Re: [PATCH 0/10] MR3796: mshtml: Implement a unified QueryInterface on the dispex, part 4.

[Jacek Caban (＠jacek)]

Jacek Caban (@jacek) commented about dlls/mshtml/dispex.c:
>  return S_OK;
>
> }
>
> +static HRESULT query_typeinfo_interface(DispatchEx *This, const func_info_t *func, void **ppv)
> +{
> - if(This->info->desc->vtbl->query_interface) {
> -
>    *ppv = This->info->desc->vtbl->query_interface(This, tid_ids[func->tid]);
> -
>    if(*ppv) {
> -
>        IUnknown_AddRef((IUnknown*)*ppv);
> -
>        return S_OK;
> -
>    }
> - }
> -
> - return E_NOINTERFACE;
>
> +}
> -

Why do you need it, isn't calling regular `QueryInterface` on This object essentially the same?