Hello.
I have 10 groups of test answers in the application.
In each group there are 3 possible answers in the checkbox.
Only 2 answers can be marked in each group.
What could be the optimal solution so that I don't have to write 10 procedures? Every suggestion ... link will help.
Well thank you.
Ondrej
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Please show your screen layout and relevant blocks so far
So you want the maximum number of CheckBoxs that are checked to be 2?
Yes, two are right, one false. But my blocks are only a proposal for the author according to what I understood he might have wanted.
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I didn't quite understand his topic either, especially the below apostrophe:
I'm not sure if that means 2 answers are correct, or if the maximum number of CheckBoxs to be checked should be 2...
Yes, many options. One could extend by the following blocks. Then you can select two ones, a third one will not be possible not before one of the checked one is unchecked.
Well, now I leave it to the author. Perhaps he can use some of the ideas mentioned here. 
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Thank you very much !
Ondrej