}

//这就是CopyCallback方法，拷贝钩子的所有功能由它实现。参数的具体值参看MSDN

UINT __stdcall CCopyHook::CopyCallback(HWND hwnd,UINT wFunc,UINT wFlags,

                                                     LPCTSTR pszSrcFile,DWORD dwSrcAttribs,

                                                     LPCTSTR pszDestFile,DWORD dwDestAttribs){

            char szMessage[MAX_PATH+14];

            sprintf(szMessage,"对%s进行的操作，是否继续？",pszSrcFile);

            return MessageBox(NULL,szMessage,"确认",MB_YESNO|MB_ICONEXCLAMATION);

}

ULONG __stdcall CClassFactory::AddRef(){

            if(m_refcnt==0)

                        nLocks++;

            m_refcnt++;

            return m_refcnt;

}

ULONG __stdcall CClassFactory::Release(){

            int nNewCnt=--m_refcnt;

            if(nNewCnt<=0){

                        nLocks--;

                        delete this;

            }

            return nNewCnt;

}

HRESULT __stdcall CClassFactory::QueryInterface(REFIID iid,void** ppvObject){

            if(iid==IID_IUnknown)

                        *ppvObject=static_cast<IUnknown*>(this);

            else

                        if(iid==IID_IClassFactory)

          &