[PATCH 0/1] MR6617: comctl32: Use correct clipping region when handling themed WM_NCPAINT in listview.

[Dmitry Timoshkov (＠dmitry)]

Same calculation is used in the DefWindowProc() handler. This also fixes handling of region == 1: GetDCEx(hwnd, 1, DCX_INTERSECTRGN) won't work.

Probably same fix is needed for other comctl32 themed controls.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6617