public void OnItemDrop(DragNDropListView parent, View view, int startPosition, int endPosition, long id)
        {
            var position = _position[startPosition];

            if (startPosition < endPosition)
                for (var i = startPosition; i < endPosition; ++i)
                    _position[i] = _position[i + 1];
            else if (endPosition < startPosition)
                for (var i = startPosition; i > endPosition; --i)
                    _position[i] = _position[i - 1];

            _position[endPosition] = position;
        }
 public void OnItemDrag(DragNDropListView parent, View view, int position, long id)
 {
 }