private void Paso2_3()
        {
            w1_3.Visibility = System.Windows.Visibility.Collapsed;
            w2_3.Visibility = System.Windows.Visibility.Visible;
            w3_3.Visibility = System.Windows.Visibility.Collapsed;
            btnProcess.Content = TextosBotones.bConfirmar;

            this._vm.Concepto = tbxConcepto.Text;
            this._vm.Importe = Convert.ToDouble(tbxImporte.Text);

            this._flujo = FlujoTransferenciaPropia.Confirmacion;
        }
        private void Paso3_3()
        {
            w1_3.Visibility = System.Windows.Visibility.Collapsed;
            w2_3.Visibility = System.Windows.Visibility.Collapsed;
            w3_3.Visibility = System.Windows.Visibility.Visible;
            btnProcess.Visibility = System.Windows.Visibility.Collapsed;
            (ApplicationBar.Buttons[0] as Microsoft.Phone.Shell.ApplicationBarIconButton).IsEnabled = true;

            this._flujo = FlujoTransferenciaPropia.Transferencia;
        }
        private void Paso1_3(bool nuevo = false)
        {
            if (nuevo)
            {
                tbxCuentaOrigen.Text = string.Empty;
                tbxCuentaDestino.Text = string.Empty;
                tbxConcepto.Text = string.Empty;
                tbxImporte.Text = string.Empty;
                lstCuentasCheques.SelectedIndex = -1;
            }

            w1_3.Visibility = System.Windows.Visibility.Visible;
            w2_3.Visibility = System.Windows.Visibility.Collapsed;
            w3_3.Visibility = System.Windows.Visibility.Collapsed;
            btnProcess.Visibility = System.Windows.Visibility.Visible;
            btnProcess.Content = TextosBotones.bContinuar;
            (ApplicationBar.Buttons[0] as Microsoft.Phone.Shell.ApplicationBarIconButton).IsEnabled = false;

            this._flujo = FlujoTransferenciaPropia.Cuentas;
        }