Add sample code for chapter 5

2026-06-20 12:23:09 +00:00 · 2023-06-10 09:00:29 -04:00
parent edbc96830c
commit 370d8a52b8
60 changed files with 2202 additions and 0 deletions
@@ -0,0 +1,49 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Navigation;
+using MyMediaCollection.ViewModels;
+
+namespace MyMediaCollection.Views
+{
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public sealed partial class ItemDetailsPage : Page
+    {
+        public ItemDetailsPage()
+        {
+            ViewModel = App.HostContainer.Services.GetService<ItemDetailsViewModel>();
+
+            this.InitializeComponent();
+
+            Windows.Storage.ApplicationDataContainer localSettings = Windows.Storage.ApplicationData.Current.LocalSettings;
+
+            // Load the user setting
+            string haveExplainedSaveSetting = localSettings.Values[nameof(SavingTip)] as string;
+
+            // If the user has not seen the save tip, display it
+
+            if (!bool.TryParse(haveExplainedSaveSetting, out bool result) || !result)
+            {
+                SavingTip.IsOpen = true;
+
+                // Save the teaching tip setting
+                localSettings.Values[nameof(SavingTip)] = "true";
+            }
+        }
+
+        public ItemDetailsViewModel ViewModel;
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            base.OnNavigatedTo(e);
+
+            var itemId = (int)e.Parameter;
+
+            if (itemId > 0)
+            {
+                ViewModel.InitializeItemDetailData(itemId);
+            }
+        }
+    }
+}