commacros.h

电脑编程技巧和源码。很不错的。

#ifndef _COMMACROS_H_
#define _COMMACROS_H_

#ifndef IMPLEMENT_IUNKNOWN

#define IMPLEMENT_IUNKNOWN_ADDREF(ObjectClass,InterfaceClass) \
STDMETHODIMP_(ULONG) ObjectClass::X##InterfaceClass::AddRef(void)\
	{\
	 METHOD_PROLOGUE(ObjectClass,InterfaceClass);\
	 return pThis->ExternalAddRef();\
    }

#define IMPLEMENT_IUNKNOWN_RELEASE(ObjectClass,InterfaceClass) \
STDMETHODIMP_(ULONG) ObjectClass::X##InterfaceClass::Release(void)\
	{\
	 METHOD_PROLOGUE(ObjectClass,InterfaceClass);\
	 return pThis->ExternalRelease();\
    }

#define IMPLEMENT_IUNKNOWN_QUERYINTERFACE(ObjectClass,InterfaceClass) \
STDMETHODIMP_(LONG) ObjectClass::X##InterfaceClass::QueryInterface(REFIID riid,LPVOID *pVoid)\
	{\
	 METHOD_PROLOGUE(ObjectClass,InterfaceClass);\
	 return pThis->ExternalQueryInterface(&riid,pVoid);\
    }

#define IMPLEMENT_IUNKNOWN(ObjectClass,InterfaceClass)\
	   IMPLEMENT_IUNKNOWN_ADDREF(ObjectClass,InterfaceClass)\
	   IMPLEMENT_IUNKNOWN_RELEASE(ObjectClass,InterfaceClass)\
	   IMPLEMENT_IUNKNOWN_QUERYINTERFACE(ObjectClass,InterfaceClass)
#endif
#endif