protected void ClockEvent(Object source, ElapsedEventArgs e)
{
//Finished cycle
if (secondsPassed >= (sl.redLightDuration + sl.yellowLightDuration + sl.greenLightDuration))
{
secondsPassed = 0;
}
//Begin cycle
if (secondsPassed == 0)
{
sl.turnOn("red");
}
if (secondsPassed == sl.redLightDuration)
{
sl.turnOn("yellow");
}
if (secondsPassed == (sl.redLightDuration + sl.yellowLightDuration))
{
sl.turnOn("green");
}
secondsPassed++;
Refresh();
}