add:有更新时系统级弹窗

Ink Canvas/App.xaml.cs

@@ -59,8 +59,19 @@ namespace Ink_Canvas
         private static SplashScreen _splashScreen;
         private static bool _isSplashScreenShown = false;
 
+        [DllImport("shell32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
+        private static extern int SetCurrentProcessExplicitAppUserModelID(string appId);
+
         public App()
         {
+            try
+            {
+                SetCurrentProcessExplicitAppUserModelID("InkCanvasForClass.CE");
+            }
+            catch
+            {
+            }
+
             // 配置TLS协议以支持Windows 7
             ConfigureTlsForWindows7();
 

Ink Canvas/Helpers/WindowsNotificationHelper.cs

@@ -0,0 +1,62 @@
+using Hardcodet.Wpf.TaskbarNotification;
+using Microsoft.Toolkit.Uwp.Notifications;
+using System;
+using System.Windows;
+
+namespace Ink_Canvas.Helpers
+{
+    internal static class WindowsNotificationHelper
+    {
+        private const string APP_ID = "InkCanvasForClass.CE";
+
+        public static void ShowNewVersionToast(string version)
+        {
+            try
+            {
+                var os = Environment.OSVersion.Version;
+
+                if (os.Major == 6 && os.Minor == 1)
+                {
+                    ShowBalloonForWin7(version);
+                }
+                else
+                {
+                    ShowToastForModernWindows(version);
+                }
+            }
+            catch
+            {
+            }
+        }
+
+        private static void ShowBalloonForWin7(string version)
+        {
+            Application.Current?.Dispatcher.Invoke(() =>
+            {
+                try
+                {
+                    var taskbar = Application.Current.Resources["TaskbarTrayIcon"] as TaskbarIcon;
+                    if (taskbar == null) return;
+
+                    taskbar.Visibility = Visibility.Visible;
+
+                    taskbar.ShowBalloonTip(
+                        "InkCanvasForClass CE",
+                        $"有新版本：{version}",
+                        BalloonIcon.Info);
+                }
+                catch
+                {
+                }
+            });
+        }
+
+        private static void ShowToastForModernWindows(string version)
+        {
+            new ToastContentBuilder()
+                .AddText("InkCanvasForClass CE")
+                .AddText($"有新版本：{version}")
+                .Show();
+        }
+    }
+}

Ink Canvas/InkCanvasForClass.csproj

@@ -153,6 +153,7 @@
     <PackageReference Include="MdXaml" Version="1.27.0" />
     <PackageReference Include="Microsoft.Office.Interop.PowerPoint" Version="15.0.4420.1018" />
     <PackageReference Include="MicrosoftOfficeCore" Version="15.0.0" />
+    <PackageReference Include="Microsoft.Toolkit.Uwp.Notifications" Version="7.1.3" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />

Ink Canvas/MainWindow.xaml.cs

@@ -1011,6 +1011,9 @@ namespace Ink_Canvas
                 // 检测到新版本
                 LogHelper.WriteLogToFile($"AutoUpdate | New version available: {AvailableLatestVersion}");
 
+                // 通过 Windows 系统通知提示有新版本
+                WindowsNotificationHelper.ShowNewVersionToast(AvailableLatestVersion);
+
                 // 检查是否是用户选择跳过的版本
                 if (!string.IsNullOrEmpty(Settings.Startup.SkippedVersion) &&
                     Settings.Startup.SkippedVersion == AvailableLatestVersion)