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Text File | 1996-09-17 | 963 b | 21 lines | [TEXT/CWIE] |
- According to the Tech Note OV - 16, "Inside Macintosh: More Macintosh
- Toolbox, page 5-7, specifies that the gestaltIconUtilitiesAttr - 'icon'
- gestalt selector can be used to determine whether the icon utilities
- are present under System 7.x. Note that this selector is included in
- the GestaltEqu files. It turns out that this selector is not
- implemented until System Software v7.1.2. To check for the existence of
- these utilities, use the TrapAvailable code to check for the
- _IconDispatch, (0xABC9) trap. The TrapAvailable code is presented in
- Inside Macintosh VI 3-8, and as sample code in many of the snippets
- on the Developer CD."
-
- This snippet shows how to determine whether the Icon Utilities
- are available.
-
- Written by Virginia (Ginny) McCulloh
- Apple Developer Technical Support
- August 1995, Cupertino, CA
- Copyright 1995, Apple Computer, Inc.
-
- This runs under Think C 7.0.4, CodeWarrior 6,
- and MPW 3.3.1 with the Universal Headers.