Type used to represent elapsed time in seconds.
SDKs
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Framework
- Core Foundation
Declaration
typedef double CFTimeInterval;
Type AliasCFTime
Type used to represent elapsed time in seconds.
SDKs
Framework
typedef double CFTimeInterval;