User Activity

I want to use scroll list or scroll wheel functionality using external triggers ( hardware buttons ). Like if I press up key highlighted selection in scroll list will go up and if I press down key selection will go down. And after pressing enter butt...
I am using External events as triggers example for reference.https://support.touchgfx.com/docs/development/board-bring-up/example-gpio/I have successfully changed box color with external events using STM32F429-DISC0 kit.Now, I want to use USR_BTN ( o...