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| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version

## button-match

Arguments: button-state button-form

Compares the button-state to the buttons described in button-form. button-form is recursively defined as follows:

    simple-button-form |
    (only simple-button-form) |
    (not button-form) |
    (or button-form*) |
    (and button-form*) |
    NONE |
    nil |
    UP

Where simple-button-form can be any constant with an integer value. Examples of button-forms are:

    meta-key
    (only shift-key)
    (and (or shift-key meta-key) (not left-mouse-button))

Copyright (c) 1998-2019, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.2 page.
Created 2012.5.30.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version