UITraitChangeHandler

Declaration

typedef void (^)(__kindof id<UITraitEnvironment>, UITraitCollection *) UITraitChangeHandler;

See Also

Observing trait changes

• registerForTraitChanges:withAction:
• registerForTraitChanges:withHandler:
• registerForTraitChanges:withTarget:action:
• unregisterForTraitChanges:
• UITraitChangeRegistration