public NewCountdown()
{
InitializeComponent();
viewModel = this.DataContext as NewCountdownViewModel;
// UI Control Events
PhotoLibraryPicker.Click += new RoutedEventHandler(PhotoLibraryPicker_Click);
photoChooserTask = new PhotoChooserTask();
photoChooserTask.Completed += photoChooserTask_Completed;
unitListPicker.SummaryForSelectedItemsDelegate = SummarizeItems;
}
private void appBarAddButton_Click(object sender, EventArgs e)
{
try
{
UpdateChangesToObject();
viewModel.AddCountdownItem();
App.FileOpenPickerContinuationEventArgs = null;
}
catch (Exception)
{
throw;
}
finally
{
viewModel = null;
}
// Return to the main page.
if (NavigationService.CanGoBack)
{
SimpleIoc.Default.Unregister<NewCountdownViewModel>();
SimpleIoc.Default.Register<NewCountdownViewModel>();
NavigationService.GoBack();
}
}