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error 404 altKey | revDocs | RunRev
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Product Edition
Version
altKey
Basics
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Type
Function
Syntax

the altKey

altKey()

Introduced
1.0
Environment
Desktop, Web and Server
Platform Support
MacOS,Mac OS X,Windows,Linux
Security
None required
Summary
Returns the state of the Alt key.
Examples

put the altKey into keyState
if the altKey is down then exit mouseUp
repeat until altKey() = up

Additional Comments
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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.

Value:

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

Comments:

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).

User Comments
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