访问win2000 Active directory信息的代码

using System;
using System.DirectoryServices;  

namespace ActiveDirectory
{

  /// <summary>
  /// Summary description for Class1.
  /// </summary>

class Class1
  {
    static void Main (string[] args)
    {
        //Note : microsoft is the name of my domain for testing purposes.
        DirectoryEntry entry = new DirectoryEntry("LDAP://microsoft");
        System.DirectoryServices.DirectorySearcher mySearcher = new
        System.DirectoryServices.DirectorySearcher(entry);
        mySearcher.Filter = ("(objectClass=*)");
        Console.WriteLine("Active Directory Information"); 
        Console.WriteLine("===========================================");   
 

       foreach(System.DirectoryServices.SearchResult resEnt
                  in mySearcher.FindAll())
        {
        Console.WriteLine( resEnt.GetDirectoryEntry().Name.ToString() );
        Console.WriteLine( resEnt.GetDirectoryEntry().Path.ToString() );
        Console.WriteLine( resEnt.GetDirectoryEntry().NativeGuid.ToString() );
      Console.WriteLine("===========================================");         
  }
     }
   }
}