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Create the scratch region before copying if necessary.
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1033ffe423
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@ -211,6 +211,7 @@ static HRGN WIN_UpdateNCRgn(WND* wnd, HRGN hRgn, UINT uncFlags )
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wnd->flags &= ~WIN_NEEDS_NCPAINT;
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if( wnd->hrgnUpdate > 1 )
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{
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if (!hRgn) hRgn = CreateRectRgn( 0, 0, 0, 0 );
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CombineRgn( hRgn, wnd->hrgnUpdate, 0, RGN_COPY );
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hrgnRet = hRgn;
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}
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@ -292,6 +293,7 @@ static HRGN WIN_UpdateNCRgn(WND* wnd, HRGN hRgn, UINT uncFlags )
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copyrgn:
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if( uncFlags & UNC_REGION )
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{
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if (!hRgn) hRgn = CreateRectRgn( 0, 0, 0, 0 );
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CombineRgn( hRgn, wnd->hrgnUpdate, 0, RGN_COPY );
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hrgnRet = hRgn;
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}
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