protected unsafe void EnableActionGetBinary()
        {
            iCallbackGetBinary = new CallbackGetBinary(DoGetBinary);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceZappOrgTestBasic1EnableActionGetBinary(iHandle, iCallbackGetBinary, ptr);
        }
 static extern void DvServiceZappOrgTestBasic1EnableActionGetBinary(uint aHandle, CallbackGetBinary aCallback, IntPtr aPtr);