Source: Motif; CUA; Windows
Aliases: Command button; Option button
Related: Check box; Button; Tool bar
SCO Visual Tcl commands: VtRadioBox, VxRadioBox
A radio button is a screen object used for selecting an item from a small
list of fixed, mutually exclusive options. A radio button is
composed of a graphic that shows the selected item and a
text or graphic label (Motif uses a diamond, Windows uses
One item should always be selected (preferably the
default choice). Selecting one radio button deselects
another (or all the rest).
Used for selection, not for navigation or for invoking a command.
Use radio buttons when there are three or fewer choices.
Use a single-selection list box when there are more than
Group radio buttons by surrounding them with blank
space; use a group box only if necessary.
© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003