c#ping IP是否可通讯

 1 static void Main(string[] args)
 2         {
 3             string host = "192.168.1.110";
 4             Ping p1 = new Ping();
 5             PingReply reply = p1.Send(host); //发送主机名或Ip地址
 6             StringBuilder sbuilder;
 7             if (reply.Status == IPStatus.Success)
 8             {
 9                 sbuilder = new StringBuilder();
10                 sbuilder.AppendLine(string.Format("Address: {0} ", reply.Address.ToString()));
11                 sbuilder.AppendLine(string.Format("RoundTrip time: {0} ", reply.RoundtripTime));
12                 sbuilder.AppendLine(string.Format("Time to live: {0} ", reply.Options.Ttl));
13                 sbuilder.AppendLine(string.Format("Don't fragment: {0} ", reply.Options.DontFragment));
14                 sbuilder.AppendLine(string.Format("Buffer size: {0} ", reply.Buffer.Length));
15                 Console.WriteLine(sbuilder.ToString());
16             }
17             else if (reply.Status == IPStatus.TimedOut)
18             {
19                 Console.WriteLine("超时");
20             }
21             else
22             {
23                 Console.WriteLine("失败");
24             }
25             Console.ReadKey();
26         }