struct ISystemEventDispatcher {
};

ISystem.h

Structure used for getting notified when a system event occurs.

virtual ~ISystemEventDispatcher();

virtual void OnSystemEvent(ESystemEvent event, UINT_PTR wparam, UINT_PTR lparam) = 0;

virtual bool RegisterListener(ISystemEventListener * pListener) = 0;

virtual bool RemoveListener(ISystemEventListener * pListener) = 0;

virtual void Update() = 0;