Handy XML extensions

XMLExtensions.cs

using System;
using System.Xml;
using System.Collections.Generic;
using System.Linq; 
using System.Linq.Expressions; 

namespace test1
{
	public static class XMLExtensions
	{
		public static T GetEnum<T>(this XmlAttributeCollection attributes, string key) {
			if (!typeof(T).IsEnum) {
				throw new ArgumentException ("Type must be an enum"); 
			}

			key = attributes.Get (key); 

			return Enum.GetValues (typeof(T)).Cast<T> ()
				.Where (v => v.ToString ().IndexOf (key) >= 0)
				.Select (v => v)
				.First (); 
			
		}

		public static string Get(this XmlAttributeCollection attributes, string key) {
			if (attributes [key] != null) {
				return attributes [key].Value; 
			}
			return null; 
		}
	}
}