private void SendShipmentsAgentDoWork(object sender, DoWorkEventArgs e)
        {
            var sendShipmentsCount = 1;

            //Comprobar la configuración
            if (!ValidateConfiguration())
            {
                return;
            }

            var pendingShipments = _myShipmentsManager.Pending(null);

            Dispatcher.BeginInvoke(new Action(() =>
            {
                PgsBarShipments.Value   = 0;
                PgsBarShipments.Maximum = pendingShipments.Count;
            }));

            //Enviar

            //Limpiamos log
            Log.Delete();

            foreach (var shipmentsPendiente in _myShipmentsManager.Pending(null))
            {
                _myShipmentsManager.Send(shipmentsPendiente);

                var interval = Convert.ToInt32(GlobalConfig.ShippingInterval) * 1000;

                var count = sendShipmentsCount;
                Dispatcher.BeginInvoke(new Action(() =>
                {
                    LblCountSendShipments.Content = count + "/" + pendingShipments.Count;
                    PgsBarShipments.Value         = PgsBarShipments.Value + 1;
                }));

                Thread.Sleep(interval);
                sendShipmentsCount += 1;
            }
        }