using System;

public class Program

{

    private enum Test

    {

        Zero,

        One,

        Two

    }

    public static void Main()

    {

        object enumValue = 1;

        Type enumType = typeof(Test);

        Console.WriteLine((enumValue as Enum) == null);

        Console.WriteLine(Enum.Parse(enumType, enumValue.ToString()) as Enum);

    }

}