protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
Element.PropertyChanged -= OnElementPropertyChanged;
Platform.SetRenderer(Element, null);
if (_appeared)
{
Page.SendDisappearing();
}
_appeared = false;
if (_events != null)
{
_events.Dispose();
_events = null;
}
if (_packager != null)
{
_packager.Dispose();
_packager = null;
}
if (_tracker != null)
{
_tracker.Dispose();
_tracker = null;
}
Element = null;
_disposed = true;
}
base.Dispose(disposing);
}
protected override void Dispose(bool disposing)
{
if (disposing && !_disposed)
{
if (Carousel != null)
{
Carousel.PropertyChanged -= OnPropertyChanged;
Carousel.PagesChanged -= OnPagesChanged;
}
Platform.SetRenderer(Element, null);
if (_appeared)
{
_appeared = false;
Page?.SendDisappearing();
}
if (_events != null)
{
_events.Dispose();
_events = null;
}
if (_tracker != null)
{
_tracker.Dispose();
_tracker = null;
}
Element = null;
_disposed = true;
}
base.Dispose(disposing);
}
public void SetElement(VisualElement element)
{
_requestedScroll = null;
var oldElement = Element;
Element = element;
if (oldElement != null)
{
oldElement.PropertyChanged -= OnElementPropertyChanged;
((ScrollView)oldElement).ScrollToRequested -= OnScrollToRequested;
}
if (element != null)
{
element.PropertyChanged += OnElementPropertyChanged;
((ScrollView)element).ScrollToRequested += OnScrollToRequested;
if (_tracker == null)
{
PackContent();
_events = new EventTracker(this);
_events.LoadEvents(this);
_tracker = new VisualElementTracker(this);
_tracker.NativeControlUpdated += OnNativeControlUpdated;
}
UpdateContentSize();
UpdateBackgroundColor();
UpdateOrientation();
RaiseElementChanged(new VisualElementChangedEventArgs(oldElement, element));
}
ResetNativeNonScroll();
}
