private void NavegateExecute(object index)
{
int idx;
int.TryParse(index + "", out idx);
if (idx < 0 || idx == _lastIndex || Pages == null || idx > Pages.Count)
{
return;
}
if (Viewer == null)
{
return;
}
ActivedPage = Pages[idx];
AnimaterPage = Pages[_lastIndex];
if (_lastIndex < idx)
{
Viewer.BeginStoryboard((Storyboard)Resources["SlideLeftToRight"]);
}
else
{
Viewer.BeginStoryboard((Storyboard)Resources["SlideRightToLeft"]);
}
_lastIndex = idx;
//release the AnimaterPage
Task.Run(async() => await Task.Delay(600)).ContinueWith(s =>
{
AnimaterPage = null;
}, TaskScheduler.FromCurrentSynchronizationContext());
}
private void PointerOnSelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (Viewer == null)
{
return;
}
AnimaterPage = CarouselPages[_lastIndex];
if (_lastIndex < Pointer.SelectedIndex)
{
Viewer.BeginStoryboard((Storyboard)Resources["SlideLeftToRight"]);
}
else
{
Viewer.BeginStoryboard((Storyboard)Resources["SlideRightToLeft"]);
}
_lastIndex = Pointer.SelectedIndex;
}