完善功能

电子展板/Base/ModelBase.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Dynamic;
+using System.Runtime.CompilerServices;
+using System.Xml.Serialization;
+
+namespace 电子展板.Base
+{
+    public class ModelBase : INotifyPropertyChanged
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public void NotifyPropertyChanged([CallerMemberName] string propertyname = null)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyname));
+        }
+    }
+}