private void nextRound()
{
if (this.round == null)
{
roundNumber = 1;
}
else
{
roundNumber++;
}
this.sound = SoundProvider.Round(roundNumber);
this.sound.Play();
round = getRandomRound();
scoringSystem.CreateNewRound();
this.gameState = GameState.RoundBegin;
this.currentTimerTask = TimeSpan.FromSeconds(6);
this.currentTimeTaskStart = DateTime.Now;
}