System.Collections.ArrayList.Range.RemoveAt C# (CSharp) Method

            public override void RemoveAt(int index)
            {
                if (index < 0 || index >= _baseSize) throw new ArgumentOutOfRangeException(nameof(index), SR.ArgumentOutOfRange_Index);
                Contract.EndContractBlock();

                InternalUpdateRange();
                _baseList.RemoveAt(_baseIndex + index);
                InternalUpdateVersion();
                _baseSize--;
            }