Re: [PATCH v2 0/6] MR8960: mshtml: Implement XDomainRequest.

[Jacek Caban (＠jacek)]

Jacek Caban (@jacek) commented about dlls/mshtml/xmlhttprequest.c:
> IHTMLXMLHttpRequest2 IHTMLXMLHttpRequest2_iface;
>      IWineXMLHttpRequestPrivate IWineXMLHttpRequestPrivate_iface;
>      IProvideClassInfo2 IProvideClassInfo2_iface;
> +    IHTMLXDomainRequest IHTMLXDomainRequest_iface;  /* only for XDomainRequests */

I think repurposing the object like that is confusing, while saving very little code compared to properly splitting the data types. We could move all fields except the *_iface ones into a common base struct. XDR could then simply be: `struct { struct xhr xhr; IHTMLXDomainRequest IHTMLXDomainRequest_iface; }`.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/8960#note_115997