Wolfram Language & System 11.0 (2016)|Legacy Documentation

This is documentation for an earlier version of the Wolfram Language.View current documentation (Version 11.2)

Opener

Opener[x]
represents an opener with setting x, displayed as when x is True and when x is False.

Opener[Dynamic[x]]
takes the setting to be the dynamically updated current value of x, with the value of x being toggled if the opener is clicked.

Details and OptionsDetails and Options

Introduced in 2007
(6.0)