c# 对windows用户和组操作实例

代码如下:using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.DirectoryServices;namespace JH.Framework.Security{    ///     /// 计算机用户和组操作类    ///     public class UserAndGroupHelper    {        private static readonly string PATH = “WinNT://” + Environment.Machi