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OTHER FOXBASE from page 2
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more than a Large switch implemented as a DO CASE construct with each CASE containing a DO command to transfer control to the appropriate processing program.
PARAMETERS men, command
DO
CASE
CASE men=1
DO CASE
CASE command=1
DO
program
A
CASE command=2
DO
program
B
CASE command=3
DO program C
ENDCASE
CASE men =2
DO CASE
CASE command=1
DO
program D
This straightforward approach will get you a functional menu facility that Looks and feels like the menu on any Mac program. There are also several options that let you dress it up by styling the menu
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commands with boLd or italic, inserting separators for groupingcommands on the menus, and defining command key equivalents.
With two other commands you can disable and enable individual commands or entire menus on the fly, to keep users in a channel or temporarily prevent them from wandering into trouble. MENU OFF 1 will “grey out” menu 1 so that user can see it but can not activate any commands, while MENU OFF 1,3 will disable only command 3 on menu 1. Likewise MENU ON 1,3 will turn it back on again. You can also turn menu elements off “permanently”so users can see the whole menu structure but can’t activate commands that are not yet implemented.
The steps described above build menus “to the right” of the Edit menu on a standard Mac menu bar
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that is, menu 1 is the one next to Edit. It is
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also possible, with several restrictions, to manipulate commands that appear on the Apple, File, and Edit menus.
As you can see it isn’t very difficult to construct a menu facility that is tailored to the unique requirements of a custom application. When combined with the normal Mac screen control mechanisms the result is a high degree of flexibility for the user to navigate and change direction at will. And, by the way, this all works under Multifinder, so the users also have quick access to other applications in the normal way.
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ADDRESS CORRECTION
REQUESTED
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FIRST CLASS MAIL
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CHARLES H. WILLIAMS
Macintosh Expertise plus Management Expertise
977 Ashbridge Lane, Harbor
eiiy,
California,
90710
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L.A. FOX
2616 Vargas Way
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