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Allegro CL version 8.1
This page is new in 8.1.


Arguments: window-or-screen box

Returns the bounding box of all monitors in the system on newer versions of Windows, when passed the screen. On Windows with multiple monitors, the returned box will be the bounding rectangle for all monitors when window-or-screen is the screen. Otherwise this function returns the same box as nexterior.

window-or-screen should be either a window or the screen. For a window this is the same as calling nexterior.

box should be a box object (see make-box) as created with make-box or with-boxes. This box object is modified and returned.

When window-or-screen is the screen, this function simply calls make-box-relative on the values returned by virtual-screen-left, virtual-screen-top, virtual-screen-width, and virtual-screen-height.

See also virtual-exterior, usable-left, usable-top, usable-width, and usable-height.

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.