Class XbpRadioButton() Foundation
Class function of the XbpRadioButton class.
The XbpRadioButton class provides the radio button dialog element. A radiobutton, like a checkbox, can be in one of two available states: "selected" or "not selected". These two conditions are identified by the logical values .T. (true) and .F. (false).
A radiobutton differs from a checkbox in that it must always be part of a group of two or more radiobuttons. Within each group of radiobuttons only a single radiobutton can be selected at any one time. The relationship of a radiobutton to the group is defined by the parent and owner of the radiobuttons. All radiobuttons that have the same parent and owner belong to a single radiobutton group. If a radiobutton that was not previously selected is clicked, it changes to the "selected" state and the previously selected radiobutton is reset to the "not selected" state. The XbpStatic dialog element is generally used to draw a box around the radiobuttons and is used as the parent and owner for the radiobutton group. This allows the radiobuttons to be visually grouped and multiple radiobutton groups to be placed in a single window.
The instance variables in this group configure system resources. If changes are made to these values, they must either be made before the :create() method is executed or the :configure() method must be used to activate the changes.
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