添加锁定功能

ViewModel/MainWindowViewModel.cs

@@ -308,8 +308,8 @@ namespace DyeingComputer.ViewModel
                 _UserButton = value;
                 OnPropertyChanged("UserButton");
             }
-        }
-        bool _Lock_bool;
+        }       
+        public static bool _Lock_bool;
         Visibility _Lock_bool_xml;
         public Visibility Lock_bool//锁图标
         {
@@ -449,8 +449,7 @@ namespace DyeingComputer.ViewModel
         uint TX_t;
         void Tick_Event_5S()//Tick_Event周期执行事件5S
         {
-            if (TX_t != TX) { _Link_bool = true; } else { _Link_bool = false; }       
-            TX_t = TX;
+            if (TX_t != TX) { _Link_bool = true; TX_t = TX; } else { _Link_bool = false; TX_t = TX; }    //中央连接状态判断           
 
             if(WORK_RUN !=0) Chart();//写入记录