操作活动目录Active Directory

（MSDN 的System.DirectoryServices）
添加System.DirectoryServices.dll引用 

using System;
 using System.DirectoryServices;public class ADRead {
     public static void Main(String[] args) {
         if(args.Length!=1) {
             Console.WriteLine("用法：" + Environment.GetCommandLineArgs()[0] + " <ad_path>");
             Console.WriteLine ();
             Console.WriteLine ("按 Enter 键继续...");
             Console.ReadLine();
             return;
         }        DirectoryEntry objDirEnt=new DirectoryEntry(args[0]);
         Console.WriteLine("名称            = " + );
         Console.WriteLine("路径            = " + objDirEnt.Path);
         Console.WriteLine("架构类别名称 = " + objDirEnt.SchemaClassName);
         Console.WriteLine("");
         Console.WriteLine("属性：:");        foreach(String Key in objDirEnt.Properties.PropertyNames) {
             Console.Write("\t{0} = ", Key);
             Console.WriteLine("");
             foreach(Object objValue in objDirEnt.Properties[Key]) {
                 Console.WriteLine("\t\t{0}", objValue);
             }
         }
     }
 }
  
 using System;
 using System.DirectoryServices;public class ADWrite {
     public static void Main(String[] args) {
         if ( args.Length!=3 ) {
             Console.WriteLine("用法：" + Environment.GetCommandLineArgs()[0] + " <ad_path> <property> <value>");
             Console.WriteLine ();
             Console.WriteLine ("按 Enter 键继续...");
             Console.ReadLine();
             return;
         }        DirectoryEntry objDirEnt = new DirectoryEntry(args[0]);
         Console.WriteLine("名称            = " + );
         Console.WriteLine("路径            = " + objDirEnt.Path);
         Console.WriteLine("架构类别名称 = " + objDirEnt.SchemaClassName);
         Console.WriteLine(args[1] + " = " + (objDirEnt.Properties[args[1]][0]).ToString());
         Console.WriteLine("... 正在更改为 ");
         (objDirEnt.Properties[args[1]])[0] = args[2];
         objDirEnt.CommitChanges();
         Console.WriteLine(args[1] + " = " + (objDirEnt.Properties[args[1]][0]).ToString());
     }
 }