Returns the next firing time for a CFRunLoopTimer object.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
The run loop timer to examine.
The next firing time for
timer. This time could be a date in the past if a run loop has not been able to process the timer since the firing time arrived.
CFRunLoopTimer Miscellaneous Functions
Returns a Boolean value that indicates whether a CFRunLoopTimer object is valid and able to fire.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.Learn more about using Apple's beta software