Split Array

ArraySplit.cs

 public static IEnumerable<T[]> Split<T>(this T[] array, int blockSize)
{
    List<T> list = new List<T>();
    for(int i = 0; i < array.Length; i++)
    {
        if (i % blockSize == 0)
        {
            if (list.Count > 0)
                yield return list.ToArray();
            list.Clear();
        }
        list.Add(array[i]);
    }
    if (list.Count > 0)
        yield return list.ToArray();
}