public void SelectPrev()
{
if (_selected != null)
_selected = _items.FirstOrDefault() != _selected
? _items[_items.FindIndex(x => x == _selected) - 1]
: null;
}
public void SelectNext()
{
if (_items.LastOrDefault() != _selected)
_selected = _items[_items.FindIndex(x => x == _selected) + 1];
}
public void Deselect()
{
_selected = null;
}
public void Reset()
{
_selected = null;
}
public void AddItem(MenuItem item)
{
_items.Add(item);
}