async public void PingHostAsync()
        {
            try
            {
                var pingTask = Task.Run(() =>
                {
                    Uri myUri = new Uri(Host);

                    clsRollingAverage pingLatency    = new clsRollingAverage(10);
                    clsRollingAverage pingPacketLoss = new clsRollingAverage(10);

                    try
                    {
                        using (var pinger = new Ping())
                        {
                            for (var f = 0; f < 10; f++)
                            {
                                PingReply reply = pinger.Send(myUri.Host, 2000);

                                if (reply.Status == IPStatus.Success)
                                {
                                    pingPacketLoss.Add((int)reply.RoundtripTime);
                                    pingPacketLoss.Add(0);
                                    Program.SendAlert($"Ping {myUri.Host} {reply.RoundtripTime:0} ms  {pingPacketLoss.CurrentAverage:0.0}%");
                                }
                                else
                                {
                                    pingPacketLoss.Add(100);
                                    Program.SendAlert($"Ping {myUri.Host} {reply.Status} ms  {pingPacketLoss.CurrentAverage:0.0}%");
                                }
                            }
                        }
                    }
                    catch (PingException ex)
                    {
                        Program.SendAlert($"Ping error {myUri.Host} {ex.Message}");
                    }
                });
            }
            catch (Exception ex)
            {
                Program.SendAlert($"Ping error {Name} {ex.Message}");
            }
        }