| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version |
Arguments: x
Returns true if its argument is a dialog-item
(i.e. control suitable to be placed on a dialog) and returns nil
otherwise.
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 |