优化代码

Ink Canvas/App.xaml.cs

@@ -868,7 +868,7 @@ namespace Ink_Canvas
                     LogHelper.WriteLogToFile($"App | 清理更新标记文件失败: {ex.Message}", LogHelper.LogType.Warning);
                 }
 
-                Task.Run(async () =>
+                _ = Task.Run(async () =>
                 {
                     try
                     {
@@ -1174,7 +1174,7 @@ namespace Ink_Canvas
                 await Task.Delay(600);
                 Dispatcher.Invoke(() => _taskbar?.ForceCreate());
             });
-            Dispatcher.BeginInvoke(new Action(() =>
+            _ = Dispatcher.BeginInvoke(new Action(() =>
             {
                 if (_pendingLocalizedResourceSet != null)
                 {
@@ -1189,7 +1189,7 @@ namespace Ink_Canvas
             {
                 LogHelper.WriteLogToFile($"App | 处理启动URI参数: {startupUriArg}", LogHelper.LogType.Event);
                 // 延迟一点执行，确保窗口初始化完成
-                Task.Delay(1000).ContinueWith(_ =>
+                _ = Task.Delay(1000).ContinueWith(_ =>
                 {
                     mainWindow.Dispatcher.Invoke(() =>
                     {

Ink Canvas/Helpers/BaseUploadQueue.cs

@@ -519,7 +519,7 @@ namespace Ink_Canvas.Helpers
         /// <summary>
         /// 异步上传文件
         /// </summary>
-        public async Task<bool> UploadFileAsync(string filePath, CancellationToken cancellationToken = default)
+        public Task<bool> UploadFileAsync(string filePath, CancellationToken cancellationToken = default)
         {
             try
             {
@@ -528,19 +528,19 @@ namespace Ink_Canvas.Helpers
                 // 检查是否启用
                 if (!IsUploadEnabled())
                 {
-                    return false;
+                    return Task.FromResult(false);
                 }
 
                 // 基本验证
                 if (!File.Exists(filePath))
                 {
                     LogHelper.WriteLogToFile($"[{GetType().Name}] 上传失败：文件不存在 - {filePath}", LogHelper.LogType.Error);
-                    return false;
+                    return Task.FromResult(false);
                 }
 
                 if (!IsValidFile(filePath))
                 {
-                    return false;
+                    return Task.FromResult(false);
                 }
 
                 // 确保队列已初始化
@@ -552,7 +552,7 @@ namespace Ink_Canvas.Helpers
                 // 加入队列
                 EnqueueFile(filePath, 0, cancellationToken);
 
-                return true;
+                return Task.FromResult(true);
             }
             catch (OperationCanceledException)
             {
@@ -562,7 +562,7 @@ namespace Ink_Canvas.Helpers
             catch (Exception ex)
             {
                 LogHelper.WriteLogToFile($"[{GetType().Name}] 加入上传队列时出错: {ex.Message}", LogHelper.LogType.Error);
-                return false;
+                return Task.FromResult(false);
             }
         }
 

Ink Canvas/MainWindow.xaml.cs

@@ -2374,7 +2374,7 @@ namespace Ink_Canvas
             {
                 _pendingStartupAutoUpdateCheck = false;
                 await Task.Delay(3000);
-                Dispatcher.BeginInvoke(new Action(() =>
+                _ = Dispatcher.BeginInvoke(new Action(() =>
                 {
                     LogHelper.WriteLogToFile("AutoUpdate | Running deferred auto-update check at UI idle");
                     AutoUpdate();

Ink Canvas/MainWindow_cs/MW_ClipboardHandler.cs

@@ -272,21 +272,21 @@ namespace Ink_Canvas
         /// - 显示通知
         /// - 包含异常处理
         /// </remarks>
-        private async Task PasteImageFromClipboard(Point? position = null)
+        private Task PasteImageFromClipboard(Point? position = null)
         {
             try
             {
                 if (!Clipboard.ContainsImage())
                 {
                     ShowNotification("剪贴板中没有图片");
-                    return;
+                    return Task.CompletedTask;
                 }
 
                 var clipboardImage = Clipboard.GetImage();
                 if (clipboardImage == null)
                 {
                     ShowNotification("无法获取剪贴板图片");
-                    return;
+                    return Task.CompletedTask;
                 }
 
