更新客户端渲染，更新了壳

参考/wpfui-main/samples/Wpf.Ui.Demo.Mvvm/Views/MainWindow.xaml.cs

@@ -0,0 +1,61 @@
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file, You can obtain one at https://opensource.org/licenses/MIT.
+// Copyright (C) Leszek Pomianowski and WPF UI Contributors.
+// All Rights Reserved.
+
+using Wpf.Ui.Abstractions;
+using Wpf.Ui.Controls;
+
+namespace Wpf.Ui.Demo.Mvvm.Views;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : INavigationWindow
+{
+    public ViewModels.MainWindowViewModel ViewModel { get; }
+
+    public MainWindow(ViewModels.MainWindowViewModel viewModel, INavigationService navigationService)
+    {
+        ViewModel = viewModel;
+        DataContext = this;
+
+        Appearance.SystemThemeWatcher.Watch(this);
+
+        InitializeComponent();
+
+        navigationService.SetNavigationControl(RootNavigation);
+    }
+
+    public INavigationView GetNavigation() => RootNavigation;
+
+    public bool Navigate(Type pageType) => RootNavigation.Navigate(pageType);
+
+    public void SetPageService(INavigationViewPageProvider navigationViewPageProvider) =>
+        RootNavigation.SetPageProviderService(navigationViewPageProvider);
+
+    public void ShowWindow() => Show();
+
+    public void CloseWindow() => Close();
+
+    /// <summary>
+    /// Raises the closed event.
+    /// </summary>
+    protected override void OnClosed(EventArgs e)
+    {
+        base.OnClosed(e);
+
+        // Make sure that closing this window will begin the process of closing the application.
+        Application.Current.Shutdown();
+    }
+
+    INavigationView INavigationWindow.GetNavigation()
+    {
+        throw new NotImplementedException();
+    }
+
+    public void SetServiceProvider(IServiceProvider serviceProvider)
+    {
+        throw new NotImplementedException();
+    }
+}