dialog two buttons

Hello. currently im doing a project to detect road marking using multiple special geometric criteria. My idea was when the user has two choices, the program prompts the user to choose which way to go. in my program, I used a marking 'go left or right' and I plan to use two button dialog box. However, it only appears once at the beginning of the program and no longer appears. is it something wrong with the loop or in my program? or if you guys can share an idea of how is the best prompt the user to make choices.

I here enclose the program along with the models. any help is very appreciated. Thank you

your code should be something like this

Tags: NI Hardware

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