C#判断ip地址是否ping的通

在使用时，先引用 using System.Net.NetworkInformation;

Ping pingSender = new Ping();
            PingReply reply = pingSender.Send("127.0.0.1");
            if (reply.Status == IPStatus.Success)
            {
                MessageBox.Show("OK");
            }
            else {
                MessageBox.Show("NO");
            }