public ChaserStateSound this[int index]
            {
                get
                {
                    switch (index)
                    {
                        case 0: return sound0;
                        case 1: return sound1;
                        case 2: return sound2;
                        case 3: return sound3;
                        case 4: return sound4;
                    }

                    return new ChaserStateSound();
                }
            }