if(ul_reason_for_call==DLL_PROCESS_ATTACH)

                        hInstance=(HMODULE)hModule;

    return TRUE;

}

STDAPI DllUnregisterServer(){

            HRESULT hr=S_OK;         LONG ret=0;

            int items=sizeof(szRegTable)/sizeof(szRegTable[0]);

            for(int i=items-1;i>=0;i--){

                        const char* szKeyName=szRegTable[i][0];

                        if( (i==items-1) || stricmp(szRegTable[i+1][0],szKeyName)!=0)

                             ret=RegDeleteKey(HKEY_CLASSES_ROOT,szKeyName);

        if(ret!=ERROR_SUCCESS)

                                    hr=SELFREG_E_CLASS;

            }

            return hr;

}

//可重用的DllRegisterServer函数，只要照上面的格式把注册表项放到一个数组中，就可以//用这段代码完成对任意组件的注册。

STDAPI DllRegisterServer(void){

            HRESULT hr=S_OK;

            int items=sizeof(szRegTable)/sizeof(szRegTable[0]);

            char szDllPath[MAX_PATH];

            GetModuleFileName(hInstance,szDllPath,MAX_PATH);

            for(int i=0;i<items && SUCCEEDED(hr);i++){

                        const char* szKeyName=szRegTable[i][0];

              &nb