                 // 创建Image控件
@@ -383,6 +383,7 @@ namespace Ink_Canvas
                 ShowNotification($"粘贴图片失败: {ex.Message}");
                 LogHelper.WriteLogToFile($"粘贴图片失败: {ex.Message}", LogHelper.LogType.Error);
             }
+            return Task.CompletedTask;
         }
 
 

Ink Canvas/MainWindow_cs/MW_ImageInsert.cs

@@ -496,7 +496,7 @@ namespace Ink_Canvas
         /// 10. 提交历史记录
         /// 11. 插入图片后切换到选择模式并刷新浮动栏高光显示
         /// </remarks>
-        private async Task InsertScreenshotToCanvas(Bitmap bitmap)
+        private Task InsertScreenshotToCanvas(Bitmap bitmap)
         {
             try
             {
@@ -504,7 +504,7 @@ namespace Ink_Canvas
                 if (bitmap == null || bitmap.Width <= 0 || bitmap.Height <= 0)
                 {
                     ShowNotification("无效的截图");
-                    return;
+                    return Task.CompletedTask;
                 }
 
                 // 将Bitmap转换为WPF BitmapSource
@@ -513,7 +513,7 @@ namespace Ink_Canvas
                 if (bitmapSource == null)
                 {
                     ShowNotification("转换截图失败");
-                    return;
+                    return Task.CompletedTask;
                 }
 
                 // 创建WPF Image控件
@@ -572,6 +572,7 @@ namespace Ink_Canvas
             {
                 bitmap?.Dispose();
             }
+            return Task.CompletedTask;
         }
 
         /// <summary>
@@ -591,7 +592,7 @@ namespace Ink_Canvas
         /// 8. 提交历史记录
         /// 9. 插入图片后切换到选择模式并刷新浮动栏高光显示
         /// </remarks>
-        private async Task InsertBitmapSourceToCanvas(BitmapSource bitmapSource, string successMessage = "截图已插入到画布", string failureMessagePrefix = "插入截图失败")
+        private Task InsertBitmapSourceToCanvas(BitmapSource bitmapSource, string successMessage = "截图已插入到画布", string failureMessagePrefix = "插入截图失败")
         {
             try
             {
@@ -647,6 +648,7 @@ namespace Ink_Canvas
                 ShowNotification($"{failureMessagePrefix}: {ex.Message}");
                 LogHelper.WriteLogToFile($"插入摄像头截图失败: {ex.Message}", LogHelper.LogType.Error);
             }
+            return Task.CompletedTask;
         }
 
         /// <summary>

Ink Canvas/MainWindow_cs/MW_Timer.cs

@@ -592,7 +592,7 @@ namespace Ink_Canvas
                                 {
                                     // 先展开浮动栏，然后进入批注状态
                                     // UnFoldFloatingBar 方法内部会根据设置自动进入批注模式
-                                    UnFoldFloatingBar(null);
+                                    _ = UnFoldFloatingBar(null);
                                 }
                                 else
                                 {

Ink Canvas/Windows/CloudStorageManagementWindow.xaml.cs

@@ -657,7 +657,7 @@ namespace Ink_Canvas.Windows
         /// <summary>
         /// 保存按钮点击事件
         /// </summary>
-        private async void BtnSave_Click(object sender, RoutedEventArgs e)
+        private void BtnSave_Click(object sender, RoutedEventArgs e)
         {
             try
             {

Ink Canvas/Windows/SettingsViews/Pages/UpdatePage.xaml.cs

@@ -326,7 +326,7 @@ namespace Ink_Canvas.Windows.SettingsViews.Pages
                 if (mainWindow != null)
                 {
                     mainWindow.ResetUpdateCheckRetry();
-                    await System.Threading.Tasks.Task.Run(async () =>
+                    await System.Threading.Tasks.Task.Run(() =>
                     {
                         try
                         {