| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version |
Arguments: (window color) &body body
The background-color of
window is set to color
during the evaluation of body, and then restored to window's original
background color. color must be a color-number, a
RGB color, or nil
. nil
means use the system background color.
Note: Monochrome devices which support reverse video will generally have a two color (black and white) palette. Reverse video can be achieved by swapping foreground and background color-numbers.
Copyright (c) 1998-2016, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.1 page.
Created 2010.1.21.
| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version |