info-mac@uw-beaver (info-mac) (08/22/84)
From: Eric Roskos <jer%vanderbilt.csnet@csnet-relay.arpa> The keys you mention are called "Modifier Keys." Their status is returned in the "modifiers" field of the EventRecord, which has bits assigned to each modifier key as follows: 11 - option key 10 - caps lock key 9 - shift key 8 - command key 7 - mouse button where the bits are numbered in <15:0> order. However, the modifier keys don't generate an event when depressed on their own; they are just returned as part of the event record for another event. See "The Event Manager: A Programmer's Guide" (/EMGR/EVENTS.3 in the 6/20/83 edition) for a full description.