| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version | ||||||||||
Arguments: object
Returns true if the argument is an instance of the
button-info class and returns nil
otherwise.
Copyright (c) 1998-2016, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.1 page.
Created 2010.1.21.
| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version | ||||||||||