From 039b19f585c093f9f70a45a3eb4871db64f95c72 Mon Sep 17 00:00:00 2001
From: zhangxi <526684540@qq.com>
Date: Thu, 24 Aug 2023 17:58:05 +0800
Subject: [PATCH] =?UTF-8?q?fix=20polygon/polyline=20load=20fail=20points?=
 =?UTF-8?q?=20within=20the=20template=EF=BC=9A=20Optimization=20fixed=20co?=
 =?UTF-8?q?de?=
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---
 src/Avalonia.Controls/Shapes/Polygon.cs  | 8 +++++++-
 src/Avalonia.Controls/Shapes/Polyline.cs | 6 ++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/Shapes/Polygon.cs b/src/Avalonia.Controls/Shapes/Polygon.cs
index 2d56ced31d..e51e117e33 100644
--- a/src/Avalonia.Controls/Shapes/Polygon.cs
+++ b/src/Avalonia.Controls/Shapes/Polygon.cs
@@ -1,18 +1,24 @@
 using System.Collections.Generic;
 using Avalonia.Media;
+using Avalonia.Data;
 
 namespace Avalonia.Controls.Shapes
 {
     public class Polygon : Shape
     {
         public static readonly StyledProperty<IList<Point>> PointsProperty =
-            AvaloniaProperty.Register<Polygon, IList<Point>>("Points", new Points());
+            AvaloniaProperty.Register<Polygon, IList<Point>>("Points");
 
         static Polygon()
         {
             AffectsGeometry<Polygon>(PointsProperty);
         }
 
+        public Polygon()
+        {
+            SetValue(PointsProperty, new Points(), BindingPriority.Template);
+        }
+
         public IList<Point> Points
         {
             get => GetValue(PointsProperty);
diff --git a/src/Avalonia.Controls/Shapes/Polyline.cs b/src/Avalonia.Controls/Shapes/Polyline.cs
index 63c37780c5..dc28b7b34a 100644
--- a/src/Avalonia.Controls/Shapes/Polyline.cs
+++ b/src/Avalonia.Controls/Shapes/Polyline.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using Avalonia.Media;
+using Avalonia.Data;
 
 namespace Avalonia.Controls.Shapes
 {
@@ -14,6 +15,11 @@ namespace Avalonia.Controls.Shapes
             AffectsGeometry<Polyline>(PointsProperty);
         }
 
+        public Polyline()
+        {
+            SetValue(PointsProperty, new Points(), BindingPriority.Template);
+        }
+
         public IList<Point> Points
         {
             get => GetValue(PointsProperty);