preferredBehavioralStyle
The preferred behavioral style.
Declaration
var preferredBehavioralStyle: UIBehavioralStyle { get set }Discussion
Use this property to specify the behavioral style for the button. If the value of the property is UIBehavioralStyle.automatic, use the behavioralStyle property to determine the actual style.
The default value for preferredBehavioralStyle is UIBehavioralStyle.automatic. To learn more about behavioral styles, see UIBehavioralStyle.