给数据中心添加事件

DMS.Application/DTOs/Events/DeviceChangedEventArgs.cs

@@ -0,0 +1,44 @@
+using System;
+
+namespace DMS.Application.DTOs.Events
+{
+    /// <summary>
+    /// 设备变更事件参数
+    /// </summary>
+    public class DeviceChangedEventArgs : System.EventArgs
+    {
+        /// <summary>
+        /// 变更类型
+        /// </summary>
+        public DataChangeType ChangeType { get; }
+
+        /// <summary>
+        /// 设备ID
+        /// </summary>
+        public int DeviceId { get; }
+
+        /// <summary>
+        /// 设备名称
+        /// </summary>
+        public string DeviceName { get; }
+
+        /// <summary>
+        /// 变更时间
+        /// </summary>
+        public DateTime ChangeTime { get; }
+
+        /// <summary>
+        /// 构造函数
+        /// </summary>
+        /// <param name="changeType">变更类型</param>
+        /// <param name="deviceId">设备ID</param>
+        /// <param name="deviceName">设备名称</param>
+        public DeviceChangedEventArgs(DataChangeType changeType, int deviceId, string deviceName)
+        {
+            ChangeType = changeType;
+            DeviceId = deviceId;
+            DeviceName = deviceName;
+            ChangeTime = DateTime.Now;
+        }
+    }
+}