static void Main(string[] args)  {   MyComputer myNotebook = new MyComputer();   myNotebook.ComputerInfo();   Console.ReadKey();  }  public class MyComputer  {   private string Domain;   private string No;   private string User;   private string[] Drives;   private string OS;   private Version Version;   private int ProcessorCount;   public string Name   {    get    {     return this.No;    }   }   public MyComputer()   {    this.User = System.Environment.UserName;    this.No = System.Environment.MachineName;    this.Domain = System.Environment.UserDomainName;    this.Drives = System.Environment.GetLogicalDrives();    this.OS = System.Environment.OSVersion.ToString();    this.Version = System.Environment.Version;    this.ProcessorCount = System.Environment.ProcessorCount;   }   public void ComputerInfo()   {    Console.WriteLine("當前電腦所在的域名：{0}", Domain);    Console.WriteLine("當前電腦的用戶是：{0}", User);    Console.WriteLine("當前電腦的名字是：{0}", No);    Console.WriteLine("當前電腦的操作系統版本：{0}", OS);    Console.WriteLine("當前電腦的系統版本：{0}", Version);    Console.WriteLine("當前電腦的處理器個數：{0}", ProcessorCount);    Console.WriteLine("當前電腦的驅動器有：");    foreach (var item in Drives)    {     Console.WriteLine("{0}驅動器下的目錄有：", item);     Console.WriteLine("=========================================================");     string[] d = Directory.GetDirectories(item);     foreach (var d1 in d)     {      Console.WriteLine(d1);     }    }   }  }