using?System;
using?System.Windows.Forms;
using?System.Net;
using?System.IO;

namespace?簡易瀏覽器
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????//獲取輸入的URL
????????????string?url?=?textBox1.Text;

????????????//創(chuàng)建http鏈接
????????????//HttpWebRequest對象實(shí)例:該類用于獲取和操作HTTP請求?var可改成HttpWebRequest
????????????var?request?=?（HttpWebRequest）WebRequest.Create（url）;?//Create:創(chuàng)建WebRequest對象

????????????//HttpWebResponse對象實(shí)例:該類用于獲取和操作HTTP應(yīng)答?var可改成HttpWebResponse
????????????var?response?=?（HttpWebResponse）request.GetResponse（）;?//GetResponse:獲取答復(fù)

????????????//構(gòu)造數(shù)據(jù)流對象實(shí)例
????????????Stream?stream?=?response.GetResponse