shiftKeyStateChanged(fromState:toState:)
Indicates a transition in the state of the Shift key.
Declaration
func shiftKeyStateChanged(fromState oldState: BEKeyModifierFlags, toState newState: BEKeyModifierFlags)Parameters
- oldState:
The previous state of the Shift key.
- newState:
The new state of the Shift key.
Mentioned in
Discussion
The system invokes this method when a person presses or releases the Shift key, or toggles the Caps Lock key.