private void PerformActions()
        {
            switch (pumpaction)
            {
            case "Start":
                webFarmController.StartPump(pumpduration);
                break;

            case "Stop":
                webFarmController.StopPump();
                break;

            default:
                break;
            }
            pumpaction = String.Empty;
        }
 private void btn_Stop_Click(object sender, RoutedEventArgs e)
 {
     MyFarmController.StopPump();
     txt_Info.Text = "Stopping";
     UpdateStatus();
 }