Btn in a obj with a bottun border which can not be deleted by LV_BORDER_SIDE_NONE

I used the above method to create a menu. I don’t know whether it is correct. I haven’t seen a good example in the source code to implement it

Oh my, I have so many questions…

What does your menu look like?
Does it look/behave like you would expect/want?

Have you read the docs? Specifically: