/// <summary>
/// Initializes a new instance of the AppShell, sets the static 'Current' reference,
/// adds callbacks for Back requests and changes in the SplitView's DisplayMode, and
/// provide the nav menu list with the data to display.
/// </summary>
public AppShell()
{
this.InitializeComponent();
this.Loaded += (sender, args) =>
{
Current = this;
this.TogglePaneButton.Focus(FocusState.Programmatic);
};
SystemNavigationManager.GetForCurrentView().BackRequested += SystemNavigationManager_BackRequested;
// If on a phone device that has hardware buttons then we hide the app's back button.
if (ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
{
this.BackButton.Visibility = Visibility.Collapsed;
}
NavMenuList.ItemsSource = navlist;
}