/// <summary> /// Called when event. /// </summary> /// <param name="EventStruct">The event struct.</param> /// <returns>Returns result of event operation.</returns> public override object OnEvent(ref REXEvent EventStruct) { object result = null; if (ExtensionRef != null) { result = ExtensionRef.OnEvent(ref EventStruct); } // insert code here. if (result == null) { return(base.OnEvent(ref EventStruct)); } else { return(result); } }