优化代码

2025-09-30 17:46:35 +08:00
parent 92e695ef7c
commit 92bb458345
16 changed files with 71 additions and 131 deletions
@@ -211,22 +211,18 @@ namespace Ink_Canvas
                    // 获取全局快捷键管理器
                    var hotkeyManagerField = typeof(MainWindow).GetField("_globalHotkeyManager", 
                        System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
-                    var hotkeyManager = hotkeyManagerField?.GetValue(mainWin) as GlobalHotkeyManager;
-                    
-                    if (hotkeyManager != null)
+
+                    if (hotkeyManagerField?.GetValue(mainWin) is GlobalHotkeyManager hotkeyManager)
                    {
                        // 禁用所有快捷键
                        hotkeyManager.DisableHotkeyRegistration();
                        
                        // 更新菜单项文本和状态
-                        var menuItem = sender as MenuItem;
-                        if (menuItem != null)
+                        if (sender is MenuItem menuItem)
                        {
-                            var headerPanel = menuItem.Header as SimpleStackPanel;
-                            if (headerPanel != null)
+                            if (menuItem.Header is SimpleStackPanel headerPanel)
                            {
-                                var textBlock = headerPanel.Children[0] as TextBlock;
-                                if (textBlock != null)
+                                if (headerPanel.Children[0] is TextBlock textBlock)
                                {
                                    if (textBlock.Text == "禁用所有快捷键")
                                    {