Enum description attribute

using System;
using System.ComponentModel;
using System.Linq;
using System.Reflection;

namespace EnumPlay
{
    enum Position
    {
        [Description("Last line of defence, always crazy")]
        Goalie = 0,

        [Description("Big fast and love getting stuck in")]
        Defender,

        [Description("Play makers and tough tacklers")]
        Midfielder,

        [Description("Goalscorer for the team")]
        Forward
    }

    public static class EnumExtensions
    {
        public static string GetDescription(this Enum value)
        {
            FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
            DescriptionAttribute attribute = Attribute.GetCustomAttribute(fieldInfo, typeof(DescriptionAttribute)) as DescriptionAttribute;
            return attribute == null ? value.ToString() : attribute.Description;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            OutputValues();
            OutputNames();
            OutputDescriptions();
        }

        private static void OutputValues()
        {
            Console.WriteLine("Values");

            var values = Enum.GetValues(typeof(Position));

            foreach (int value in values) 
            {
                Console.WriteLine("\t{0}", value);
            }

            Console.WriteLine();
        }

        private static void OutputNames()
        {
            Console.WriteLine("Names");

            var names = Enum.GetNames(typeof(Position));

            foreach (string name in names)
            {
                Console.WriteLine("\t{0}", name);
            }

            Console.WriteLine();
        }


        private static void OutputDescriptions()
        {
            Console.WriteLine("Descriptions");

            var enums = Enum.GetValues(typeof(Position)).Cast<Position>(); ;

            foreach (Position item in enums)
            {
                var description = item.GetDescription();
                Console.WriteLine("\t{0}", description);
            }

            Console.WriteLine();
        }
    }
}

Silverlight's missing methods

public static class Enums
{
    //EXAMPLE USAGE:  
    //      string[] names = Enums.GetNames<Position>();
    public static string[] GetNames<T>()
    {
        var type = typeof(T);

        if (!type.IsEnum) throw new ArgumentException("Type '" + type.Name + "' is not an enum");

        return (from field in type.GetFields(BindingFlags.Public | BindingFlags.Static)
                where field.IsLiteral
                select field.Name).ToArray();
    }

    // EXAMPLE USAGE:  
    //      Position[] values = Enums.GetValues<Position>();
    public static T[] GetValues<T>()
    {
        var type = typeof(T);

        if (!type.IsEnum) throw new ArgumentException("Type '" + type.Name + "' is not an enum");

        return (from field in type.GetFields(BindingFlags.Public | BindingFlags.Static)
                where field.IsLiteral
                select (T)field.GetValue(null)).ToArray();
    }
        
    // EXAMPLE USAGE:
    //      Position position = Position.Goalie;
    //      string description = position.GetDescription();
    public static string GetDescription(this Enum e)
    {
        FieldInfo fieldInfo = e.GetType().GetField(e.ToString());
        DescriptionAttribute attribute = Attribute.GetCustomAttribute(fieldInfo, typeof(DescriptionAttribute)) as DescriptionAttribute;
        return attribute == null ? e.ToString() : attribute.Description;
    }

    // EXAMPLE USAGE:  
    //      string[] descriptions = Enums.GetDescriptions<Position>();
    public static string[] GetDescriptions<T>()
    {
        var type = typeof(T);

        if (!type.IsEnum) throw new ArgumentException("Type '" + type.Name + "' is not an enum");

        var enums = GetValues<T>();
        return (from enumeration in enums
                select (enumeration as Enum).GetDescription())
                .ToArray();
    }
}