altKey

Typefunction
DictionaryLCS
LibraryLiveCode Script
Syntax
the altKey
altKey()
Summary

Returns the state of the Alt key.

Introduced1.0
OSmac, windows, linux
Platformsdesktop, server
Example
put the altKey into keyState
if the altKey is down then exit mouseUp
repeat until altKey() = up
Values
NameTypeDescription
return

The altKey function returns down if the key is pressed and up if it's not.

RelatedConstant: return
Message: optionKeyDown
Function: optionKey, value, keysDown
Control Structure: function
Glossary: Meta key, return, function, Alt key, Option key
Description

Use the altKey function to check whether the Alt key, Meta key, or Option key is being pressed. You can use altKey to add alternative capabilities to user actions such as clicking.

The altKey, optionKey, and metaKey functions all return the same value. Which one to use is a matter of preference. The terminology varies depending on platform. Users of different operating systems may know this key as the Option key (Mac OS systems), Meta key (Unix systems), or Alt key (Windows systems).

Tagsui