unsafe HRESULT IVBGetControl.EnumControls(OLECONTF dwOleContF, GC_WCH dwWhich, out IEnumUnknown ppenum) { Debug.WriteLineIf(AxHTraceSwitch.TraceVerbose, "in EnumControls"); ppenum = host.GetParentContainer().EnumControls(host, dwOleContF, dwWhich); return(HRESULT.S_OK); }