Method Oo_App_Viewer (0Xe); Attribute Oo_App_Icon (0Xf); Method Oo_App_Ext_Help (0X10); Method Oo_App_Notice_Install (0X11) - Texas Instruments TI-89 Developer's Manual

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7.3.1.3.14.

Method OO_APP_VIEWER (0xE)

BOOL AppViewer(AppID self , BYTE * vartype , WINDOW *, HSYM symbol )
The [F6: Contents] menu command of the VAR-LINK window calls this method of
each application in turn until one of them returns TRUE. If an application knows
how to display variables of type vartype , it displays the contents of variable
symbol in the given window and returns TRUE.
This method is optional. Applications which implement new data types may use
this method to display a variable it understands in the VAR-LINK contents
window. If no application returns TRUE, then the variable's contents are not
displayed.
7.3.1.3.15.

Attribute OO_APP_ICON (0xF)

BITMAP * GetAppIcon(AppID)
A pointer to a BITMAP which represents the application's icon.
This attribute is optional.
7.3.1.3.16.

Method OO_APP_EXT_HELP (0x10)

void AppExtHelp(AppID self, USHORT strnum)
The catalog screen calls this method when the users presses [F1: Help] for a
function or command extension implemented by the application.
This method is optional. It should only be implemented if the application exports
TI-BASIC extensions. The system implementation of this method displays the
extension's help string if this method is not implemented.
7.3.1.3.17.

Method OO_APP_NOTICE_INSTALL (0x11)

void AppNoticeInstall(AppID self, ACB const *)
The OS calls this method in every application when a new application is installed.
The app is passed a pointer to the new application's ACB.
This method is optional.
7.3.1.3.18.

Method OO_APP_ABOUT (0x12)

char const * AppAbout(AppID self)
The VAR-LINK screen calls this method when a user presses [F6: Contents] for a
Flash application. The application returns a pointer to a string containing version
and copyright information.
TI-89 / TI-92 Plus Developer Guide
Chapter 7: Flash Application Layout
Not for Distribution Beta Version January 26, 2001