Enumerations - Illustrated C# 2005 - page 304

This code produces the following output:

Option settings:
Use Single Deck - True
Use Large Pictures - False
Use Fancy Numbers - True
Show Animation - True

More About Enums
Enums only have a single member type: the declared member constants.

￿ There are no modifiers that can be used with the members. They all implicitly have the

same accessibility as the enum.

￿ Since the members are constants, they are accessible even if there are no variables of the

enum type. Use the enum type name, followed by a dot and the member name.

For example, the following code does not create any variables of the enum type
TrafficLight , but the members are accessible, and can be printed out using WriteLine .

static void Main()
{
Console.WriteLine("{0}", TrafficLight.Green);
Console.WriteLine("{0}", TrafficLight.Yellow);
Console.WriteLine("{0}", TrafficLight.Red);
} ↑ ↑
Enum name Member name

An enum is a distinct type. Comparing enum members of different enum types results in a
compile-time error. For example, the following code declares two enum types.

￿The irst if statement is fine because it compares different members from the same
enum type.

￿The second if statement produces an error because it compares members from differ-
ent enum types.