public void TestSetDatatypes01() { //Testing --- int[] arrHSrv = new int[1]; System.Runtime.InteropServices.VarEnum[] arrVT = new System.Runtime.InteropServices.VarEnum[1]; arrVT[0] = System.Runtime.InteropServices.VarEnum.VT_EMPTY; int[] arrErr = null; //Test Procedure Call bool b = group.SetDatatypes(arrHSrv, arrVT, out arrErr); }