Texas Instruments TI-89 Developer's Guide

Appendix A: System Routines — Menus
897
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
MenuTopSelect
Declaration:
void
MenuTopSelect
(HANDLE
MenuHandle
, SWORD
Index
)
Category(ies):
Menus
Description:
Select a top-level menu item (only one may be selected at a time) by
drawing a thick box around the menu item. Use a value of
L
1 for
Index
to
force no top-level menu item to be selected.
Inputs:
MenuHandle
— Handle returned from
MenuBegin
.
Index
— 0 to the number of top-level items minus 1 or
L
1 to
deselect the currently highlighted item.
Outputs:
None
Assumptions:
MenuHandle
refers to a menu-draw handle returned from
MenuBegin
.
MenuTopSelect
is normally used with redefinable menus.
Side Effects:
None
Availability:
All versions of the TI
-
89 / TI
-
92 Plus.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: MenuBegin, QMenuTopSelect
Example:
See
MenuTopRedef
for an example of using redefinable menus and
MenuTopSelect
.

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA