set-first-visible-line

Arguments: window-or-widget line &optional relative-p

If relative-p is nil (the default), this function scrolls the window-or-widget so that line is the first visible line. If relative-p is true, scrolls the window so the first visible line is line lines from the current position.

window-or-widget may be a text-edit-window, text-edit-pane, multi-line-editable-text, single-item-list, multi-item-list, outline, or scrolling-static-text.

line should be an integer, identifying the line to be displayed (if relative-p is nil) or the number of lines from the current position to be displayed (if relative-p is true). Zero indicates the topmost line.

relative-p is a boolean which controls whether line should be interpreted as an absolute (value nil, the default) or a relative (value true) number.

The return value is undefined.

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Created 2010.1.21.