C# AD域操作

namespace ADTest
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                DirectoryEntry AD = new DirectoryEntry("WinNT:// " +
                Environment.MachineName + ",computer ");
                DirectoryEntry NewUser = AD.Children.Add("hjg ", "user ");   //帐号   
                NewUser.Invoke("SetPassword ", new object[] { "1234" });   //   密码   
                NewUser.Invoke("Put ", new object[] { "Description ", "管理计算机(域)的内置帐户 " });
                NewUser.CommitChanges();
                DirectoryEntry grp;

                grp = AD.Children.Find("Administrators ", "group ");
                if (grp != null) { grp.Invoke("Add ", new object[] { NewUser.Path.ToString() }); }
                Console.WriteLine("Account   Created   Successfully ");
                Console.ReadLine();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                Console.ReadLine();

            }
        }
    }
}