BBB TrackBar_Make( position x, position y, width, height, minimum range, maximum range, parent )

BBB TrackBar_SetPosition trackbar, position
BBB TrackBar_SetMinimumRange trackbar, range
BBB TrackBar_SetMaximumRange trackbar, range

BBB TrackBar_GetPosition( trackbar )
BBB TrackBar_GetMinimumRange (trackbar)
BBB TrackBar_GetMaximumRange( trackbar )