using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Net;
using?System.IO;
using?System.Threading;

namespace?DownLoadHttp
{
????public?partial?class?Form1?:?Form
????{
????????
????????public?Form1（）
????????{
????????????//防止線程間操作無效
????????????//如果不寫，會產生:?
????????????//線程間操作無效:?從不是創建控件“btnDown”的線程訪問它。
????????????//因為控件的創建在另外一個線程。
????????????Control.CheckForIllegalCrossThreadCalls?=?false;
????????????InitializeComponent（）;
????????????this.txtSrcAddress.Text?=?@“http://www.100-try.com/soft/Viewdll.rar“;
????????????this.txtTarAddress.Text?=?@“D:“;
????????}

????????private?void?btnDown_Click（object?sender?EventArgs?e）
????????{
????????????Thread?th?=?new?Thread（new?ThreadStart（this.StartDownLoad））;
????????????th.Start（）;
????????}

????????private?void?StartDownLoad（）
????????{

????????????this.btnDown.Enabled?=?false;
????????????this.statusBar.Text?=?“正在下載...“;
????????????//要下載的文件http地址
????????????//例如:（http://www.YourSiteAddress.com/SoftWare/Soft1.rar）
　　????????string?url?=?this.txtSrcAddress.Text;

????????????//截取文件名稱
????????????int?n?=?url.LastIndexOf（‘/‘）;
????????????string?fileName?=?url.Substring（n?+?1?url.Length?-?n?-?1）;

????????????//保存的路徑+\文件名
　　????????string?dir?=?this.txtTarAddress.Text;
　　????????string?filepath?=?dir+“\\“+fileName;

???????????HttpDownLoad?httpDownLoad?=?new?HttpDownLoad（）;

????????????httpDownLoad.httpDownFile（urlfilepath?this.toolStripProgressBar?this.toolStripStatusLabel）;
???????????

????????????this.btnDown.Enabled?=?true;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????12288??2009-10-09?16:09??DownLoadHttp\bin\Debug\DownLoadHttp.exe

?????文件??????30208??2009-10-09?16:09??DownLoadHttp\bin\Debug\DownLoadHttp.pdb

?????文件??????14328??2009-10-09?16:13??DownLoadHttp\bin\Debug\DownLoadHttp.vshost.exe

?????文件????????490??2007-07-21?01:33??DownLoadHttp\bin\Debug\DownLoadHttp.vshost.exe.manifest

?????文件????????828??2009-10-09?11:19??DownLoadHttp\bin\Debug\test.txt

?????文件?????493568??2009-10-09?14:28??DownLoadHttp\bin\Debug\Viewdll.exe

?????文件?????202351??2009-10-09?15:04??DownLoadHttp\bin\Debug\viewdll.rar

?????文件??????29696??2009-10-09?14:31??DownLoadHttp\bin\Debug\單項制作規范.doc

?????文件???????3399??2009-10-09?16:13??DownLoadHttp\DownLoadHttp.csproj

?????文件????????913??2009-10-09?16:13??DownLoadHttp\DownLoadHttp.sln

????..A..H.?????10240??2009-10-09?16:13??DownLoadHttp\DownLoadHttp.suo

?????文件???????1894??2009-10-09?16:09??DownLoadHttp\Form1.cs

?????文件???????6065??2009-10-09?16:09??DownLoadHttp\Form1.Designer.cs

?????文件???????6011??2009-10-09?16:09??DownLoadHttp\Form1.resx

?????文件???????5604??2009-10-09?16:08??DownLoadHttp\HttpDownLoad.cs

?????文件????????647??2009-10-09?16:13??DownLoadHttp\obj\Debug\DownLoadHttp.csproj.FileListAbsolute.txt

?????文件????????847??2009-10-09?16:09??DownLoadHttp\obj\Debug\DownLoadHttp.csproj.GenerateResource.Cache

?????文件??????12288??2009-10-09?16:09??DownLoadHttp\obj\Debug\DownLoadHttp.exe

?????文件????????180??2009-10-09?16:09??DownLoadHttp\obj\Debug\DownLoadHttp.Form1.resources

?????文件??????30208??2009-10-09?16:09??DownLoadHttp\obj\Debug\DownLoadHttp.pdb

?????文件????????180??2009-10-09?15:41??DownLoadHttp\obj\Debug\DownLoadHttp.Properties.Resources.resources

?????文件????????473??2009-10-09?09:45??DownLoadHttp\Program.cs

?????文件???????1368??2009-10-09?09:45??DownLoadHttp\Properties\AssemblyInfo.cs

?????文件???????2874??2009-10-09?09:45??DownLoadHttp\Properties\Resources.Designer.cs

?????文件???????5612??2009-10-09?09:45??DownLoadHttp\Properties\Resources.resx

?????文件???????1097??2009-10-09?09:45??DownLoadHttp\Properties\Settings.Designer.cs

?????文件????????249??2009-10-09?09:45??DownLoadHttp\Properties\Settings.settings

?????目錄??????????0??2009-10-09?16:12??DownLoadHttp\obj\Debug\Refactor

?????目錄??????????0??2009-10-09?16:12??DownLoadHttp\obj\Debug\TempPE

?????目錄??????????0??2009-10-09?16:12??DownLoadHttp\bin\Debug

............此處省略8個文件信息