| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version |
Arguments: window
Returns the width of the visible-box of window. That box indicates what portion of window's page is currently visible within the window, due to its scroll-position and size. The visible box changes when a window is scrolled or resized. See visible-box.
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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 |