동적으로 Option 엘리먼트 추가하기

// Option 엘리먼트를추가하는것이쉽지않다.. (MSDN 처럼동작하지않음) // 참고: http://www.codeproject.com/KB/COM/htmldocument.aspx     CComQIPtr<IHTMLDocument2> spHTMLDoc2 =  GetHtmlDocument(); CComQIPtr<IHTMLWindow2> spWindow; CComPtr<IDispatch> spDispatch;   spHTMLDoc2->get_Script(&spDispatch); spWindow = spDispatch;   CComQIPtr<IHTMLOptionElementFactory> spOptionFactory; spWindow->get_Option(&spOptionFactory);   CComQIPtr<IHTMLOptionElement> spOptionElement;   _variant_t varSelected = VARIANT_FALSE; spOptionFactory->create(_variant_t(_T("New Option")), _variant_t(VARIANT_FALSE), _variant_t(VARIANT_FALSE), varSelected, &spOptionElement);   CComQIPtr<IHTMLSelectElement> spSelectElement = spHTMLElement; ASSERT(spSelectElement != NULL); CComQIPtr<IHTMLElement> spTempElement = spOptionElement;   strOptionValue.Format(_T("%d"), nIndex);   spTempElement->setAttribute(_T("value"), _variant_t(_bstr_t(_T("Some Value"))), 0 ); spSelectElement->add(spTempElement, _variant_t(1));   /* // MSDN 에서언급한대로하면아래와같은데...동작하지않는다. CComQIPtr<IHTMLSelectElement> spSelectElement = spHTMLElement; CComQIPtr<IHTMLElement> spTempElement; hr = spHTMLDoc2->createElement(_T("option"), &spTempElement); hr = spSelectElement->add(spTempElement, _variant_t(1));*/

출처 : http://www.codeproject.com/KB/COM/htmldocument.aspx