/// <summary> /// Invoked when application execution is being suspended. Application state is saved /// without knowing whether the application will be terminated or resumed with the contents /// of memory still intact. /// </summary> /// <param name="sender">The source of the suspend request.</param> /// <param name="e">Details about the suspend request.</param> private void OnSuspending(object sender, SuspendingEventArgs e) { var deferral = e.SuspendingOperation.GetDeferral(); //TODO: Save application state and stop any background activity // Sae the student details before suspending. BusinessLayer.IStudentBLL BLL = new BusinessLayer.StudentBLL((App.Current as App).GetRepository()); BLL.PersistStudents(); //RemoveFile(); //this.PersistStudents(); // Save the searches BusinessLayer.ISearchBLL searchBll = new BusinessLayer.SearchBLL((App.Current as App).GetSearchRepository()); searchBll.SaveSearches(); deferral.Complete(); }
/// <summary> /// Invoked when the application is launched normally by the end user. Other entry points /// will be used when the application is launched to open a specific file, to display /// search results, and so forth. /// </summary> /// <param name="args">Details about the launch request and process.</param> protected override void OnLaunched(LaunchActivatedEventArgs args) { Frame rootFrame = Window.Current.Content as Frame; // Do not repeat app initialization when the Window already has content, // just ensure that the window is active if (rootFrame == null) { // Create a Frame to act as the navigation context and navigate to the first page rootFrame = new Frame(); if (args.PreviousExecutionState == ApplicationExecutionState.Terminated) { //TODO: Load state from previously suspended application } // Place the frame in the current Window Window.Current.Content = rootFrame; } if (rootFrame.Content == null) { // When the navigation stack isn't restored navigate to the first page, // configuring the new page by passing required information as a navigation // parameter if (!rootFrame.Navigate(typeof(MainPage), args.Arguments)) { throw new Exception("Failed to create initial page"); } } // Call the loadstudents method. BusinessLayer.IStudentBLL BLL = new BusinessLayer.StudentBLL((App.Current as App).GetRepository()); BLL.LoadStudents(); BusinessLayer.ISearchBLL searchBll = new BusinessLayer.SearchBLL((App.Current as App).GetSearchRepository()); searchBll.LoadSearches(); // Ensure the current window is active Window.Current.Activate(); }