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_Split(this IEnumerable source, int splitSize)
        {
            using (IEnumerator enumerator = source.GetEnumerator())
            {
                while (enumerator.MoveNext())
                {
                    yield return Ext_SplitInner(enumerator, splitSize);
                }
            }
        }
        private static IEnumerable Ext_SplitInner(IEnumerator enumerator, int splitSize)
        {
            int count = 0;
            do
            {
                count++;
                yield return enumerator.Current;
            }
            while (count % splitSize != 0
                 && enumerator.MoveNext());
        }
   }
}