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Handler/swPLC/PUB.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics.PerformanceData;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Project
+{
+    public static class PUB
+    {
+        private static CSetting setting;
+        public static CSetting Setting
+        {
+            get
+            {
+                if(setting == null)
+                {
+                    setting = new CSetting();
+                    setting.Load();
+                }
+                return setting;
+            }
+        }
+    }
+}