private static void LostScrollFocusClass(Actor sender, ScrollFocusChangedEventArgs e)
{
if (sender != null)
{
sender.OnLostScrollFocus(e);
}
}
public void SetScrollFocus(Actor actor)
{
if (_scrollFocus == actor)
{
return;
}
Actor oldScrollFocus = _scrollFocus;
_scrollFocus = actor;
if (oldScrollFocus != null)
{
ScrollFocusChangedEventArgs eva = Pools <ScrollFocusChangedEventArgs> .Obtain();
eva.RoutedEvent = LostScrollFocusEvent;
eva.NewFocus = actor;
eva.OldFocus = oldScrollFocus;
bool cancel = oldScrollFocus.RaiseEvent(eva);
Pools <ScrollFocusChangedEventArgs> .Release(eva);
if (cancel)
{
return;
}
}
if (actor != null)
{
ScrollFocusChangedEventArgs eva = Pools <ScrollFocusChangedEventArgs> .Obtain();
eva.RoutedEvent = GotScrollFocusEvent;
eva.NewFocus = actor;
eva.OldFocus = oldScrollFocus;
if (actor.RaiseEvent(eva))
{
SetScrollFocus(oldScrollFocus);
}
Pools <ScrollFocusChangedEventArgs> .Release(eva);
}
}
protected virtual void OnLostScrollFocus(ScrollFocusChangedEventArgs e)
{
}