HRESULT Invoke( DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARMS* pdispparams, VARIANT* pvarResult, EXCEPINFO* pexcepinfo, UINT* puArgErr );
See IDispatch::Invoke in the Platform SDK.
Remarks
This implementation of IDispatch::Invoke calls the event handlers listed in the event sink map.