Re: [PATCH v2 0/5] MR4092: user32: Actually implement RealGetWindowClass{A/W}.

[Esme Povirk (＠madewokherd)]

On Sat Oct 14 02:21:51 2023 +0000, Jinoh Kang wrote:
> This code path is not tested, so it's not clear if this behavior matches
> that of Windows (current and future versions).
> You should either test that cross-process NtUserSetRealClassId always
> fails, or convert the ERR to FIXME:
>     if (!win) return FALSE;
>     if (win == WND_OTHER_PROCESS || win == WND_DESKTOP)
>     {
>         FIXME("Can't set real window class for a window belonging to
> another process\n");
>         return FALSE;
>     }

Depending on whether any of the builtin winprocs tolerate being called on another process's window, it may not be possible to test.