添加项目文件。

Util.DiagramDesigner/Models/TextDesignerItem.cs

@@ -0,0 +1,23 @@
+using Util.DiagramDesigner;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Serialization;
+
+namespace Util.DiagramDesigner
+{
+    public class TextDesignerItem : DesignerItemBase
+    {
+        public TextDesignerItem()
+        {
+
+        }
+        public TextDesignerItem(TextDesignerItemViewModel item) : base(item)
+        {
+            this.Text = item.Text;
+        }
+
+    }
+}