protected unsafe void EnableActionEthernetLinkConnected()
        {
            iCallbackEthernetLinkConnected = new CallbackEthernetLinkConnected(DoEthernetLinkConnected);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceLinnCoUkComponent1EnableActionEthernetLinkConnected(iHandle, iCallbackEthernetLinkConnected, ptr);
        }
 static extern void DvServiceLinnCoUkComponent1EnableActionEthernetLinkConnected(uint aHandle, CallbackEthernetLinkConnected aCallback, IntPtr aPtr);