OpenHome.Net.Runner.PollInvoke C# (CSharp) Method

        private void PollInvoke()
        {
            iActionPollStop = new Semaphore(0, 1);
            System.Timers.Timer timer = new System.Timers.Timer();
            timer.Elapsed += TimerElapsed;
            timer.AutoReset = false;
            for (int i=0; i<iDeviceList.Count; i++)
            {
                ControlPoint.ICpDevice device = iDeviceList[i];
                uint countBefore = iActionCount;
                Console.Write("Device " + device.Udn());
                iConnMgr = new ControlPoint.Proxies.CpProxyUpnpOrgConnectionManager1(device);
                uint version = iConnMgr.Version();
                if (version < 1 || version > 4) // arbitrarily chosen upper bound
                {
                    Console.WriteLine("\n\tERROR: service version reported as " + version);
                }
                iActionPollStopTime = DateTime.Now.AddMilliseconds(kDevicePollMs);
                timer.Interval = kDevicePollMs;
                timer.Enabled = false;
                timer.Enabled = true;
                for (int j=0; j<4; j++)
                {
                    iConnMgr.BeginGetProtocolInfo(GetProtocolInfoComplete);
                }
                iActionPollStop.WaitOne();
                Console.Write("    " + (iActionCount - countBefore) + "\n");
                iConnMgr.Dispose();
                lock (this)
                {
                    iExpectedSink = null;
                }
            }
        }