public FrmVerificationTransfertClient()
        {
            InitializeComponent();
            ChargerListDesSite();
            List <string> ListOperation = new List <string>();

            ListOperation = SessionObject.TypeOperationClasseur().ToList();
            tab4_cbo_Operation.ItemsSource = null;
            tab4_cbo_Operation.ItemsSource = ListOperation;
            if (ListOperation != null && ListOperation.Count != 0)
            {
                tab4_cbo_Operation.SelectedItem = ListOperation[0];
            }
            prgBar.Visibility = System.Windows.Visibility.Collapsed;
            RemplirCodeRegroupement();
        }