Why the 17th slider could not be drawn?

I want to draw 17 sliders into my gui application. The 16th slider is disappeared when i add the 17th slider. That’s why?

The most classical copy and paste error … it happens all the time to me. You set the bounds for slider16 in the block of slider17. But have you considered generating them with a loop and maybe packing them into a layout e.g. Grid?

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Thank you !! I know:+1::+1: