using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Net;
using?System.Collections;
using?System.IO;
using?System.xml;

namespace?Common
{
????public?class?AppUpdate
????{
????????private?string?_updaterUrl;

????????public?string?UpdaterUrl
????????{
????????????set?{?_updaterUrl?=?value;?}
????????????get?{?return?this._updaterUrl;?}
????????}

????????public?void?DownAutoUpdateFile（string?downLoadPath）
????????{
????????????if?（!System.IO.Directory.Exists（downLoadPath））
????????????????System.IO.Directory.CreateDirectory（downLoadPath）;
????????????string?serverxmlFile?=?downLoadPath?+?@“/UpdateList.xml“;
????????????try
????????????{
????????????????WebRequest?request?=?WebRequest.Create（_updaterUrl）;
????????????????WebResponse?response?=?request.GetResponse（）;
????????????????if?（response.ContentLength?>?0）
????????????????{
????????????????????WebClient?client?=?new?WebClient（）;
????????????????????client.DownloadFile（this._updaterUrl?serverxmlFile）;
????????????????}
????????????}
????????????catch?
????????????{
????????????????return;
????????????}
????????}

????????public?int?CheckForUpdate（string?serverxmlFile?string?localxmlFile?out?Hashtable?updateFileList）
????????{
????????????updateFileList?=?new?Hashtable（）;
????????????if?（!File.Exists（localxmlFile）?||?!File.Exists（serverxmlFile））
????????????{
????????????????return?-1;
????????????}

????????????xmlFiles?serverxmlFiles?=?new?xmlFiles（serverxmlFile）;
????????????xmlFiles?localxmlFiles?=?new?xmlFiles（localxmlFile）;

????????????xmlNodeList?newNodeList?=?serverxmlFiles.GetNodeList（“AutoUpdater/Files“）;
????????????xmlNodeList?oldNodeList?=?localxmlFiles.GetNodeList（“AutoUpdater/Files“）;//5+1+a+s+p+x

????????????int?k?=?0;
????????????for?（int?i?=?0;?i?????????????{
????????????????string[]?fileList?=?new?string[3];

????????????????string?newFileName?=?newNodeList.Item（i）.Attributes[“Name“].Value.Trim（）;
????????????????string?newVer?=?newNodeList.Item（i）.Attributes[“Ver“].Value.Trim（）;

????????????????ArrayList?oldFileAl?=?new?ArrayList（）;
????????????????for?（int?j?=?0;?j?????????????????{
????????????????????string?oldFileName?=?oldNodeList.Item（j）.Attributes[“Name“].Value.Trim（）;
????????????????????string?oldVer?=?oldNodeList.Item（j）.Attributes[“Ver“].Value.Trim（）;

????????????????????oldFileAl.Add（oldFileName）;
????????????????????oldFileAl.Add（oldVer）;

????????????????}
????????????????int?pos?=?oldFileAl.IndexOf（newFileName）;
????????????????if?（pos?==?-1）
????????????????{
????????????????????fileList[0]?=?newFileName;
????????????????????fileList[1]?=?newVer;
????????????????????updateFileList.Add（k?fileList）;
????????????????????k++;
????????????????}
????????????????else?if?（pos?>?-1?&&?newVer.CompareTo（oldFileAl[pos?+?1].ToString（））?>?0）
????????????????{
????????????????????file

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

?????文件???????3230??2008-03-22?14:02??Common\AppUpdate.cs

?????文件??????11264??2010-08-30?09:24??Common\bin\Debug\Common.dll

?????文件??????32256??2010-08-30?09:24??Common\bin\Debug\Common.pdb

?????文件???????5632??2010-08-30?09:24??Common\bin\Debug\Model.dll

?????文件??????19968??2010-08-30?09:24??Common\bin\Debug\Model.pdb

?????文件??????10752??2008-03-29?09:21??Common\bin\Release\Common.dll

?????文件??????38400??2008-03-29?09:21??Common\bin\Release\Common.pdb

?????文件???????5632??2010-08-21?08:37??Common\bin\Release\Model.dll

?????文件??????19968??2010-08-21?08:36??Common\bin\Release\Model.pdb

?????文件???????3879??2008-03-25?15:31??Common\Comm.cs

?????文件???????2949??2008-03-22?12:24??Common\Common.csproj

?????文件???????4892??2008-03-22?10:31??Common\ExtractIcon.cs

?????文件???????2922??2010-08-30?11:14??Common\obj\Debug\Common.csproj.FileListAbsolute.txt

?????文件??????11264??2010-08-30?09:24??Common\obj\Debug\Common.dll

?????文件??????32256??2010-08-30?09:24??Common\obj\Debug\Common.pdb

?????文件???????6656??2008-03-25?17:02??Common\obj\Debug\Refactor\Common.dll

?????文件???????3657??2010-08-30?11:14??Common\obj\Debug\ResolveAssemblyReference.cache

?????文件???????1608??2008-03-25?15:13??Common\obj\Release\Common.csproj.FileListAbsolute.txt

?????文件??????10752??2008-03-29?09:21??Common\obj\Release\Common.dll

?????文件??????38400??2008-03-29?09:21??Common\obj\Release\Common.pdb

?????文件???????6656??2010-08-18?22:35??Common\obj\Release\Refactor\Common.dll

?????文件???????4755??2008-03-29?09:16??Common\obj\Release\ResolveAssemblyReference.cache

?????文件???????1436??2008-03-11?16:27??Common\Properties\AssemblyInfo.cs

?????文件???????1198??2008-03-16?09:36??Common\SerializeClass.cs

?????文件???????1965??2008-03-25?15:31??Common\xmlFiles.cs

?????文件???????5632??2010-08-30?09:24??Model\bin\Debug\Model.dll

?????文件??????19968??2010-08-30?09:24??Model\bin\Debug\Model.pdb

?????文件???????5632??2010-08-21?08:37??Model\bin\Release\Model.dll

?????文件??????19968??2010-08-21?08:36??Model\bin\Release\Model.pdb

?????文件????????527??2008-03-25?17:03??Model\BookMark.cs

............此處省略290個文件信息