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

## control-key

The value of this constant is an integer that will be passed as a bit flag component of the buttons argument to various event-handling generic functions such as mouse-left-down if either Control key was down when the event occurred. See `extended-key` for how to tell whether the right or left key was down.

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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