else

                         return E_NOINTERFACE;

            reinterpret_cast<IUnknown*>(*ppvObject)->AddRef();

            return S_OK;

}

HRESULT __stdcall CClassFactory::CreateInstance(IUnknown* pUnkownOuter,REFIID riid,void** ppvObj){

            if(pUnkownOuter!=NULL)

                        return CLASS_E_NOAGGREGATION;

            CCopyHook* pObj=new CCopyHook;

            pObj->AddRef();

            HRESULT hr=pObj->QueryInterface(riid,ppvObj);

    pObj->Release();

            return hr;

}

HRESULT __stdcall CClassFactory::LockServer(BOOL fLock){

            if(fLock)

                nLocks++;

            else

                        nLocks--;

            return S_OK;

}

// main.cpp

//主要实现了几个COM对象标准的导出函数。

#include <objbase.h>

#include <olectl.h>

#include "CCopyHook.h"

//这是要添加到注册表中的项，注意如果你要使用这段代码，应该用UUIDGEN.exe生成一

//个新的CLSID。

const char* szRegTable={

{"CLSID\\{7e10a039-fe03-4f9c-b7e1-c5eeeaf53735}",0,"CopyHook"},

{"CLSID\\{7e10a039-fe03-4f9c-b7e1-c5eeeaf53735}\\InProcServer32",0,(const char*)-1},

{"CLSID\\{7e10a039-fe03-4f9c-b7e1-c5eeeaf53735}\\InProcServer32","ThreadingModel","Apartment"},

{"CLSID\\{7e10a039-fe03-4f9c-b7e1-c5eeeaf53735}\\ProgID",0,"webber84.CopyHook.1"},

{"webber84.CopyHook.1",0,"CopyHook"},

{"webber84.CopyHook.1\\CLSID",0,"{7e10a039-fe03-4f9c-b7e1-c5eeeaf53735}"}};

HMODULE hInstance=NULL;

LONG nLocks=0;

BOOL APIENTRY DllMain( HANDLE hModule,

                       DWORD  ul_reason_for_call,

                       LPVOID lpReserved

     &