/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached.
/// This parameter is typically used to configure the page.</param>
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
if (Windows.Storage.ApplicationData.Current.LocalSettings.Values.Any(m => m.Key.Equals("username")))
this.Username = Windows.Storage.ApplicationData.Current.LocalSettings.Values.Single(m => m.Key.Equals("username")).Value as string;
else
{
var dialog = new Settings();
await dialog.ShowAsync();
this.Username = dialog.Username;
}
timer = new DispatcherTimer();
timer.Interval = TimeSpan.FromSeconds(2);
timer.Tick += Timer_Tick;
timer.Start();
this.lbMessages.ItemsSource = await LoadMessages();
}
private async void AppBarButton_Click(object sender, RoutedEventArgs e)
{
var dialog = new Settings();
await dialog.ShowAsync();
if(!string.IsNullOrEmpty(dialog.Username))
this.Username = dialog.Username;
}