improve:issue #143

Ink Canvas/MainWindow.xaml.cs

@@ -239,6 +239,9 @@ namespace Ink_Canvas
             // 添加窗口激活事件处理，确保置顶状态在窗口重新激活时得到保持
             this.Activated += Window_Activated;
             this.Deactivated += Window_Deactivated;
+            
+            // 为浮动栏按钮添加触摸事件支持
+            AddTouchSupportToFloatingBarButtons();
         }