private static IEnumerable <Note> CreateNotes(IEnumerable <TimedEvent> events)
{
ThrowIfArgument.IsNull(nameof(events), events);
var noteOnTimedEvents = new List <TimedEvent>();
foreach (var timedEvent in events)
{
var midiEvent = timedEvent.Event;
if (midiEvent is NoteOnEvent)
{
noteOnTimedEvents.Add(timedEvent);
continue;
}
var noteOffEvent = midiEvent as NoteOffEvent;
if (noteOffEvent != null)
{
var noteOnTimedEvent = noteOnTimedEvents.FirstOrDefault(e => NoteEventUtilities.IsNoteOnCorrespondToNoteOff((NoteOnEvent)e.Event, noteOffEvent));
if (noteOnTimedEvent == null)
{
continue;
}
noteOnTimedEvents.Remove(noteOnTimedEvent);
yield return(new Note(noteOnTimedEvent, timedEvent));
}
}
}
public bool IsCorrespondingNoteOffEvent(NoteOffEvent noteOffEvent)
{
return(NoteEventUtilities.IsNoteOnCorrespondToNoteOff((NoteOnEvent)NoteOnTimedEvent.Event,
noteOffEvent) &&
!IsNoteCompleted);
}