindow && !pWindow->mpWindowImpl->mbFrame )
{
aTempRegion = aRegion;
aTempRegion.Exclude( Rectangle( Point( 0, 0 ), Size( mpWindowImpl->mpFrameWindow->mnOutWidth, mpWindowImpl->mpFrameWindow->mnOutHeight ) ) );