7898     HRGN hrgn2 = CreateRectRgn( 0, 0, 0, 0 );  in test_paint_messages()  local
7913     SetRectRgn( hrgn2, 20, 20, 30, 30 );  in test_paint_messages()
7914     ret = RedrawWindow( hwnd, NULL, hrgn2, RDW_INVALIDATE );  in test_paint_messages()
7916     CombineRgn( hrgn, hrgn, hrgn2, RGN_OR );  in test_paint_messages()
7980     ret = GetUpdateRgn( hwnd, hrgn2, FALSE );  in test_paint_messages()
7990     ret = GetUpdateRgn( hwnd, hrgn2, FALSE );  in test_paint_messages()
7997     SetRectRgn( hrgn2, rect.left, rect.top, rect.right, rect.bottom );  in test_paint_messages()
7998 …ok(RedrawWindow(0, NULL, hrgn2, RDW_ALLCHILDREN | RDW_INVALIDATE | RDW_FRAME | RDW_ERASE | RDW_ERA…  in test_paint_messages()
8249     SetRectRgn( hrgn2, 10, 10, 50, 50 );  in test_paint_messages()
8250     CombineRgn( hrgn, hrgn, hrgn2, RGN_DIFF );  in test_paint_messages()
8518     DeleteObject( hrgn2 );  in test_paint_messages()