Question

Is it OnNavigatedTo or Loaded Event? I’ve been able to use both interchangeably but I would like to know explicitly which comes first.

Answer 1

OnNavigatedTo fires first — source – A simple experiment

See code below

public partial class MainPage : PhoneApplicationPage
    {
        // Constructor
        public MainPage()
        {
            InitializeComponent();
            Loaded += new RoutedEventHandler(MainPage_Loaded);
        }

        void MainPage_Loaded(object sender, RoutedEventArgs e)
        {
            throw new NotImplementedException();
        }
        protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
        {
            base.OnNavigatedTo(e);
        }
        // Simple button Click event handler to take us to the second page
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            NavigationService.Navigate(new Uri("/GamePage.xaml", UriKind.Relative));
        }
    }