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using CTCT_CSharp.Data;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
// The Item Detail Page item template is documented at
namespace CTCT_CSharp
/// <summary>
/// A page that displays details for a single item within a group while allowing gestures to
/// flip through other items belonging to the same group.
/// </summary>
public sealed partial class ItemDetailPage : CTCT_CSharp.Common.LayoutAwarePage
public ItemDetailPage()
/// <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)
// Allow saved page state to override the initial item to display
if (pageState != null && pageState.ContainsKey("SelectedItem"))
navigationParameter = pageState["SelectedItem"];
// TODO: Create an appropriate data model for your problem domain to replace the sample data
var item = SampleDataSource.GetItem((String)navigationParameter);
this.DefaultViewModel["Group"] = item.Group;
this.DefaultViewModel["Items"] = item.Group.Items;
this.flipView.SelectedItem = item;
/// <summary>
/// Preserves state associated with this page in case the application is suspended or the
/// page is discarded from the navigation cache. Values must conform to the serialization
/// requirements of <see cref="SuspensionManager.SessionState"/>.
/// </summary>
/// <param name="pageState">An empty dictionary to be populated with serializable state.</param>
protected override void SaveState(Dictionary<String, Object> pageState)
var selectedItem = (SampleDataItem)this.flipView.SelectedItem;
pageState["SelectedItem"] = selectedItem.UniqueId;
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