System.Collections.Queue.QueueEnumerator.Reset C# (CSharp) Method

            public virtual void Reset()
            {
                if (_version != _q._version) throw new InvalidOperationException(SR.InvalidOperation_EnumFailedVersion);
                if (_q._size == 0)
                    _index = -1;
                else
                    _index = 0;
                _currentElement = _q._array;
            }
        }