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>>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.
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>The value cannot be changed in run-time because the are readonly as Sergey said. So I have to look for options that he suggested
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>Thanks for you help.

I probably don't understand what was your problem. You can change values of controls (as a user) in run-time. You can do it interactively or in the code.

You would not be able to change values interactively if you set controls properties to be readonly or disabled (enabled = .f.)