pub type AUParameterAutomationObserver = *mut DynBlock<dyn Fn(NSInteger, NonNull<AUParameterAutomationEvent>)>;Available on crate features
AUParameters and block2 only.Expand description
A block called to record parameter changes as automation events.
See the discussion of -[AUParameterNode tokenByAddingParameterAutomationObserver:].
Parameter numberEvents: The number of events being delivered.
Parameter events: The events being delivered.
See also Apple’s documentation