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
{
static void
Main(string[] args)
{
int MyInteger = (int)Pizza.Supreme
+ (int)Pizza.MeatLovers
+ (int)Pizza.CheeseLovers
+ (int)Pizza.Vegetable;
Console.WriteLine("Total
enum value is " + MyInteger);
Console.ReadLine();
}
public enum
Pizza
{
Supreme = 2,
MeatLovers = 3,
CheeseLovers = 4,
Vegetable = 5,
}
}
}