Re: CoCreateInstance inside a COM dll?

 Donos <>
Fri, 24 Aug 2007 19:32:52 -0000
I changed the COM code like this,

STDMETHOD GetMyInterface(IMyInterface** pMyInterface)
HRESULT hr = QueryInterface(__uuidof(IMyInterface));


And also the Client code like this,

IMyInterface** pInterface;
HRESULT hr = m_pFirstInterface->GetMyInterface(&pInterface);


After this am still getting the Unhandled Exception ERROR.

Another thing is the interfaces are inherited here,


interface IFirstInterface : IUnknown{};

interface ISecondInterface : IFirstInterface {};

interface IMyInterface : ISecondInterface {};

interface ITopInterface : IUnknown {};

interface IClientInterface : ITopInterface {};

This is the inheritance structure of interfaces in COM IDL file.

I am trying to QueryInterface the IMyInterface from inside

Hope this helps in getting a better understanding of what am trying

So any guesses about the error am getting?

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