Collections Data Structure C#

//The MIT License (MIT)
//http://arolibraries.codeplex.com/license
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading;
namespace AroLibraries.ExtensionMethods.Enumerable
{
    public static class IEnumerableExt
    {
        public static IEnumerable Ext_Shuffle(this IEnumerable list)
        {
            var r = new Random((int)DateTime.Now.Ticks);
            var shuffledList = list.Select(x => new { Number = r.Next(), Item = x })
                            .OrderBy(x => x.Number).Select(x => x.Item);
            return shuffledList.ToList();
        }
   }
}