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Current GUI with the buttons in question

My problem is that I need to prevent the user from clicking the Next Button when specific conditions are not met, I thought the best way for this would be to overwrite the onClickEvent for this Button but it seems impossible to the required field access to these buttons.

I looked through the available methods in the documentation as well as the source code but I was not able to find anything which would help to achieve my goal.

Thomas
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  • Please provide enough code so others can better understand or reproduce the problem. – Community Sep 02 '22 at 21:10
  • The only solution I found was to basically copy the Wizard class(by this I mean to copy the src. code) change the necessary parts there – Thomas Dec 19 '22 at 14:19

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