protected unsafe void EnableActionSetLevel()
        {
            iCallbackSetLevel = new CallbackSetLevel(DoSetLevel);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceZappOrgTestDimmableLight1EnableActionSetLevel(iHandle, iCallbackSetLevel, ptr);
        }
 static extern void DvServiceZappOrgTestDimmableLight1EnableActionSetLevel(uint aHandle, CallbackSetLevel aCallback, IntPtr aPtr);