Re: [PATCH 0/2] MR8447: comctl32/listview: Test WM_PAINT with a subclassed header that paints without...

[Nikolay Sivov (＠nsivov)]

On Fri Jun 27 08:39:01 2025 +0000, Zhiyi Zhang wrote:
> I added that message sequence to show that the header is painted before
> WM_ERASEBKGND for the listview. Without the sequence, it might seem
> there are other possibilities. For example, the BeginPaint(listview)
> could be ahead of UpdateWindow(header), or maybe no WM_ERASEBKGND should
> be sent. Even if it remains a todo after the fix, I think it provides
> some insight about how it's supposed to work. So I would like to keep it
> if that's okay.

I see, so validating header rect reduces following erase region and preserves rendered header?