进程内组件编写需要手动添加的函数

进程内组件编写需要手动添加的函数：组件注册函数、组件注销函数、类厂对象创建函数、组件生存与否函数

extern "C" HRESULT __stdcall DllGetClassObject(const CLSID& clsid, const IID& iid, void **ppv)

{
if (clsid == CLSID_Dictionary ) {

CDictionaryFactory *pFactory = new CDictionaryFactory;

if (pFactory == NULL) {
return E_OUTOFMEMORY ;
}

HRESULT result = pFactory->QueryInterface(iid, ppv);

return result;
} else {
return CLASS_E_CLASSNOTAVAILABLE;
}

}

extern "C" HRESULT __stdcall DllCanUnloadNow(void)

{
if ((g_DictionaryNumber == 0) && (g_LockNumber == 0))
return S_OK;
else
return S_FALSE;

}

//

// Server registration

//

extern "C" HRESULT __stdcall DllRegisterServer()

{
char szModule[1024];
DWORD dwResult = ::GetModuleFileName((HMODULE)g_hModule, szModule, 1024);
if (dwResult == 0)
return SELFREG_E_CLASS;
return RegisterServer(CLSID_Dictionary,
                     szModule, 
 "Dictionary.Object",
 "Dictionary Component",
 NULL);

}

//

// Server unregistration

//

extern "C" HRESULT __stdcall DllUnregisterServer()

{
return UnregisterServer(CLSID_Dictionary,
                       "Dictionary.Object",NULL);

}