Index: sources/cloudsync/CloudSyncController.h
===================================================================
diff -u -r54c4136d95375116e6daf23b7d4179159cf13d0c -r44550c670a421059754a70e2ce517e81f29c2e5d
--- sources/cloudsync/CloudSyncController.h	(.../CloudSyncController.h)	(revision 54c4136d95375116e6daf23b7d4179159cf13d0c)
+++ sources/cloudsync/CloudSyncController.h	(.../CloudSyncController.h)	(revision 44550c670a421059754a70e2ce517e81f29c2e5d)
@@ -104,6 +104,8 @@
         eError_TxCodeEmpty      = 520, // the received Tx Code is empty
 
         eError_OutFileEmpty     = 521, // Out file has changed from CS2UI but the content is empty.
+
+        eError_NotRegistered    = 522, // avoid sending any message other than the device regitration, when device is not registered.
     };
 
     typedef QHash<qint32 , QStringList> MessageList;
@@ -239,6 +241,7 @@
     // device registration request
     bool sendDeviceRegister     (); // eMessageID_DeviceRegister
     bool testDeviceRegister     (); // eMessageID_DeviceRegister
+    bool isRegistered           ();
 
     // device state report
     bool saveDeviceState        (const QVariantList &vData);