代码清理

Ink Canvas/MainWindow_cs/MW_AutoFold.cs

@@ -260,7 +260,7 @@ namespace Ink_Canvas
                 }
 
                 // 只有在PPT放映模式下且页数有效时才显示翻页按钮
-                if (StackPanelPPTControls.Visibility == Visibility.Visible && 
+                if (StackPanelPPTControls.Visibility == Visibility.Visible &&
                     BtnPPTSlideShowEnd.Visibility == Visibility.Visible &&
                     PPTManager?.IsInSlideShow == true &&
                     PPTManager?.SlidesCount > 0)
@@ -288,17 +288,17 @@ namespace Ink_Canvas
                 {
                     // 强制更新布局以确保ActualWidth正确
                     ViewboxFloatingBar.UpdateLayout();
-                    
+
                     // 等待一小段时间让布局完全更新
                     Task.Delay(50);
-                    
+
                     // 再次强制更新布局
                     ViewboxFloatingBar.UpdateLayout();
-                    
+
                     // 强制重新测量和排列
                     ViewboxFloatingBar.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
                     ViewboxFloatingBar.Arrange(new Rect(ViewboxFloatingBar.DesiredSize));
-                    
+
                     if (BtnPPTSlideShowEnd.Visibility == Visibility.Visible)
                         ViewboxFloatingBarMarginAnimation(60);
                     else
@@ -314,7 +314,7 @@ namespace Ink_Canvas
                 {
                     // 等待UI完全更新
                     await Task.Delay(100);
-                    
+
                     // 获取当前选中的模式并重新设置高光位置
                     string selectedToolMode = GetCurrentSelectedMode();
                     if (!string.IsNullOrEmpty(selectedToolMode))