完成S7变量启用和停用更新

DMS.Application/Events/DataLoadCompletedEventArgs.cs

@@ -0,0 +1,36 @@
+namespace DMS.Application.Events
+{
+    /// <summary>
+    /// 数据加载完成事件参数
+    /// </summary>
+    public class DataLoadCompletedEventArgs : System.EventArgs
+    {
+
+        /// <summary>
+        /// 加载是否成功
+        /// </summary>
+        public bool IsSuccess { get; }
+
+        /// <summary>
+        /// 加载时间
+        /// </summary>
+        public DateTime LoadTime { get; }
+
+        /// <summary>
+        /// 错误信息（如果加载失败）
+        /// </summary>
+        public string ErrorMessage { get; }
+
+        /// <summary>
+        /// 构造函数
+        /// </summary>
+        /// <param name="isSuccess">是否成功</param>
+        /// <param name="errorMessage">错误信息</param>
+        public DataLoadCompletedEventArgs(bool isSuccess, string errorMessage = null)
+        {
+            IsSuccess = isSuccess;
+            ErrorMessage = errorMessage;
+            LoadTime = DateTime.Now;
+        }
+    }
+}