示例工程版本提升至net462，项目添加了部分空引用检测逻辑。累了，消不完的空引用警告(T.T）

Net462DllTest/Enums/FromValue.cs

@@ -0,0 +1,19 @@
+using Net462DllTest.View;
+using Serein.Library.Attributes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Net462DllTest.Signal
+{
+    public enum FromValue
+    {
+        None,
+        [BindValue(typeof(FromWorkBenchView))]
+        FromWorkBenchView,
+        [BindValue(typeof(TestFormView))]
+        TestFormView,
+    }
+}