添加了数据库相关了类，和枚举类型相关的类，并且将枚举类型绑定到前段

Enums/SignalType.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel;
+
+namespace PMSWPF.Enums;
+
+public enum SignalType
+{
+    [Description("启动信号")]
+    StartSignal,
+    [Description("停止信号")]
+    StopSignal,
+    [Description("报警信号")]
+    AlarmSignal,
+    [Description("准备信号")]
+    ReadySignal,
+    [Description("复位信号")]
+    ResetSignal,
+    [Description("运行信号")]
+    RunSignal,
+    [Description("设定频率")]
+    SetHZSignal,
+    [Description("当前频率")]
+    GetHZSignal,
+    [Description("当前电流")]
+    CurrentASignal,
+    [Description("其他信号")]
+    OtherASignal
+    
+}