| Allegro CL version 8.1 This page is new in 8.1. |
Arguments: stream left top right bottom
Erases a rectangle on stream from an upper-left position at
(left, top) to
a lower-right position at (right,
bottom). (Erasing means drawing in the
stream's background-color.)
stream should be a graphical-stream
. The other arguments should be
integers. To use a box object rather than individaul coordinates, see
draw-box.
Copyright (c) 1998-2009, Franz Inc. Oakland, CA., USA. All rights reserved.
Documentation for Allegro CL version 8.1. This page is new in the 8.1 release.
Created 2007.4.30.
| Allegro CL version 8.1 This page is new in 8.1. |