lv_buttonmatrix_set_selected_button

lightvgl_sys

Function lv_buttonmatrix_set_selected_button 

Source 
pub unsafe extern "C" fn lv_buttonmatrix_set_selected_button(
    obj: *mut lv_obj_t,
    btn_id: u32,
)
Expand description

Set the selected buttons @param obj pointer to button matrix object @param btn_id 0 based index of the button to modify. (Not counting new lines)