mind

AIStudio.Wpf.DiagramDesigner/Models/Serializables/DesignerItemBase.cs

@@ -5,6 +5,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows;
 using System.Windows.Media;
 using System.Xml.Serialization;
 
@@ -32,6 +33,8 @@ namespace AIStudio.Wpf.DiagramDesigner
             this.ItemTypeName = viewmodel.GetType().FullName;
             this.Margin = viewmodel.Margin;
             this.Reserve = reserve;
+            this.CornerRadius = viewmodel.CornerRadius;
+            this.BorderThickness = viewmodel.BorderThickness;
         }
 
         [XmlAttribute("Left")]
@@ -102,6 +105,18 @@ namespace AIStudio.Wpf.DiagramDesigner
             get; set;
         }
 
+        [XmlAttribute]
+        public CornerRadius CornerRadius
+        {
+            get; set;
+        }
+
+        [XmlAttribute]
+        public Thickness BorderThickness
+        {
+            get; set;
+        }
+
     }