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

[Dmitry Timoshkov (＠dmitry)]

On Fri Oct  4 15:00:28 2024 +0000, Nikolay Sivov wrote:
> What does this fix visually? I guess the question is does this happen in
> any situation already, or some specific use case triggers this.

Visually listview erases parts of other windows of the same parent in winecfg.

As described in the commit message this was spotted during testing of the CS_PARENTDC patches. It looks like this bug was overlooked probably because current painting code in Wine doesn't trigger it.