Re: [PATCH v2 0/5] MR11012: win32u: Implement real class name for static window class.

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/user32/static.c:
> LONG style = full_style & SS_TYPEMASK;
>
> if (!IsWindow( hwnd )) return 0;
> +    NtUserSetWindowFNID( hwnd, MAKE_FNID(NTUSER_WNDPROC_STATIC) );
>
> switch (uMsg)

I recall this was depending on WM_NCCREATE, if you don't pass it to original procedure this class type won't be set. I don't know if it's worth replicating, unless SetWindowFNID is for some reason expensive to call on every message.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/11012#note_141503