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
@@ -85,8 +85,9 @@ namespace Ink_Canvas

            // 根据橡皮擦形状选择对应的图像资源
            string resourceKey = isEraserCircleShape ? "EllipseEraserImageSource" : "RectangleEraserImageSource";
-
-            if (TryFindResource(resourceKey) is DrawingImage imageSource)
+            var imageSource = TryFindResource(resourceKey) as DrawingImage;
+            
+            if (imageSource != null)
            {
                eraserFeedback.Source = imageSource;
            }