code: public void init(BaseField field, BaseField fldTarget, Converter checkMark, String fieldName)
      {
          super.init(field, fldTarget, checkMark, fieldName);
      }
docs: Constructor.
  @param field The basefield owner of this listener (usually null and set on setOwner()).
  @param field The destination last name field.
  @param iFieldSeq The sequence of the last name field in this record.
  @param checkMark If false, do not move the last name.