/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="navigationParameter">The parameter value passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested. /// </param> /// <param name="pageState">A dictionary of state preserved by this page during an earlier /// session. This will be null the first time a page is visited.</param> protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState) { // TODO: Create an appropriate data model for your problem domain to replace the sample data // var group = SampleDataSource.GetGroup((String)navigationParameter); // this.DefaultViewModel["Group"] = group; // this.DefaultViewModel["Items"] = group.Items; DataModel.ComicQueryManager comicQueryManager = new DataModel.ComicQueryManager(); DataModel.ComicQuery query = navigationParameter as DataModel.ComicQuery; comicQueryManager.UpdateQueryResults(query); this.DefaultViewModel["Group"] = query; this.DefaultViewModel["Items"] = comicQueryManager.CurrentQueryResults; if (pageState == null) { this.itemListView.SelectedItem = null; // When this is a new page, select the first item automatically unless logical page // navigation is being used (see the logical page navigation #region below.) if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null) { this.itemsViewSource.View.MoveCurrentToFirst(); } } else { // Restore the previously saved state associated with this page if (pageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null) { var selectedItem = SampleDataSource.GetItem((String)pageState["SelectedItem"]); this.itemsViewSource.View.MoveCurrentTo(selectedItem); } } }
/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="sender"> /// The source of the event; typically <see cref="NavigationHelper"/> /// </param> /// <param name="e">Event data that provides both the navigation parameter passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and /// a dictionary of state preserved by this page during an earlier /// session. The state will be null the first time a page is visited.</param> private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e) { //var group = await SampleDataSource.GetGroupAsync((String)e.NavigationParameter); //this.DefaultViewModel["Group"] = group; //this.DefaultViewModel["Items"] = group.Items;DataModel.ComicQueryManager DataModel.ComicQueryManager comicQueryManager = new DataModel.ComicQueryManager(); DataModel.ComicQuery query = e.NavigationParameter as DataModel.ComicQuery; comicQueryManager.UpdateQueryResults(query); this.DefaultViewModel["Group"] = query; this.DefaultViewModel["Items"] = comicQueryManager.CurrentQueryResults; if (e.PageState == null) { this.itemListView.SelectedItem = null; // When this is a new page, select the first item automatically unless logical page // navigation is being used (see the logical page navigation #region below.) if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null) { this.itemsViewSource.View.MoveCurrentToFirst(); } } else { // Restore the previously saved state associated with this page if (e.PageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null) { var selectedItem = await SampleDataSource.GetItemAsync((String)e.PageState["SelectedItem"]); this.itemsViewSource.View.MoveCurrentTo(selectedItem); } } }
/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="navigationParameter">The parameter value passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested. /// </param> /// <param name="pageState">A dictionary of state preserved by this page during an earlier /// session. This will be null the first time a page is visited.</param> protected override void LoadState(Object navigationParameter, Dictionary<String, Object> pageState) { // TODO: Create an appropriate data model for your problem domain to replace the sample data // var group = SampleDataSource.GetGroup((String)navigationParameter); // this.DefaultViewModel["Group"] = group; // this.DefaultViewModel["Items"] = group.Items; DataModel.ComicQueryManager comicQueryManager = new DataModel.ComicQueryManager(); DataModel.ComicQuery query = navigationParameter as DataModel.ComicQuery; comicQueryManager.UpdateQueryResults(query); this.DefaultViewModel["Group"] = query; this.DefaultViewModel["Items"] = comicQueryManager.CurrentQueryResults; if (pageState == null) { this.itemListView.SelectedItem = null; // When this is a new page, select the first item automatically unless logical page // navigation is being used (see the logical page navigation #region below.) if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null) { this.itemsViewSource.View.MoveCurrentToFirst(); } } else { // Restore the previously saved state associated with this page if (pageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null) { var selectedItem = SampleDataSource.GetItem((String)pageState["SelectedItem"]); this.itemsViewSource.View.MoveCurrentTo(selectedItem); } } }
/// <summary> /// 탐색 중 전달된 콘텐츠로 페이지를 채웁니다. 이전 세션의 페이지를 /// 다시 만들 때 저장된 상태도 제공됩니다. /// </summary> /// <param name="sender"> /// 대개 <see cref="NavigationHelper"/>인 이벤트 소스 /// </param> /// <param name="e">이 페이지가 초기에 요청될 때 /// <see cref="Frame.Navigate(Type, Object)"/>에 전달되는 탐색 매개 변수와 /// 이전 세션 동안 이 페이지에 유지된 상태 사전을 제공하는 /// 이벤트 데이터입니다. 페이지를 처음 방문할 때는 이 상태가 null입니다.< /param> private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e) { //var group = await SampleDataSource.GetGroupAsync((String)e.NavigationParameter); //this.DefaultViewModel["Group"] = group; //this.DefaultViewModel["Items"] = group.Items; DataModel.ComicQueryManager comicQueryManager = new DataModel.ComicQueryManager(); DataModel.ComicQuery query = e.NavigationParameter as DataModel.ComicQuery; comicQueryManager.UpdateQueryResults(query); this.DefaultViewModel["Group"] = query; this.DefaultViewModel["Items"] = comicQueryManager.CurrentQueryResults; if (e.PageState == null) { this.itemListView.SelectedItem = null; // 새 페이지인 경우에는 논리 페이지 탐색이 사용 중인 경우를 제외하고 첫 번째 항목이 // 자동으로 선택됩니다(논리 페이지 탐색 #region은 아래를 참조하십시오.) if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null) { this.itemsViewSource.View.MoveCurrentToFirst(); } } else { // 이 페이지와 관련하여 이전에 저장된 상태를 복원합니다. if (e.PageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null) { var selectedItem = await SampleDataSource.GetItemAsync((String)e.PageState["SelectedItem"]); this.itemsViewSource.View.MoveCurrentTo(selectedItem); } } }