Mixin class used to represent a control that can be toggled between selected and non-selected states. In addition, a Toggle can be assigned a
ToggleGroup, which manages all assigned Toggles such that only a single Toggle within the
ToggleGroup may be selected at any one time.
The ToggleGroup to which this
The typical usage scenario is:
Indicates whether this Toggle is selected. This can be manipulated programmatically.