event.h

设计模式模板源码

/////////////////////////////////////////////////////////////////////////////
// Event.h : Interface to event classes.
//

#ifndef _XP_EVENT_H__
#define _XP_EVENT_H__


#include "..\CppIface.h"

#define XP_IEVENT_IID     \
{ 0x8a189176, 0xb5e8, 0x4c7e, { 0x97, 0xfc, 0xa2, 0x2e, 0x57, 0x7, 0xe6, 0x5f } };

///////////////////////////////////////////////////////////////////////////
//@doc IEvent
//
//@class IEvent | Base interface for event objects.
//
//@base public | IRefCount
//@base public | IQueryGuid
//
class IEvent : public IRefCount, public IQueryGuid
{
public:
	//@cmember,mfunc
	// Dispatches the event to the given event listener.
	//@@rdesc Returns true if event dispatched successfully, otherwise false.
	//@@parm Pointer to listener object to receive the event.
	//@@end
	/* Dispatches the event to the given event listener*/
	virtual XPBool Dispatch(IQueryGuid* pIListener) = 0;

	XP_IMPL_IID(XP_IEVENT_IID)	
};


#endif  // #ifndef _XP_EVENT_H__