Re: [PATCH 1/2] windowscodecs: Improve compatibility of IMILBitmapSource interface.

[Dmitry Timoshkov]

"Vincent Povirk (they/them)"  wrote:
> static HRESULT WINAPI IMILUnknown1Impl_QueryInterface(IMILUnknown1
> *iface, REFIID iid,
>      void **ppv)
>  {
> - BitmapImpl *This = impl_from_IMILUnknown1(iface);
> -
> - TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
> -
> - if (!ppv) return E_INVALIDARG;
> -
> - if (IsEqualIID(&IID_IUnknown, iid))
> - {
> -
>    IUnknown_AddRef(&This->IMILUnknown1_iface);
> -
>    *ppv = iface;
> -
>    return S_OK;
> - }
> -
> - return IWICBitmap_QueryInterface(&This->IWICBitmap_iface, iid, ppv);
> - FIXME("(%p,%s,%p): stub\n", iface, debugstr_guid(iid), ppv);
> - *ppv = NULL;
> - return E_NOINTERFACE;
>
> }
>
> Why are we removing this? Does native violate COM rules by not
> returning an interface for IUnknown?

According to the test app that I have here that's how it behaves.