Update the templates to use file-scoped namespaces

AIDevGallery/ProjectGenerator/Template/App.xaml.cs

@@ -19,32 +19,31 @@
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
 
-namespace $safeprojectname$
+namespace $safeprojectname$;
+
+/// <summary>
+/// Provides application-specific behavior to supplement the default Application class.
+/// </summary>
+public partial class App : Application
 {
     /// <summary>
-    /// Provides application-specific behavior to supplement the default Application class.
+    /// Initializes the singleton application object.  This is the first line of authored code
+    /// executed, and as such is the logical equivalent of main() or WinMain().
     /// </summary>
-    public partial class App : Application
+    public App()
     {
-        /// <summary>
-        /// Initializes the singleton application object.  This is the first line of authored code
-        /// executed, and as such is the logical equivalent of main() or WinMain().
-        /// </summary>
-        public App()
-        {
-            this.InitializeComponent();
-        }
-
-        /// <summary>
-        /// Invoked when the application is launched.
-        /// </summary>
-        /// <param name="args">Details about the launch request and process.</param>
-        protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
-        {
-            Window = new MainWindow();
-            Window.Activate();
-        }
+        this.InitializeComponent();
+    }
 
-        internal static MainWindow? Window { get; private set; }
+    /// <summary>
+    /// Invoked when the application is launched.
+    /// </summary>
+    /// <param name="args">Details about the launch request and process.</param>
+    protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
+    {
+        Window = new MainWindow();
+        Window.Activate();
     }
-}
+
+    internal static MainWindow? Window { get; private set; }
+}

AIDevGallery/ProjectGenerator/Template/MainWindow.xaml.cs

@@ -1,21 +1,20 @@
 using Microsoft.UI.Xaml;
 
-namespace $safeprojectname$
+namespace $safeprojectname$;
+
+public sealed partial class MainWindow : Window
 {
-    public sealed partial class MainWindow : Window
+    public MainWindow()
     {
-        public MainWindow()
+        this.InitializeComponent();
+        this.RootFrame.Loaded += (sender, args) =>
         {
-            this.InitializeComponent();
-            this.RootFrame.Loaded += (sender, args) =>
-            {
-                RootFrame.Navigate(typeof($MainSamplePage$));
-            };
-        }
+            RootFrame.Navigate(typeof($MainSamplePage$));
+        };
+    }
 
-        internal void ModelLoaded()
-        {
-            ProgressRingGrid.Visibility = Visibility.Collapsed;
-        }
+    internal void ModelLoaded()
+    {
+        ProgressRingGrid.Visibility = Visibility.Collapsed;
     }
-}
+}