.net 获取路径

1. Environment.GetFolderPath(Environment.SpecialFolder)

Environment.SpecialFolder.ApplicationFolder即为Roaming文件夹的路径

2. Environment.GetEnvironmentVariable(string)

可遍历支持的类型：

foreach (DictionaryEntry de in Environment.GetEnvironmentVariables())

                {

                    Console.WriteLine("  {0} = {1}", de.Key, de.Value);

                }

类型：

 

Path = D:\Program Files\Sun\OPhone SDK\tools;D:\Program Files\Sun\android-sdk-windows-1.5_r2\tools;D:\Program

 

Files\Sun\SDK\jdk\bin;D:\Program Files\Sun\SDK\jdk\jre\bin;E:\oracle\ora92\bin;C:\Program Files\Oracle\jre\1.3.1\bin;C:\Program

 

Files\Oracle\jre\1.1.8\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Intel\DMIX;C:\Program

 

Files\Microsoft SQL Server\90\Tools\binn\;D:\Program Files\CodeSmith\v5.0\;D:\Program Files\Symantec\pcAnywhere\;C:\Program

 

Files\Ixia\IxChariot;D:\Program Files\Sun\SDK\bin;

  TEMP = C:\DOCUME~1\gmj\LOCALS~1\Temp

  SESSIONNAME = Console

  PATHEXT = .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH

  USERDOMAIN = EVER62

  PROCESSOR_ARCHITECTURE = x86

  SystemDrive = C:

  APPDATA = C:\Documents and Settings\gmj\Application Data

  JSERV = E:\oracle\ora92/Apache/Jserv/conf

  windir = C:\WINDOWS

  _ACP_INCLUDE = D:\Program Files\Microsoft Visual Studio 8\VC\include;D:\Program Files\Microsoft Visual Studio 8

 

\VC\atlmfc\include;D:\Program Files\Microsoft Visual Studio 8\VC\PlatformSDK\include;D:\Program Files\Microsoft Visual Studio 8

 

\SDK\v2.0\include

  TMP = C:\DOCUME~1\gmj\LOCALS~1\Temp

  USERPROFILE = C:\Documents and Settings\gmj

  ProgramFiles = C:\Program Files

  FP_NO_HOST_CHECK = NO

  HOMEPATH = \Documents and Settings\gmj

  COMPUTERNAME = EVER62

  _ACP_PATH = D:\Program Files\Microsoft Visual Studio 8\VC\bin;D:\Program Files\Microsoft Visual Studio 8

 

\VC\PlatformSDK\bin;D:\Program Files\Microsoft Visual Studio 8\Common7\Tools\bin;D:\Program Files\Microsoft Visual Studio 8

 

\Common7\tools;D:\Program Files\Microsoft Visual Studio 8\Common7\ide;C:\Program Files\HTML Help Workshop;D:\Program

 

Files\Microsoft Visual Studio 8\SDK\v2.0\bin;C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727;D:\Program Files\Microsoft Visual

 

Studio 8\;D:\Program Files\Microsoft Visual Studio 8\\SDK\v2.0\bin;C:\WINDOWS\SysWow64;D:\Program Files\Microsoft Visual Studio

 

8\Team Tools\Static Analysis Tools\FxCop\;D:\Program Files\Sun\OPhone SDK\tools;D:\Program Files\Sun\android-sdk-windows-1.5_r2

 

\tools;D:\Program Files\Sun\SDK\jdk\bin;D:\Program Files\Sun\SDK\jdk\jre\bin;E:\oracle\ora92\bin;C:\Program

 

Files\Oracle\jre\1.3.1\bin;C:\Program Files\Oracle\jre\1.1.8\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32

 

\Wbem;C:\Program Files\Intel\DMIX;C:\Program Files\Microsoft SQL Server\90\Tools\binn\;D:\Program Files\CodeSmith\v5.0

 

\;D:\Program Files\Symantec\pcAnywhere\;C:\Program Files\Ixia\IxChariot;D:\Program Files\Sun\SDK\bin;

  USERNAME = gmj

  NUMBER_OF_PROCESSORS = 2

  PROCESSOR_IDENTIFIER = x86 Family 6 Model 23 Stepping 6, GenuineIntel

  _ACP_LIB = D:\Program Files\Microsoft Visual Studio 8\VC\lib;D:\Program Files\Microsoft Visual Studio 8

 

\VC\atlmfc\lib;D:\Program Files\Microsoft Visual Studio 8\VC\atlmfc\lib\i386;D:\Program Files\Microsoft Visual Studio 8

 

\VC\PlatformSDK\lib;D:\Program Files\Microsoft Visual Studio 8\SDK\v2.0\lib;D:\Program Files\Microsoft Visual Studio 8

 

\;D:\Program Files\Microsoft Visual Studio 8\lib

  WecVersionForRosebud.DA8 = 2

  SystemRoot = C:\WINDOWS

  ComSpec = C:\WINDOWS\system32\cmd.exe

  LOGONSERVER = http://www.cnblogs.com/xinyuxin912/***

  VS80COMNTOOLS = D:\Program Files\Microsoft Visual Studio 8\Common7\Tools\

  _ACP_ATLPROV = D:\Program Files\Microsoft Visual Studio 8\VC\Bin\ATLProv.dll

  WV_GATEWAY_CFG = E:\oracle\ora92\Apache\modplsql\cfg\wdbsvr.app

  CommonProgramFiles = C:\Program Files\Common Files

  PROCESSOR_LEVEL = 6

  PROCESSOR_REVISION = 1706

  CLIENTNAME = Console

  ALLUSERSPROFILE = C:\Documents and Settings\All Users

  VS90COMNTOOLS = D:\Program Files\Microsoft Visual Studio 9.0\Common7\Tools\

  OS = Windows_NT

  HOMEDRIVE = C: