画板基础基本完成

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

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Xml.Serialization;
+using Newtonsoft.Json;
+
+namespace AIStudio.Wpf.DiagramDesigner
+{
+    public class DrawingDesignerItemBase : DesignerItemBase
+    {
+        public DrawingDesignerItemBase()
+        {
+
+        }
+        public DrawingDesignerItemBase(DrawingDesignerItemViewModelBase item) : base(item)
+        {
+            this.Erasable = item.Erasable;
+            this.Geometry = item.Geometry.ToString();
+            this.Points = item.Points;
+            this.DrawMode = item.DrawMode;
+        }
+
+        [XmlAttribute]
+        public bool Erasable
+        {
+            get; set;
+        }
+
+        [XmlAttribute]
+        public string Geometry
+        {
+            get; set;
+        }
+
+        [XmlIgnore]
+        public List<Point> Points
+        {
+            get; set;
+        }
+
+        [JsonIgnore]
+        [XmlElement("Points")]
+        public string XmlPoints
+        {
+            get
+            {
+                return SerializeHelper.SerializePointList(Points);
+            }
+            set
+            {
+                Points = SerializeHelper.DeserializePointList(value);
+            }
+        }
+
+        [XmlAttribute]
+        public DrawMode DrawMode
+        {
+            get; set;
+        }
+    }
+}