protected virtual void OnThresholdReached(ThresholdReachedEventArgs e)
{
//the hander receives the method binded int the instance of the delegate
EventHandler <ThresholdReachedEventArgs> handler = ThresholdReached;
if (handler != null)
{
//invoke the delegate passing the Counther class and the EventArgs
handler(this, e);
}
}
public void Add(int x)
{
total += x;
if (total >= threshold)
{
ThresholdReachedEventArgs args = new ThresholdReachedEventArgs();
args.Threshold = threshold;
args.TimeReached = DateTime.Now;
//pass the values to event handler
OnThresholdReached(args);
}
}
static void c_ThresholdReached(object sender, ThresholdReachedEventArgs e)
{
Console.WriteLine("The threshold of {0} was reached at {1}.", e.Threshold, e.TimeReached);
Environment.Exit(0);
}