添加项目文件。

CowainHmi/GlobalData.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CowainHmi
+{
+    /// <summary>
+    /// 全局静态类
+    /// </summary>
+    public class GlobalData
+    {
+        private static int stationId;
+
+        public static event EventHandler<int> StationChanged;
+        /// <summary>
+        /// 工站编号
+        /// </summary>
+        public static int StationId
+        {
+            get => stationId;
+            set
+            {
+                stationId = value;
+                OnStationChanged(stationId);
+            }
+        }
+
+        private static void OnStationChanged(int stationId)
+        {
+            // 检查是否有订阅者  
+            StationChanged?.Invoke(null, stationId);
+        }
+
+        public static List<string> StationNames { get; set; } = new List<string>();
+
+
+
+    }
+}