PingIP地址

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.NetworkInformation;

namespace MyNewsReader.Demo
{
    public partial class PingDemoForm : Form
    {
        public PingDemoForm()
        {
            InitializeComponent();
        }

        private void btnPing_Click(object sender, EventArgs e)
        {
            Ping pingSender = new Ping();
            PingReply reply = pingSender.Send(txtIP.Text);

            if (reply.Status == IPStatus.Success)
            {
                string message = string.Format("地址: {0} 连接测试成功!", txtIP.Text);
                MessageBox.Show(message);
            }
            else
            {
                string message = string.Format("地址: {0} 连接测试失败!", txtIP.Text);
                MessageBox.Show(message);
            }
        }
    }
}