Re: [PATCH 0/4] MR9822: Fix possible EA launcher hangs.

[Nikolay Sivov (＠nsivov)]

Nikolay Sivov (@nsivov) commented about dlls/comctl32/commctrl.c:
> static const WCHAR strCC32SubclassInfo[] = L"CC32SubclassInfo";
>
> +static struct
> +{
> +    const WCHAR *name;
> +    void (*fn_register)(void);
> +    void (*fn_after_unregister)(void);
> +    BOOL registered;

With this flag we now have same thing tracked in two places - registered classes are tracked by win32u/server atoms. What happens if class is registered implicitly with RegisterClassNameW(), then unregistered by the user. Should this hook register it again, or it stays permanently broken?

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9822#note_126067