Visual Studio 2012
Call this function to establish a connection between a source, specified by pUnkSrc, and a sink, specified by pUnkSink.
BOOL AFXAPI AfxConnectionAdvise( LPUNKNOWN pUnkSrc, REFIID iid, LPUNKNOWN pUnkSink, BOOL bRefCount, DWORD FAR* pdwCookie );
//CMySink is a CCmdTarget-derived class supporting automation. //Instantiate the sink class. CMySink mysink; //Get a pointer to sink's IUnknown, no AddRef done. IID iid = IID_IUnknown; IUnknown* pUnkSink = mysink.GetInterface(&iid); //Establish a connection between source and sink. //pUnkSrc is IUnknown of server obtained by CoCreateInstance(). //dwCookie is a cookie identifying the connection, and is needed //to terminate this connection. AfxConnectionAdvise(pUnkSrc, IID_ISampleSink, pUnkSink, FALSE, &dwCookie);