protected unsafe void EnableActionGetCount()
        {
            iCallbackGetCount = new CallbackGetCount(DoGetCount);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceZappOrgTestLights1EnableActionGetCount(iHandle, iCallbackGetCount, ptr);
        }
 static extern void DvServiceZappOrgTestLights1EnableActionGetCount(uint aHandle, CallbackGetCount aCallback, IntPtr aPtr);