protected unsafe void EnableActionSetTarget()
        {
            iCallbackSetTarget = new CallbackSetTarget(DoSetTarget);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceUpnpOrgSwitchPower1EnableActionSetTarget(iHandle, iCallbackSetTarget, ptr);
        }
 static extern void DvServiceUpnpOrgSwitchPower1EnableActionSetTarget(uint aHandle, CallbackSetTarget aCallback, IntPtr aPtr);