protected override void OnAppearing()
{
base.OnAppearing();
// attach our effect
var lvsEffect = new ScrollReporterEffect();
MyListView.Effects.Add(lvsEffect);
lvsEffect.ScrollChanged += LvsEffect_ScrollChanged;
}
protected override void OnAttached()
{
if (Element is ListView == false)
{
return;
}
// find our effect
effect = (RoutingEffects.ScrollReporterEffect)Element.Effects.FirstOrDefault(e => e is RoutingEffects.ScrollReporterEffect);
// implement our effect
nativeControl = ((UITableView)Control);
_offsetObserver = nativeControl.AddObserver("contentOffset", NSKeyValueObservingOptions.New, HandleAction);
}