public override void TouchMoved(UITouch touch, UIEvent evnt)
{
Debug.Assert(_state == MenuState.TrackingTouch, "Menu.TouchEnded, invalid state");
MenuItem currentItem = ItemForTouch(touch);
if (currentItem != _selectedItem) {
if (_selectedItem != null) {
_selectedItem.OnUnselected();
}
_selectedItem = currentItem;
if (_selectedItem != null) {
_selectedItem.OnSelected();
}
}
}
public override bool TouchBegan(UITouch touch, UIEvent evnt)
{
if (_state != MenuState.Waiting) {
return false;
}
_selectedItem = ItemForTouch(touch);
if (_selectedItem != null) {
_selectedItem.OnSelected();
_state = MenuState.TrackingTouch;
return true;
}
return false;
}