using System; using System.Collections.Generic; using System.Configuration; using System.Data; using System.Linq; using System.Threading.Tasks; using System.Windows; namespace Päevaküsimus { /// /// Interaction logic for App.xaml /// public partial class App : Application { public static MainWindowVM mwvm; private void App_OnExit(object sender, ExitEventArgs e) { if (App.mwvm != null) { SerializationService.Serialize(App.mwvm.questions); } } } }