System.Environment.GetFolderPath函数中未开放的枚举参数
System.Environment.GetFolderPath函数可以通过Environment.SpecialFolder枚举参数获取系统特定的目录，比如桌面，我的文档，收藏夹等..但是有部分参数.NetFrameWork2.0并未开放，比如AllUser用户的这些特殊目录。我们可以通过windowsApi函数SHGetFolderPath来获取，如果你能通过Reflector看一下FrameWork代码就明白了。代码如下：
<div style="padding: 4px 5.4pt; width: 95%;">http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifusingSystem;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifusingSystem.Collections.Generic;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifusingSystem.Text;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifusingSystem.Runtime.InteropServices;
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/None.gifnamespaceConsoleApplication1
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http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifclassProgram
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif"shfolder.dll",CharSet=CharSet.Auto)]
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifinternalstaticexternintSHGetFolderPath(IntPtrhwndOwner,intnFolder,IntPtrhToken,intdwFlags,StringBuilderlpszPath);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifstaticvoidMain(string[]args)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.giffor(inti=0;i<=255;i++)
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockStart.gifhttp://images.csdn.net/syntaxhighlighting/OutliningIndicators/ContractedSubBlock.gif...{
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifStringBuilderlpszPath=newStringBuilder(260);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifSHGetFolderPath(IntPtr.Zero,i,IntPtr.Zero,0,lpszPath);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gif
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifConsole.WriteLine(i.ToString()+":"+lpszPath);
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/InBlock.gifConsole.Read();
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedSubBlockEnd.gif}
http://images.csdn.net/syntaxhighlighting/OutliningIndicators/ExpandedBlockEnd.gif}
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