| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version | ||||||||||
Arguments: object
Returns true if the argument is an instance of the
button-info class and returns nil
otherwise.
Copyright (c) 1998-2019, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.2 page.
Created 2012.5.30.
| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version | ||||||||||