Fixed Step-Server & Client closing error + Siemens Nc bug fixes + Machine-Info data exchange fix

Step.Tasks/ThreadsFunctions.cs

@@ -17,7 +17,7 @@ public static class ThreadsFunctions
     private static long ReadNcGenericInfoTimer = 0, ReadNcGenericInfoTimes = 0;
     private static long ReadAxesTimer = 0, ReadAxesTimes = 0;
     private static long ReadPowerOnTimer = 0, ReadPowerOnTimes = 0;
-
+    private static Thread ConnThread;
 
     #region Nc Threads
     public static void ReadAlarms()
@@ -221,14 +221,21 @@ public static class ThreadsFunctions
             reconnectionIsRunning = true;
 
             // Start reconnection thread
-            Thread t = new Thread(() =>
+            ConnThread = new Thread(() =>
                         WillReconnect()
             );
 
-            t.Start();
+            ConnThread.Start();
         }
     }
 
+
+    public static void AbortNcConnection()
+    {
+        if (ConnThread != null && ConnThread.IsAlive)
+            ConnThread.Abort();
+    }
+
     public static void ManageLibraryError(CmsError cmsError)
     {
         switch (cmsError.errorCode)
@@ -254,9 +261,12 @@ public static class ThreadsFunctions
             case CMS_ERROR_CODES.NC_LANGUAGE_ERROR:
                 break;
             case CMS_ERROR_CODES.SIEMENS_ENVIRONMENT_NOT_FOUND:
-            case CMS_ERROR_CODES.SIEMENS_HMI_NOT_RUNNING:
                 Manage(ERROR_LEVEL.FATAL, cmsError.message);
                 break;
+            case CMS_ERROR_CODES.SIEMENS_HMI_NOT_RUNNING:
+                Manage(ERROR_LEVEL.WARNING, cmsError.message);
+                TryNcConnection(); // If not connected try reconnection
+                break;
         }
     }