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| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version

## up-down-control-pane

The class of widget-windows that are instantiated whenever an `up-down-control` is added to a window. Probably not of concern to applications unless it needs to intercept low-level window events of an `up-down-control` subclass or otherwise add methods to the widget-window of an `up-down-control`. See `os-widget-window`.

A diagram of window and widget classes is shown in Widget and window classes in cgide.htm.

Copyright (c) 1998-2022, Franz Inc. Lafayette, CA., USA. All rights reserved.
This page was not revised from the 10.0 page.
Created 2019.8.20.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version