back reading bstr.CopyTo(&dispparams.rgvarg[i].bstrVal); dispparams.rgvarg[i].vt = VT_BSTR; } dispparams.cNamedArgs = 0; EXCEPINFO excepInfo; memset(&excepInfo, 0, sizeof excepInfo); CComVariant vaResult; UINT nArgErr = (UINT)-1; // initialize to invalid arg hr = pScript->Invoke(dispid,IID_NULL,0,DISPATCH_METHOD,&dispparams,&vaResult,&excepInfo,&nArgErr);