pageselected:Fires when the FlipView settles on a single item. After setting the currentPage, itemDataSource or itemTemplate, you should wait for this event to be invoked before triggering a navigation.
pagecompleted:Fires when the FlipView settles on a single item and its renderer function has completed.
pagevisibilitychanged:Fires when an item becomes invisible or visible.
datasourcecountchanged:Fires when the datasource count changes.