Add Method IList.Add Method AddRange Method AsReadOnly Method BinarySearch Method Clear Method Contains Method IList.Contains Method ConvertAll(TOutput) Method CopyTo Method ICollection.CopyTo Method Exists Method Find Method FindAll Method FindIndex Method FindLast Method FindLastIndex Method ForEach Method GetEnumerator Method IEnumerable(T).GetEnumerator Method IEnumerable.GetEnumerator Method GetRange Method IndexOf Method IList.IndexOf Method Insert Method IList.Insert Method InsertRange Method LastIndexOf Method Remove Method IList.Remove Method RemoveAll Method RemoveAt Method RemoveRange Method Reverse Method Sort Method ToArray Method TrimExcess Method TrueForAll Method