private void UnsubscribeFromChordEvents(Chord chord) { ThrowIfArgument.IsNull(nameof(chord), chord); chord.NotesCollectionChanged -= OnChordNotesCollectionChanged; }
private void UnsubscribeFromChordEvents(Chord chord) { ThrowIfArgument.IsNull(nameof(chord), chord); chord.NotesCollectionChanged -= OnChordNotesCollectionChanged; }