/// <summary>
/// Schedule timer, same with Non-Static Schedule(DateTime, double) method.
/// </summary>
/// <param name="timeoutHandler">Timeout handler</param>
/// <param name="firstTimeoutTime">first timeout time</param>
/// <param name="period">period, in seconds</param>
/// <param name="cancelHandler">timer cancel handler</param>
/// <returns>new timer object</returns>
public static Timer Schedule(TimeoutHandler timeoutHandler,
DateTime firstTimeoutTime,
double period = 0.0,
TimerCancelHandler cancelHandler = null)
{
Timer timer = new Timer(timeoutHandler, cancelHandler);
timer.Schedule(firstTimeoutTime, period);
return timer;
}