using System; 
 using System.DirectoryServices; //要增加此DLL文件 
  
  
 private void button3_Click(object sender, System.EventArgs e) 
   { 
    try 
    { 
     DirectoryEntry AD = new DirectoryEntry("WinNT://" + 
      Environment.MachineName + ",computer"); 
     DirectoryEntry NewUser = AD.Children.Add("TestUser1", "user"); //帐号 
     NewUser.Invoke("SetPassword", new object[] {"#12345Abc"}); // 密码 
     NewUser.Invoke("Put", new object[] {"Description", "Test User from .NET"}); 
     NewUser.CommitChanges(); 
     DirectoryEntry grp; 
  
     grp = AD.Children.Find("Guests", "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(); 
  
    } 
   }