using System;

      enum Color:byte{ 

          Red, 

          Green, 

          Blue, 

          Orange 

      } 

class Program
{
  static void Main()
  {
    string[] ss = Enum.GetNames (typeof(Color)); 
    byte  [] bb = (byte[])Enum.GetValues(typeof(Color)); 
    for (int i = 0; i < ss.Length; i++)
    {
      Console.WriteLine("{0,10}: {1}", ss[i], bb[i]);
    }
  }
}
/* 程序输出：
       Red: 0
     Green: 1
      Blue: 2
    Orange: 3
*/

------解决方案--------------------
C# code
    foreach (byte i in (byte[])Enum.GetValues(typeof(Color)))
    {
      Console.WriteLine("{0,10}: {1}", (Color)i, i);
    }