Sets information for the event at a music event iterator’s current position.
- iOS 5.0+
- macOS 10.2+
- Mac Catalyst 13.0+
- tvOS 9.0+
The music event iterator whose current event you want to set.
The type of music event that you are specifying. For possible event types, see
The event data that you are specifying. The size and type of the data must be appropriate for the music event type you specify in the
A result code.
Use this function to set the music event type and event data for the event that a music event iterator is positioned at. This function doesn’t allow you to change an event’s timestamp; to do that, call the