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.IO;
using?System.Net;

namespace?DownloadProgressBar
{
	public?partial?class?Form1?:?Form
	{
		public?Form1（）
		{
			InitializeComponent（）;
		}

		private?void?backgroundWorker1_DoWork（object?sender?DoWorkEventArgs?e）
		{
????????????//判斷是否取消操作?
????????????if?（backgroundWorker1.CancellationPending）
????????????{
????????????????e.Cancel?=?true;
????????????????return;
????????????}?
????????????
????????????//?the?URL?to?download?the?file?from
			string?sUrlToReadFileFrom?=?textBoxSourceFile.Text;
			//?the?path?to?write?the?file?to
			int?iLastIndex?=?sUrlToRead

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

?????文件????????187??2015-07-25?21:00??DownloadProgressBar\DownloadProgressBar\App.config

?????文件??????13312??2015-07-26?15:01??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar.exe

?????文件????????187??2015-07-25?21:00??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar.exe.config

?????文件??????28160??2015-07-26?15:01??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar.pdb

?????文件??????22984??2015-07-26?15:01??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar.vshost.exe

?????文件????????187??2015-07-25?21:00??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar.vshost.exe.config

?????文件????????490??2009-08-31?00:40??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar.vshost.exe.manifest

?????文件??????11776??2015-07-25?20:58??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar1.exe

?????文件??????22016??2015-07-25?20:58??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar1.pdb

?????文件??????21464??2015-07-25?20:58??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar1.vshost.exe

?????文件????????490??2009-08-31?00:40??DownloadProgressBar\DownloadProgressBar\bin\Debug\DownloadProgressBar1.vshost.exe.manifest

?????文件???????3817??2015-07-25?21:35??DownloadProgressBar\DownloadProgressBar\DownloadProgressBar.csproj

?????文件???????4921??2015-07-26?15:01??DownloadProgressBar\DownloadProgressBar\Form1.cs

?????文件???????7180??2015-07-26?14:26??DownloadProgressBar\DownloadProgressBar\Form1.Designer.cs

?????文件???????6019??2015-07-26?14:26??DownloadProgressBar\DownloadProgressBar\Form1.resx

?????文件???????1500??2015-07-25?21:02??DownloadProgressBar\DownloadProgressBar\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6991??2015-07-26?12:52??DownloadProgressBar\DownloadProgressBar\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????2109??2015-07-26?15:01??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar.csproj.FileListAbsolute.txt

?????文件????????975??2015-07-26?14:26??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar.csproj.GenerateResource.Cache

?????文件???????2143??2015-07-26?13:51??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar.csprojResolveAssemblyReference.cache

?????文件??????13312??2015-07-26?15:01??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar.exe

?????文件????????180??2015-07-26?14:26??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar.Form1.resources

?????文件??????28160??2015-07-26?15:01??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar.pdb

?????文件????????180??2015-07-26?13:08??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar.Properties.Resources.resources

?????文件????????694??2015-07-25?20:58??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar1.csproj.FileListAbsolute.txt

?????文件????????847??2015-07-25?20:58??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar1.csproj.GenerateResource.Cache

?????文件??????11776??2015-07-25?20:58??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar1.exe

?????文件??????22016??2015-07-25?20:58??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar1.pdb

?????文件????????180??2015-07-25?20:58??DownloadProgressBar\DownloadProgressBar\obj\Debug\DownloadProgressBar1.Properties.Resources.resources

?????文件??????????0??2015-07-25?21:00??DownloadProgressBar\DownloadProgressBar\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

............此處省略23個文件信息