[User32]

- ReactOS uses DCX_KEEPCLIPRGN to prevent the deletion of regions so user support can manage them. Comctl32 depends on this since it does not delete the regions after calling DefWindowProc.

svn path=/trunk/; revision=45665

reactos/dll/win32/user32/windows/nonclient.c

@@ -489,6 +489,7 @@ DefWndNCPaint(HWND hWnd, HRGN hRgn, BOOL Active)
    }
 
    ReleaseDC(hWnd, hDC);
+   DeleteObject(hRgn); // We use DCX_KEEPCLIPRGN
 
    return 0;
 }