如何遍历一个枚举

Question

using System;public class EnumTest {
    enum Days { Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday };    public static void Main() {        Type weekdays = typeof(Days);        Console.WriteLine("The days of the week, and their corresponding values in the Days Enum are:");        foreach ( string s in Enum.GetNames(weekdays) )
            Console.WriteLine( "{0,-11}= {1}", s, Enum.Format( weekdays, Enum.Parse(weekdays, s), "d"));
    }
}