添加项目文件。

Wpf.Ui.Extend/Extensions/MessageExtensions.cs

@@ -0,0 +1,97 @@
+using System.Threading.Tasks;
+
+using Wpf.Ui;
+using Wpf.Ui.Controls;
+using Wpf.Ui.Extend.Controls;
+using Wpf.Ui.Extensions;
+
+namespace Sai.RvKits;
+
+public static class MessageExtensions
+{
+    private static readonly SnackbarService SnackbarService = new();
+    private static readonly IContentDialogService ContentDialogService = new ContentDialogService();
+
+    public static void ShowDanger(this SnackbarPresenter SnackbarPresenter, string title, string message)
+    {
+        SnackbarService.SetSnackbarPresenter(SnackbarPresenter);
+        SnackbarService.Show(
+            title,
+            message,
+            ControlAppearance.Danger,
+            new SymbolIcon(SymbolRegular.Alert12),
+            SnackbarService.DefaultTimeOut
+        );
+    }
+
+    public static void ShowInfo(this SnackbarPresenter SnackbarPresenter, string title, string message)
+    {
+        SnackbarService.SetSnackbarPresenter(SnackbarPresenter);
+        SnackbarService.Show(
+            title,
+            message,
+            ControlAppearance.Info,
+            new SymbolIcon(SymbolRegular.Info12),
+            SnackbarService.DefaultTimeOut
+        );
+    }
+
+    public static void ShowCaution(this SnackbarPresenter SnackbarPresenter, string title, string message)
+    {
+        SnackbarService.SetSnackbarPresenter(SnackbarPresenter);
+        SnackbarService.Show(
+            title,
+            message,
+            ControlAppearance.Caution,
+            new SymbolIcon(SymbolRegular.Question16),
+            SnackbarService.DefaultTimeOut
+        );
+    }
+
+    public static async void ShowMessage(string content = "内容...", string title = "消息")
+    {
+        Wpf.Ui.Controls.MessageBox uiMessageBox = new()
+        {
+            Title = title,
+            Content = content,
+            MinWidth=200,
+            //PrimaryButtonIcon = SymbolRegular.Button16,
+            //PrimaryButtonAppearance = ControlAppearance.Primary,
+            //PrimaryButtonText = "确定",
+            //SecondaryButtonIcon = SymbolRegular.Button20,
+            //SecondaryButtonAppearance = ControlAppearance.Secondary,
+            //SecondaryButtonText = "取消",
+            CloseButtonAppearance = ControlAppearance.Primary,
+            //CloseButtonIcon = SymbolRegular.CalendarCancel16,
+            CloseButtonText = "确定",
+            WindowStartupLocation = System.Windows.WindowStartupLocation.Manual,
+        };
+        await uiMessageBox.ShowDialogAsync();
+    }
+
+    public static async Task<ContentDialogResult> ShowTaskDialog(
+        string title,
+        object content,
+        string primaryButtonText = "确定",
+        string secondaryButtonText = "取消",
+        string closeButtonText = "关闭"
+    )
+    {
+        return await ContentDialogService.ShowSimpleDialogAsync(
+            new SimpleContentDialogCreateOptions()
+            {
+                Title = title,
+                Content = content,
+                PrimaryButtonText = primaryButtonText,
+                SecondaryButtonText = secondaryButtonText,
+                CloseButtonText = closeButtonText,
+            }
+        );
+        //result switch
+        //{
+        //    ContentDialogResult.Primary => "User saved their work",
+        //    ContentDialogResult.Secondary => "User did not save their work",
+        //    _ => "User cancelled the dialog"
+        //};
+    }
+}