Horizontal Scrollbar
Description #
This item places a clickable horizontal scrollbar on the screen and
handles all movement clicking with associated handlers.
Note for onClick: (bc) and (bc+1) are the little-endian current
values of the scrollbar position for OnScrollLeft and OnScrollRight.
Type ID: $14
Format #
Datalength: 16 bytes
0: x-coordinate [1 byte]
1: y-coordinate [1 byte]
2: height in pixels [1 byte]
3: ID number [1 byte]
4: Increment/decrement per click [2 bytes]
6: Minimum value on scrollbar [2 bytes]
8: Maximum value on scrollbar [2 bytes]
10: Current value on scrollbar [2 bytes]
12: Onclick pointer for leftward scrolling [2 bytes]
14: Onclick pointer for rightward scrolling [2 bytes]