The time interval between screen refresh updates.
- iOS 3.1+
- Mac Catalyst 13.0+
- tvOS 9.0+
The value for duration is undefined before the target’s selector has been called at least once. Your application can calculate the amount of time it has to render each frame by multiplying
Configuring the Display Link
The number of frames that must pass before the display link notifies the target again.
A Boolean value that states whether the display link’s notifications to the target are suspended.
The time value associated with the last frame that was displayed.
The time value associated with the next frame that was displayed.