toggling-widget

The non-instantiable dialog-item class that groups together all widgets that have a value that can be toggled between true and nil. (An exception is the static-picture subclass, which does not have a true-or-nil value but which is grouped with the picture-button class for other reasons.)

The subclasses are button, check-box, radio-button, and picture-widget.

A diagram of window and widget classes is shown in Widget and window classes in cgide.htm.

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This page was not revised from the 8.2 page.
Created 2012.5.30.