2

Ink Canvas/Helpers/Converters.cs

@@ -2,6 +2,7 @@
 using System.Globalization;
 using System.Windows;
 using System.Windows.Data;
+using System.Windows.Media;
 
 namespace Ink_Canvas.Converter
 {
@@ -152,4 +153,27 @@ namespace Ink_Canvas.Converter
             return null;
         }
     }
+
+    public class StringToGeometryConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            try
+            {
+                if (value is string geometryString && !string.IsNullOrEmpty(geometryString))
+                {
+                    return Geometry.Parse(geometryString);
+                }
+            }
+            catch (Exception)
+            {
+            }
+            return null;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
 }

Ink Canvas/MainWindow.xaml

@@ -12,6 +12,7 @@
         xmlns:props="clr-namespace:Ink_Canvas.Properties"
         xmlns:i18n="clr-namespace:Ink_Canvas.MarkupExtensions"
         xmlns:helpers="clr-namespace:Ink_Canvas.Helpers"
+        xmlns:icons="clr-namespace:Ink_Canvas"
         mc:Ignorable="d"
         AllowsTransparency="True"
         WindowStyle="None"
@@ -48,6 +49,7 @@
             <c:InverseBooleanToVisibilityConverter x:Key="InverseBooleanToVisibilityConverter" />
             <c:IntNumberToString x:Key="IntNumberToString" />
             <c:IntNumberToString2 x:Key="IntNumberToString2" />
+            <c:StringToGeometryConverter x:Key="StringToGeometryConverter" />
 
             <!-- 浮动栏/白板栏：英文等长文本自动缩小避免截断 -->
             <Style x:Key="AutoFitFloatBarLabel12" TargetType="TextBlock">