first-visible-line

Arguments: window

Returns an index indicating the line of text that is currently scrolled to the top of the window (which may be a component other than a window, such as a multi-line-editable-text control).

Zero indicates the first line of text. window can be a text-edit-window, a text-edit-pane, a multi-line-editable-text component, or a single-item-list or multi-item-list component or an outline control.

Copyright (c) 1998-2009, Franz Inc. Oakland, CA., USA. All rights reserved.
Documentation for Allegro CL version 8.1. This page was not revised from the 8.0 page.
Created 2009.9.22.