>>>Nadya,
>>>
>>>No, I didn't specifically try to reproduce this problem. I am 99.9% sure though that it'll be solved by setting ButtonCount = 0 in your lowest level opg subclass. If that doesn't fix it I can look into it some more.
>>
>>Hi David,
>>
>>I set ButtonCount to 0 in my class, but it didn't solve the problem :( In my code I set first option to 1 programmatically, then another option to 1 programmatically. As a result I see two options selected. But I need only the last option, which I set, to be selected. How can I solve the problem in easy way?
>>
>>Thanks a lot in advance.
>>
>>UPDATE. I've just created a test form with option group with 3 option buttons. I programmatically set button's values to 1 (2nd and 3rd) and as a result all 3 options were selected. I'm wondering, what is the behavior in VFP7/8 and is this considered a bug or not?
>>
>>In any case, what is the workaround against this behavior?
> Hi Nadya,
>How are you programmatically setting the button's values? If you do it with
>thisform.optiongroup1.value = 4 (say in the init of a form) then the 4th button in the option group will be selected.
>If you do it like this
>thisform.optiongroup1.option1.value = 0
>thisform.optiongroup1.option2.value = 1
>thisform.optiongroup1.option3.value = 1
>thisform.optiongroup1.option4.value = 0
>thisform.optiongroup1.option5.value = 1
>then options 2,3,5 will show as selected. If you add a command button with a click of
>thisform.optiongroup1.option1.value = 1
>thisform.refresh
>then options 1,2,3,and 5 will show as selected. But if you use
>thisform.optiongroup1.value = 1
>thisform.refresh
>then only option1 will be shown as selected.
>HTH Sammie

Thanks to all. So, the workaround is very simple: just set the option group value to the number of the button, I want selected. This would simplify my class, but I'm wondering, how would it affect existing configurations. I'm going to play with it more.

Thanks again.