Use this function to return the list of options that are available in the field that is currently selected.
OptionString := FieldRef.OPTIONSTRING
Refers to the current field.
Property Value/Return Value
The list of options that is available in the field.
All the options for this field are returned as a comma separated string.
This function returns an error if no field is selected.
If the field is not an option an empty string is returned