System.Collections.ArrayList.IListWrapper.SetRange C# (CSharp) Method

            public override void SetRange(int index, ICollection c)
            {
                if (c == null)
                {
                    throw new ArgumentNullException(nameof(c), SR.ArgumentNull_Collection);
                }
                Contract.EndContractBlock();

                if (index < 0 || index > _list.Count - c.Count)
                {
                    throw new ArgumentOutOfRangeException(nameof(index), SR.ArgumentOutOfRange_Index);
                }

                if (c.Count > 0)
                {
                    IEnumerator en = c.GetEnumerator();
                    while (en.MoveNext())
                    {
                        _list[index++] = en.Current;
                    }
                    _version++;
                }
            }