Initializes a new instance of the PdfChoiceOption class: an option whose export value and display text differ.
public PdfChoiceOption(string exportValue, string displayText)
The value exported when the option is selected.
The text shown for the option.
ISO 32000-2 §12.7.5.4, Table 234 (Opt): written as [export display], or as one text string when both are equal.