What MCU/Processor/Board and compiler are you using?
stm32f103rct6/keil
What do you want to achieve?
Set the track of the scroll bar of the list to gray。
What have you tried so far?
Searched the information, and there is no relevant solution.
Is it that my question is too simple? No one answered
maybe you can use lv_bar to achieve this function? use lv_obj_get_scroll_y() get the scroll distance and move the bar indicator