可用于检测网络畅通情况

 

using System.Net;using System.Net.NetworkInformation; namespace PING{    class Program    {        static void Main(string[] args)        {            Console.WriteLine("请输入IP");            string str = Console.ReadLine();             Console.WriteLine(ping(str));            Console.ReadLine();        }        public  static bool ping(string ip)        {            Ping pingip = new Ping();            PingOptions options = new PingOptions();            options.DontFragment = true;            string data = "Test Data";             byte[] bytes = Encoding.ASCII.GetBytes(data);            int timeout = 1000;            PingReply replay = pingip.Send(ip, timeout, bytes, options);            if(replay.Status==IPStatus.Success)            {                return true;            }            else            {                return false;            }        }    }}