| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version | ||||||||||
Arguments: dialog
If dialog has a cancel-button, it is returned by this
function. nil is returned if dialog has no
cancel-button. (Placing multiple cancel-buttons on a dialog is
possible but not recommended. If a dialog has multiple cancel buttons,
only one is returned by this function, but which one is returned cannot
be determined.) See the description of the cancel-button class.
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 | ||||||||||