void ExecuteComConnectToggleCommand()
 {
     Task.Run(() =>
     {
         if (Status.ComConnectionStatus.IsConnected) // already connected
         {
             //_eventAggregator.GetEvent<ComDisconnectionRequestedEvent>().Publish();
             _serialService.Disconnect();
         }
         else
         {
             var selectedSerialPort = Params.ComSelection.Selected;
             //_eventAggregator.GetEvent<ComConnectionRequestedEvent>().Publish(selectedSerialPort);
             _serialService.Connect(selectedSerialPort);
         }
     });
 }