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.
Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.
The documentation is described in introduction.htm and the index is in index.htm.
Copyright (c) 1998-2000, Franz Inc. Berkeley, CA., USA. All rights reserved.
Created 2000.10.5.