Typical processing of IOPortValueChangedEvents / Typische Verarbeitung von IOPortValueChangedEventshttp://developers.de/blogs/andreas_erben/archive/2008/02/27/typical-processing-of-ioportvaluechangedevents-typische-verarbeitung-von-ioportvaluechangedevents.aspx(German version below, deutsche Version weiter unten) When dealing with IOPortValueChangedEvents, you will have a method like this: [ RfidEventHandlerMethod ] public IOPortValueChangedEvent HandleIOPortValueChangedEvent(     IOPortValueChangedEventenCommunityServer 2008 SP1 (Build: 30619.63)