Changing the Underlying Type of an enum

When you declare an enum, by default each enumerated value is represented internally with an int.  (System.Int32 – 4 bytes).  But you can use any of the following types: byte, sbyte, short, ushort, uint, long, or ulong.

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public enum Mood { Crabby, Happy, Petulant, Elated };   // type is int   public enum MoodByte : byte { Crabby, Happy, Petulant, Elated };   static void Main() {     // 4 bytes     Console.WriteLine("Each element is {0} bytes", sizeof(Mood));       // 1 byte     Console.WriteLine("Each element is {0} bytes", sizeof(MoodByte)); }

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