C# (CSharp) EventOccuredCallback примеры использования

Пример #1

 static CallbackHandler()
 {
     eventOccuredCb = new EventOccuredCallback(eventOccured);
 }

Пример #2

        private static extern IntPtr ManagedRenderSystemListener_Create(EventOccuredCallback eventOccuredCb
#if FULL_AOT_COMPILE
                                                                        , IntPtr instanceHandle
#endif
                                                                        );