| Allegro CL version 6.1 Unrevised | |||||||||
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 is returned is cannot
be determined.) See the description of the cancel-button class.
Copyright (c) 1998-2001, Franz Inc. Berkeley, CA., USA. All rights reserved.
Documentation for Allegro CL version 6.1 update # 1. This page was not revised.
Created 2001.12.15.
| Allegro CL version 6.1 Unrevised | |||||||||