protected override void OnElementChanged(ElementChangedEventArgs <ListView> e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
if (Element.IsPullToRefreshEnabled)
{
if (container == null)
{
container = new Win.RefreshContainer();
}
container.RefreshRequested += Container_RefreshRequested;
var nativeControl = Control;
SetNativeControl(container);
container.Content = nativeControl;
}
}
else
{
if (Element.IsPullToRefreshEnabled && container != null)
{
container.RefreshRequested -= Container_RefreshRequested;
container = null;
}
}
}
private void Container_RefreshRequested(Win.RefreshContainer sender, Win.RefreshRequestedEventArgs args)
{
refreshDeferral = args.GetDeferral();
Element.RefreshCommand?.Execute(null);
}
