>>If you examine your SCX file as a table, you may find it saved in the Properties field.
>
>When running as EXE can I change the values?

I'm not sure what problem do you have. You definitely can change values of the checkbox / optiongroup in run-time (unless the controls are marked as enabled or read-only). If you need to save the values, you need to save them somewhere, the simplest way would be to save them in the database.