Revert "优化代码"

This reverts commit 92bb458345.
2025-09-30 19:15:03 +08:00
parent d9e3524211
commit a9b0ac0595
16 changed files with 131 additions and 71 deletions
@@ -517,17 +517,18 @@ namespace Ink_Canvas
        private void Window_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            // 检查是否点击了UI元素，如果是则不处理选择
-            if (e.Source is FrameworkElement hitElement && (
-                    hitElement is Ellipse ||
-                    hitElement is System.Windows.Controls.Button ||
-                    hitElement is Border ||
-                    hitElement is TextBlock ||
-                    hitElement is StackPanel ||
-                    hitElement is Separator ||
-                    hitElement.Name == "SizeInfoBorder" ||
-                    hitElement.Name == "HintText" ||
-                    hitElement.Name == "AdjustModeHint" ||
-                    hitElement.Name == "SelectionRectangle"))
+            var hitElement = e.Source as FrameworkElement;
+            if (hitElement != null && (
+                hitElement is Ellipse ||
+                hitElement is System.Windows.Controls.Button ||
+                hitElement is Border ||
+                hitElement is TextBlock ||
+                hitElement is StackPanel ||
+                hitElement is Separator ||
+                hitElement.Name == "SizeInfoBorder" ||
+                hitElement.Name == "HintText" ||
+                hitElement.Name == "AdjustModeHint" ||
+                hitElement.Name == "SelectionRectangle"))
            {
                return;
            }