将lambda表达式转换为本地函数：移除Func<bool>类型声明，使用本地函数语法简化代码

Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs

@@ -1063,12 +1063,12 @@ namespace JoyD.Windows.CS
 
                 
                 // 创建检查是否有画笔按钮可见的辅助方法
-                Func<bool> HasVisibleBrushButtons = () => 
+                bool HasVisibleBrushButtons() => 
                     btnBrushSize1.Visible || btnBrushSize3.Visible || btnBrushSize5.Visible || 
                     btnBrushSize10.Visible || btnBrushSize15.Visible || btnBrushSize25.Visible;
                     
                 // 创建检查新按钮组是否有可见按钮的辅助方法
-                Func<bool> HasVisibleNewButtons = () =>
+                bool HasVisibleNewButtons() =>
                     btnNewTempRegion.Visible || btnLoadTempRegion.Visible || btnSaveTempRegion.Visible ||
                     btnNewTempDiff.Visible || btnLoadTempDiff.Visible || btnSaveTempDiff.Visible;