| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version |
Arguments: standard-object
Returns true or nil
as
standard-object (typically a component or
menu-item) is or is not available. An unavailable object cannot be
selected or chosen. It is usually displayed with a visual clue that it
is unavailable (i.e. it is dimmed or grayed out).
The value returned can be changed with setf and this function.
Copyright (c) 1998-2022, Franz Inc. Lafayette, CA., USA. All rights reserved.
This page was not revised from the 10.0 page.
Created 2019.8.20.
| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version |