private static void IsPaneOpenChanged(AppView o, IPropertyChangedArgs<bool> args)
{
o.splitView.IsPaneOpen = args.NewValue;
}
private static void UpperSourceChanged(AppView o, IPropertyChangedArgs<object> args)
{
o.upperView.ItemsSource = args.NewValue;
}
private static void FrameContentChanged(AppView o, IPropertyChangedArgs<object> args)
{
o.frame.Content = args.NewValue;
}