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现在是:北京时间 2016/4/14 上午11:50:51 星期四

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实现ping操作
发布于:第八基地 来源:duote 作者:天堂路上 时间:2016-04-11 点击:305

  这里我写的是一个窗体程序。首先添加textbox,listbox,button控件,其中textbox录入域名或IP,listbox显示结果.

  在button1_click事件键入

  private void button1_Click(object sender, EventArgs e)

  {

  Ping p1 = new Ping(); //只是演示,没有做错误处理

  PingReply reply = p1.Send(this.textBox1.Text);//阻塞方式 displayReply(reply); //显示结果 } private void displayReply(PingReply reply) //显示结果

  {

  StringBuilder sbuilder ;

  if (reply.Status == IPStatus.Success)

  {

  sbuilder = new StringBuilder();

  sbuilder.Append(string.Format("Address: {0} ", reply.Address.ToString ()));

  sbuilder.Append(string.Format("RoundTrip time: {0} ", reply.RoundtripTime));

  sbuilder.Append(string.Format("Time to live: {0} ", reply.Options.Ttl));

  sbuilder.Append(string.Format("Don't fragment: {0} ", reply.Options.DontFragment));

  sbuilder.Append(string.Format("Buffer size: {0} ", reply.Buffer.Length));

  listBox1.Items.Add(sbuilder.ToString());

  }

  }[nextpage]

  也可以做异步的处理,修改button1_click,并添加PingCompletedCallBack方法

  private void button1_Click(object sender, EventArgs e)

  {

  Ping p1 = new Ping();

  p1.PingCompleted += new PingCompletedEventHandler(this.PingCompletedCallBack);//设置PingCompleted事件处理程序

  p1.SendAsync(this.textBox1.Text, null);

  }

  private void PingCompletedCallBack(object sender, PingCompletedEventArgs e)

  {

  if (e.Cancelled)

  {

  listBox1.Items.Add("Ping Canncel");

  return;

  }

  if (e.Error != null)

  {

  listBox1.Items.Add(e.Error.Message);

  return;

  }

  StringBuilder sbuilder;

  PingReply reply = e.Reply;

  if (reply.Status == IPStatus.Success)

  {

  sbuilder = new StringBuilder();

  sbuilder.Append(string.Format("Address: {0} ", reply.Address.ToString()));

  sbuilder.Append(string.Format("RoundTrip time: {0} ", reply.RoundtripTime));

  sbuilder.Append(string.Format("Time to live: {0} ", reply.Options.Ttl));

  sbuilder.Append(string.Format("Don't fragment: {0} ", reply.Options.DontFragment));

  sbuilder.Append(string.Format("Buffer size: {0} ", reply.Buffer.Length));

  listBox1.Items.Add(sbuilder.ToString());

  }

  }

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