public DifficultyButton(PETrackDifficulty trackDiff, Button button) : base(trackDiff.MidiTrack, trackDiff.Difficulty) { this.Button = button; }
public DifficultyButton(PETrackDifficulty trackDiff, Button button) : base(trackDiff.MidiTrack, trackDiff.Difficulty) { this.Button = button; }