protected unsafe void EnableActionSetMultiple()
        {
            iCallbackSetMultiple = new CallbackSetMultiple(DoSetMultiple);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceZappOrgTestBasic1EnableActionSetMultiple(iHandle, iCallbackSetMultiple, ptr);
        }
 static extern void DvServiceZappOrgTestBasic1EnableActionSetMultiple(uint aHandle, CallbackSetMultiple aCallback, IntPtr aPtr);