Start a New Thread to Handle Replication-based Synchronization

public void Synchronize()
{
  if(CheckConnectionStates())
  {
    Thread thread = new Thread(new ThreadStart(this. SynchronizationCore));
    thread.Start();     
  }
   // else notify user or show error message.
}

Private void SynchronizationCore()
{
  XXXDB.Synchronization(new MYSyncStatusListener);
}
Private class MYSyncStatusListener: SyncStatusListener
{
  // get the status and update the UI
}