System.ComponentModel.ListSortDescriptionCollection public class ListSortDescriptionCollection : ICollection, IEnumerable, IList Documentation public int Count { get; } public ListSortDescription this[int index] { get; set; } public ListSortDescriptionCollection() public ListSortDescriptionCollection(ListSortDescription[] sorts) public bool Contains(object value) public void CopyTo(Array array, int index) public int IndexOf(object value)