C# Ping的例子，可用于测试网络，延迟xx毫秒 C#编写网站测速

C#编写网站测速

WebClient wcl = new WebClient();

Stopwatch spwatch = new Stopwatch();

spwatch.Start();

byte[] resultBytes = wcl.DownloadData(new Uri(textBox1.Text));

spwatch.Stop();

MessageBox.Show(spwatch.Elapsed.ToString());

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Net.NetworkInformation;

namespace PingExample

{

    public partial class Form1 : Form

    {

        #region 设计

        /// <summary>

        /// 必需的设计器变量。

        /// </summary>

        private System.ComponentModel.IContainer components = null;

        /// <summary>

        /// 清理所有正在使用的资源。

        /// </summary>

        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>

        protected override void Dispose(bool disposing)

        {

            if (disposing && (components != null))

            {

                components.Dispose();

            }

            base.Dispose(disposing);

        }

        #region Windows 窗体设计器生成的代码

        /// <summary>

        /// 设计器支持所需的方法 - 不要

        /// 使用代码编辑器修改此方法的内容。

        /// </summary>

        private void InitializeComponent()

        {

            this.label1 = new System.Windows.Forms.Label();

            this.label2 = new System.Windows.Forms.Label();

            this.txt_IPAddress = new System.Windows.Forms.TextBox();

            this.lst_PingResult = new System.Windows.Forms.ListBox();

            this.btn_StartPing = new System.Windows.Forms.Button();

            this.SuspendLayout();

            //

            // label1

            //

            this.label1.AutoSize = true;

            this.label1.Location = new System.Drawing.Point(, );

            this.label1.Name = "label1";

            this.label1.Size = new System.Drawing.Size(, );

            this.label1.TabIndex = ;

            this.label1.Text = "远程主机IP：";

            //

            // label2

            //

            this.label2.AutoSize = true;

            this.label2.Location = new System.Drawing.Point(, );

            this.label2.Name = "label2";

            this.label2.Size = new System.Drawing.Size(, );

            this.label2.TabIndex = ;

            this.label2.Text = "测试结果：";

            //

            // txt_IPAddress

            //

            this.txt_IPAddress.Location = new System.Drawing.Point(, );

            this.txt_IPAddress.Name = "txt_IPAddress";

            this.txt_IPAddress.Size = new System.Drawing.Size(, );

            this.txt_IPAddress.TabIndex = ;

            //

            // lst_PingResult

            //

            this.lst_PingResult.FormattingEnabled = true;

            this.lst_PingResult.ItemHeight = ;

            this.lst_PingResult.Location = new System.Drawing.Point(, );

            this.lst_PingResult.Name = "lst_PingResult";

            this.lst_PingResult.Size = new System.Drawing.Size(, );

            this.lst_PingResult.TabIndex = ;

            //

            // btn_StartPing

            //

            this.btn_StartPing.Location = new System.Drawing.Point(, );

            this.btn_StartPing.Name = "btn_StartPing";

            this.btn_StartPing.Size = new System.Drawing.Size(, );

            this.btn_StartPing.TabIndex = ;

            this.btn_StartPing.Text = "Ping";

            this.btn_StartPing.UseVisualStyleBackColor = true;

            this.btn_StartPing.Click += new System.EventHandler(this.btn_StartPing_Click);

            //

            // Form1

            //

            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);

            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

            this.ClientSize = new System.Drawing.Size(, );

            this.Controls.Add(this.btn_StartPing);

            this.Controls.Add(this.lst_PingResult);

            this.Controls.Add(this.txt_IPAddress);

            this.Controls.Add(this.label2);

            this.Controls.Add(this.label1);

            this.Name = "Form1";

            this.Text = "ping 类的用法";

            this.ResumeLayout(false);

            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.Label label1;

        private System.Windows.Forms.Label label2;

        private System.Windows.Forms.TextBox txt_IPAddress;

        private System.Windows.Forms.ListBox lst_PingResult;

        private System.Windows.Forms.Button btn_StartPing;

        #endregion

        public Form1()

        {

            InitializeComponent();

        }

        private void btn_StartPing_Click(object sender, EventArgs e)

        {

            this.lst_PingResult.Items.Clear();

            //远程服务器IP

            string ipStr = txt_IPAddress.Text.ToString().Trim();

            //构造Ping实例

            Ping pingSender = new Ping();

            //Ping 选项设置

            PingOptions options = new PingOptions();

            options.DontFragment = true;

            //测试数据

            string data = "";

            byte[] buffer = Encoding.ASCII.GetBytes(data);

            //设置超时时间

            int timeout = ;

            //调用同步 send 方法发送数据,将返回结果保存至PingReply实例

            PingReply reply = pingSender.Send(ipStr, timeout, buffer, options);

            if (reply.Status == IPStatus.Success)

            {

                lst_PingResult.Items.Add("答复的主机地址：" + reply.Address.ToString());

                lst_PingResult.Items.Add("往返时间：" + reply.RoundtripTime);

                lst_PingResult.Items.Add("生存时间（TTL）：" + reply.Options.Ttl);

                lst_PingResult.Items.Add("是否控制数据包的分段：" + reply.Options.DontFragment);

                lst_PingResult.Items.Add("缓冲区大小：" + reply.Buffer.Length);

            }

            else

                lst_PingResult.Items.Add(reply.Status.ToString());

        }

    }

}