更新客户端渲染，更新了壳

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

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+// 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 System.Threading;
+using System.Threading.Tasks;
+using System.Windows;
+using Wpf.Ui.Controls;
+
+namespace Wpf.Ui.Demo.Dialogs;
+
+public partial class MainWindow
+{
+    public MainWindow()
+    {
+        // Initialize WPF window
+        InitializeComponent();
+    }
+
+    private async void OnShowDialogClick(object sender, RoutedEventArgs e)
+    {
+        // Dispatch to the UI queue
+        await Application.Current.Dispatcher.InvokeAsync(ShowSampleDialogAsync);
+    }
+
+    private async Task ShowSampleDialogAsync()
+    {
+        // Defining dialog object
+        ContentDialog myDialog = new()
+        {
+            Title = "My sample dialog",
+            Content = "Content of the dialog",
+            CloseButtonText = "Close button",
+            PrimaryButtonText = "Primary button",
+            SecondaryButtonText = "Secondary button",
+        };
+
+        // Setting the dialog container
+        myDialog.DialogHost = ContentPresenterForDialogs;
+
+        // Showing the dialog
+        await myDialog.ShowAsync(CancellationToken.None);
+    }
+}