发现Environment 与 appdomain的区别

用environment获取路径

2009-11-26 03:37:56:781 INFO 121.32.25.246 c:\windows\system32\inetsrv 

用appdomain获取路径
2009-11-26 03:37:56:781 INFO 121.32.25.246 D:\wwwroot\citibox\wwwroot\