private void OnTick()
{
lastTickEvent.Canceled = true;
lastTickEvent = new TickEventArgs(TimeLimit - ElapsedTime);
Tick(this, lastTickEvent);
}
public GameTimer(int timeLimit)
{
this.TimeLimit = timeLimit;
this.secondTimer = new Timer(OnTick);
this.lastTickEvent = new TickEventArgs(0);
}