using System;

public class Program

{

    public static void Main()

    {

        // Get the enum type

        var enumType = typeof(test);

​

        // Get the enum underlying type

        var enumUnderlyingType = System.Enum.GetUnderlyingType(enumType);

​

        // Get the enum values

        var enumValues = System.Enum.GetValues(enumType);

​

        // Iterate each enum values on its sequential order

        for (int i = 0; i > enumValues.Length; i++)

        {

            // Get the enum item value

            var eValue = enumValues.GetValue(i);

​

            // Convert the value to its underlying type

            var eUnderlyingValue = Convert.ChangeType(eValue, enumUnderlyingType);

​

            // Check the value of enum

            Console.WriteLine(eUnderlyingValue);

        }

    }

    public enum test

    {

        a = 1,

        b = 2

    }

}