Texas Instruments TI-89 Developer's Guide

328
Appendix A: System Routines — Apps
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
OO_UninstallAppHookByName
Declaration:
BOOL
OO_UninstallAppHookByName
(UCHAR const *
appname
,
pFrame
hookFrame
)
Category(ies):
Apps
Description:
This routine uninstalls an application hook previously installed with a call to
OO_InstallAppHook
or
OO_InstallAppHookByName
.
Inputs:
appname
— Internal name of application from which to remove the
hook.
hookFrame
— Pointer to the frame to unhook. Use the hook frame value
returned from
OO_InstallAppHook
or
OO_InstallAppHookByName
.
Outputs:
Returns TRUE if the hook was found and removed from the app’s list of
hooks. Returns FALSE if the application could not be found or the hook
could not be found in the application’s hook list.
Assumptions:
This routine frees the memory occupied by the hook.
Side Effects:
None
Availability:
On AMS 2.00 and higher.
TI-89 / TI-92 Plus
Differences:
None
See Also: OO_InstallAppHook, OO_InstallAppHookByName,
OO_UninstallAppHook
Example:
pFrame hook;
.
.
.
/* hook contains pointer stored by call to OO_InstallAppHookByName */
OO_UninstallAppHookByName((UCHAR const *)"MYAPP", hook);

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