作者：未知 来源：月光软件站 加入时间：2005-2-28　月光软件站

using System;
class EnumExample
{
 public enum TimeOfDay :int
 {
  Morning=0,
  Afternoon=1,
  Evening=2
 }

public static int Main()
{
WriteGreeting(TimeOfDay.Morning);
return 0;
}

 static void WriteGreeting(TimeOfDay timeOfDay)
 {
  switch(timeOfDay)
  {
   case TimeOfDay.Morning:
    Console.WriteLine("Good morning!");
    break;
   case TimeOfDay.Afternoon:
    Console.WriteLine("Good afternoon");
    break;
   case TimeOfDay.Evening:
    Console.WriteLine("Good evening!");
    break;
   default:
    Console.WriteLine("Hello");
    break;
  }
 }}

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