Rock.Apps.CheckScannerUtility.OptionsPage.LoadDropDowns C# (CSharp) Méthode

        private void LoadDropDowns()
        {
            cboImageOption.Items.Clear();
            cboImageOption.Items.Add( "Black and White" );
            cboImageOption.Items.Add( "Grayscale" );
            cboImageOption.Items.Add( "Color" );

            cboScannerInterfaceType.Items.Clear();
            if ( this.BatchPage.rangerScanner != null )
            {
                cboScannerInterfaceType.Items.Add( "Ranger" );
            }

            if ( this.BatchPage.micrImage != null )
            {
                cboScannerInterfaceType.Items.Add( "MagTek" );
            }

            if ( cboScannerInterfaceType.Items.Count == 0 )
            {
                lblScannerError.Visibility = Visibility.Visible;
                btnSave.IsEnabled = false;
            }
            else
            {
                lblScannerError.Visibility = Visibility.Collapsed;
                btnSave.IsEnabled = true;
            }

            cboMagTekCommPort.ItemsSource = System.IO.Ports.SerialPort.GetPortNames();
        }