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

## cancel-button

Arguments: dialog

If dialog has a cancel-button, it is returned by this function. `nil` is returned if dialog has no cancel-button. (Placing multiple cancel-buttons on a dialog is possible but not recommended. If a dialog has multiple cancel buttons, only one is returned by this function, but which one is returned cannot be determined.) See the description of the `cancel-button` class.

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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