LazyConcurrentDictionary

CSharp · Console

/Program.cs

using System;
using System.ComponentModel;

public class Program
{
	public static void Main(string[] commandString)
	{
		Console.WriteLine(Status.Bad.Description());
		Console.WriteLine(Status.Good.Description());
		Console.WriteLine(Status.Unknown.Description());
		Console.ReadLine();
	}

	public enum Status
	{
		[Description("no clue")]
		Unknown,
		[Description("Good!")]
		Good,
		[Description("Bad<angryface>")]
		Bad
	}
}

public static class EnumExt
{
	public static string Description<T>(this T source)where T : struct, IConvertible
	{
		if (!typeof (T).IsEnum)
		{
			throw new ArgumentException("T must be an enumerated type");
		}

		var fi = source.GetType().GetField(source.ToString());
		var attributes = (DescriptionAttribute[])fi.GetCustomAttributes(typeof (DescriptionAttribute), false);
		return attributes.Length > 0 ? attributes[0].Description : source.ToString();
	}
}