怎样测试IP 是否在

测试IP代码

        TextBox2.Text = ""; //需要测试的IP
        Ping pingSender = new Ping(); //创建PING实例

        // 为设置PING参数
        PingOptions options = new PingOptions();
        options.DontFragment = true;
        string data = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
        byte[] buffer = Encoding.ASCII.GetBytes(data);
        int timeout = 120;

 

 

        PingReply reply = pingSender.Send(TextBox1.Text, timeout, buffer, options);
        if (reply.Status == IPStatus.Success)
        {

            //获取相关网络连接信息
            TextBox2.Text += "Address:" + reply.Address.ToString() + "/r/n";
            TextBox2.Text += "RoundTrip time:" + reply.RoundtripTime + "/r/n";
            TextBox2.Text += "Time to live:" + reply.Options.Ttl + "/r/n";
            TextBox2.Text += "Don't fragment:" + reply.Options.DontFragment + "/r/n";
            TextBox2.Text += "Buffer size:" + reply.Buffer.Length + "/r/n";
        }
        else
        {
            TextBox2.Text = "无法连接！";
        }