protected unsafe void EnableActionIncrement()
        {
            iCallbackIncrement = new CallbackIncrement(DoIncrement);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceZappOrgTestBasic1EnableActionIncrement(iHandle, iCallbackIncrement, ptr);
        }
 static extern void DvServiceZappOrgTestBasic1EnableActionIncrement(uint aHandle, CallbackIncrement aCallback, IntPtr aPtr);