| Allegro CL version 10.0 Unrevised from 9.0 to 10.0. 9.0 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 9.0 page.
Created 2015.5.21.
| Allegro CL version 10.0 Unrevised from 9.0 to 10.0. 9.0 version |