public PdfFormField GetRadioGroup(bool noToggleToOff, bool radiosInUnison)
{
PdfFormField field = PdfFormField.CreateRadioButton(writer, noToggleToOff);
if (radiosInUnison)
field.SetFieldFlags(PdfFormField.FF_RADIOSINUNISON);
field.FieldName = fieldName;
if ((options & READ_ONLY) != 0)
field.SetFieldFlags(PdfFormField.FF_READ_ONLY);
if ((options & REQUIRED) != 0)
field.SetFieldFlags(PdfFormField.FF_REQUIRED);
field.ValueAsName = vchecked ? onValue : "Off";
return field;
}