class EventClient;
class EventServer;
static class EventHandler;

class EventClient
{
public:
virtual int HandleEvent(void* SourceObject, int EventID, int ClassID, int
Param1, void* Param2);
};

class EventServer
{
public:
int AddEventHandler(EventClient* Client, int EventID, int ClassID);
int RemoveEventHandler(EventClient* Client, int EventID, int ClassID);
protected:
int PostEvent(int EventCode);
private:
LinkedList<EventHandler> Handlers;
};

static class EventHandler
{
public:
EventClient* Client;
int EventID;
int ClassID;
};