Sets the font style used to display the UPC values that appear outside of the left and right guard bars.
An integer value which represents the style of the font:
0 - Bold
1 - Italic
2 - Underline
3 - Strikethrough
An integer value which represents the style of the font:
0 - Bold
1 - Italic
2 - Underline
3 - Strikethrough
The default value is ?
Outside value text is only written for certain barcodes where this is standard. The barcode types that support outside text are UPC-A, UPC-E, EAN-8, and EAN-13. For all other types, this value is ignored.