public static void Test()
{
AlarmSource alarmSource = new AlarmSource();
AlarmConsumer alarmConsumer1 = new AlarmConsumer(1);
AlarmConsumer alarmConsumer2 = new AlarmConsumer(2);
AlarmEventWeakEventManager.AddHandler(alarmSource, alarmConsumer1.Listener);
AlarmEventWeakEventManager.AddHandler(alarmSource, alarmConsumer2.Listener);
alarmSource.RaiseAlarm();
// the weak connection: the alarm consumer can be deleted
// and discarded by GC without removing the listener form the source.
// Alarm source still stays alive.
alarmConsumer1 = null;
Assert.IsNull(alarmConsumer1);
GC.Collect();
alarmSource.RaiseAlarm();
}
/// <summary>
/// Stop listening to the given source for the event.
/// </summary>
protected override void StopListening(object source)
{
AlarmSource typedSource = (AlarmSource)source;
typedSource.OnAlarmRaised -= OnAlarmEvent;
}
