c#下实现ping操作代码

2015/05/20 44798

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c#下实现ping操作代码
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.
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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());
　}
　}