运行环境新增了画布相关的属性

Workbench/Tool/Converters/BoolToVisibilityConverter.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Data;
+using System.Windows;
+
+namespace Serein.Workbench.Tool.Converters
+{
+    public class BoolToVisibilityConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is bool b)
+            {
+                return b ? Visibility.Visible : Visibility.Collapsed;
+            }
+            return Visibility.Collapsed;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return value is Visibility v && v == Visibility.Visible;
+        }
+    }
+}