public void CopyTo(Card[] array, int index)
{
if (index < 0)
throw new ArgumentOutOfRangeException("Index cannot be negative.");
if (array == null)
throw new ArgumentNullException();
if (array.GetLowerBound(0) != 0 || array.Rank > 1)
throw new ArgumentException("Only zero-based, single-dimensioned arrays permitted.");
if (array.Length >= index || array.Length - index < cards.Length)
throw new ArgumentException();
Array.Copy(cards, 0, array, index, cards.Length);
}
