Ping ,C#检测网络上的IP地址的可靠性

using System.Net;
using System.Net.NetworkInformation;

namespace xumh
{
    class MyApp
    {
        public static void Main()
        {
            PingReply reply = new Ping().Send("127.0.0.1");
            if(reply.Status == IPStatus.Success)
                System.Console.WriteLine("Ping successfully.");
            else
                System.Console.WriteLine("Ping failure.");
        }
    };
}