Call this method to create a connection between the CComPtrBase's connection point and a client's sink.
HRESULT Advise( IUnknown* pUnk, const IID& iid, LPDWORD pdw ) throw( );
A pointer to the client's IUnknown.
The GUID of the connection point. Typically, this is the same as the outgoing interface managed by the connection point.
A pointer to the cookie that uniquely identifies the connection.
Returns S_OK on success, or an error HRESULT on failure.
See AtlAdvise for more information.