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Table of Contents
TI
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89 / TI
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92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
8.7. VAR-LINK...........................................................................................................76
9. Application Control Flow.........................................................................77
9.1. Event-Driven Architecture ..................................................................................77
9.2. Event Structure Layout.......................................................................................78
9.3. Commands.........................................................................................................79
9.4. Starting and Stopping an Application.................................................................84
9.5. Keyboard Events................................................................................................85
9.6. Menu Processing ...............................................................................................85
9.6.1. Static Menus.........................................................................................................86
9.6.2. Dynamic Menus....................................................................................................87
9.7. Paint Events.......................................................................................................88
9.8. Background Events............................................................................................88
9.9. Default Event Handler........................................................................................88
9.9.1. CM_KEY_PRESS.................................................................................................88
9.9.2. CM_PASTE_STRING...........................................................................................91
9.9.3. CM_PASTE_HANDLE..........................................................................................92
9.9.4. CM_STO...............................................................................................................92
9.9.5. CM_RCL...............................................................................................................92
9.9.6. CM_DEACTIVATE ...............................................................................................92
9.9.7. CM_ACTIVATE ....................................................................................................92
9.10. Installing, Moving, and Deleting an Application................................................92
10. Error Handling......................................................................................95
10.1. Throwing an Error..........................................................................................95
10.2. Delayed Error Messages ...............................................................................95
10.3. Throwing Your Own Errors ............................................................................96
10.4. Catching Errors..............................................................................................97
10.5. Cleaning Up...................................................................................................97
10.6. Caveats..........................................................................................................98
10.6.1. Jumping Out of TRY Blocks ..........................................................................98
10.6.2. Referencing Auto Variables in ONERR/FINALLY Blocks..............................99
10.6.3. Where Not to Throw Errors ...........................................................................99
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