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,
+    }
+}

Net462DllTest/Enums/PlcState.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Net462DllTest.Enums
+{
+    public enum PlcState
+    {
+        /// <summary>
+        /// 关机
+        /// </summary>
+        PowerOff,
+        /// <summary>
+        /// 正在运行
+        /// </summary>
+        Runing,
+        /// <summary>
+        /// 发生异常
+        /// </summary>
+        Error,
+        /// <summary>
+        /// 维护中
+        /// </summary>
+        Maintenance,
+    }
+}

Net462DllTest/Enums/PlcVarEnum.cs

@@ -0,0 +1,129 @@
+using Net462DllTest.Signal;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static Net462DllTest.Signal.PlcValueAttribute;
+
+namespace Net462DllTest.Enums
+{
+
+
+
+    /// <summary>
+    /// PLC变量
+    /// </summary>
+    public enum PlcVarEnum
+    {
+        None,
+        /// <summary>
+        /// 车位号
+        /// </summary>
+        [PlcValue(typeof(short), "V100", VarType.Writable)]
+        SpaceNum,
+
+        /// <summary>
+        /// 上位机指令
+        /// </summary>
+        [PlcValue(typeof(short), "V102", VarType.Writable)]
+        CmdForPLC,
+
+        /// <summary>
+        /// PLC当前存取车位号
+        /// </summary>
+        [PlcValue(typeof(short), "V110", VarType.ReadOnly)]
+        DoingSpaceNum,
+
+        /// <summary>
+        /// 下位机状态
+        /// </summary>
+        [PlcValue(typeof(short), "V112", VarType.ReadOnly)]
+        PLCState,
+
+        /// <summary>
+        /// 门1正常待机车位号，存车完成地面车位0
+        /// </summary>
+        [PlcValue(typeof(short), "V114", VarType.ReadOnly)]
+        Door1CurSpaceNum,
+
+        /// <summary>
+        /// 门2正常待机车位号，存车完成地面车位0
+        /// </summary>
+        [PlcValue(typeof(short), "V124", VarType.ReadOnly)]
+        Door2CurSpaceNum,
+
+        /// <summary>
+        /// 下位机运行模式
+        /// </summary>
+        [PlcValue(typeof(short), "V116", VarType.Writable)]
+        PLCRunMode,
+
+        /// <summary>
+        /// 执行的门号
+        /// </summary>
+        [PlcValue(typeof(short), "V104", VarType.Writable)]
+        DoorVar,
+
+        /// <summary>
+        /// 门1是否开到位
+        /// </summary>
+        [PlcValue(typeof(bool), "V207.0", VarType.ReadOnly)]
+        IsDoor1OpenDone,
+
+        /// <summary>
+        /// 门1是否关到位
+        /// </summary>
+        [PlcValue(typeof(bool), "V207.1", VarType.ReadOnly)]
+        IsDoor1ClosedDone,
+
+
+        /// <summary>
+        /// 门2是否开到位
+        /// </summary>
+        [PlcValue(typeof(bool), "V207.3", VarType.ReadOnly)]
+        IsDoor2OpenDone,
+
+        /// <summary>
+        /// 门2是否关到位
+        /// </summary>
+        [PlcValue(typeof(bool), "V207.4", VarType.ReadOnly)]
+        IsDoor2ClosedDone,
+
+        /// <summary>
+        /// 通道1是否有车
+        /// </summary>
+        [PlcValue(typeof(bool), "V284.7", VarType.ReadOnly)]
+        HasCarInTone1,
+
+        /// <summary>
+        /// 通道2是否有车
+        /// </summary>
+        [PlcValue(typeof(bool), "V286.7", VarType.ReadOnly)]
+        HasCarInTone2,
+
+        /// <summary>
+        /// 下位机异常代码
+        /// </summary>
+        [PlcValue(typeof(short), "V2", VarType.ReadOnly)]
+        ErrorCode,
+
+        /// <summary>
+        /// 2层以上的空板是否在待机
+        /// </summary>
+        [PlcValue(typeof(bool), "V200.7", VarType.ReadOnly)]
+        IsOver2FlowStanded,
+
+        /// <summary>
+        /// 1号门指示灯
+        /// </summary>
+        [PlcValue(typeof(bool), "Q17.0", VarType.ReadOnly)]
+        Gate1Light,
+
+        /// <summary>
+        /// 2号门指示灯
+        /// </summary>
+        [PlcValue(typeof(bool), "Q17.3", VarType.ReadOnly)]
+        Gate2Light,
+    }
+}