Enumeration in C#

Unlike the variables discussed thus far, an enumeration is not a type in itself but a special form of a value type. An enumeration is derived from System.Enum and supplies names for values. The underlying type that an enumeration represents must be a byte, short, int, or long.
Each field within an enumeration is static and represents a constant.

To declare an enumeration, you must provide the keyword enum followed by the name of the enumeration. Then you must provide an opening bracket followed by a list of the enumeration strings, and end with a closing bracket, as shown in the following example:

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication2

{

class Program

{