BOOL SimpleBrowser::GetElementText(LPCTSTR elementName, LPTSTR bf, UINT bfLen)
{
IHTMLDocument3* pDocument = GetDocument3();
if (pDocument == NULL)
return FALSE;
BOOL bRet = FALSE;
IHTMLElement* pElement = NULL;
CComBSTR elemName = elementName;
if (pDocument->getElementById(elemName, &pElement) == S_OK && pElement != NULL)
{
CComBSTR innerText;
if (pElement->get_innerText(&innerText) == S_OK)
{
if (innerText.Length() > 0)
{
_tcsncpy(bf, innerText, bfLen);
bf[bfLen - 1] = 0;
}
else
bf[0] = 0;
bRet = TRUE;
}
pElement->Release();
}
pDocument->Release();
return bRet;
}
//-----------------------------------------------------------------------------
// Name: AddHtmlContentToElement
// Object:
// Parameters :
// in :
// out :
// return :
//-----------------------------------------------------------------------------
BOOL CHtmlViewer::AddHtmlContentToElement(TCHAR* Id,TCHAR* Content)
{
if (this->pIWebBrowser==NULL)
return FALSE;
if (!this->IsPageCompleted())
return FALSE;
HRESULT hr;
BOOL bRet;
IDispatch* pHtmlDocDispatch = NULL;
IHTMLDocument3* pHtmlDoc = NULL;
IHTMLElement* pElem = NULL;
BSTR bstrElementId;
#if ((!defined(UNICODE))&& (!defined(_UNICODE)))
WCHAR* psz;
#endif
// get IDispatch document interface
hr = pIWebBrowser->get_Document(&pHtmlDocDispatch);
if (FAILED (hr) || (pHtmlDocDispatch == NULL))
return FALSE;
// get IHTMLDocument3 document interface
hr = pHtmlDocDispatch->QueryInterface(IID_IHTMLDocument3,(void**)&pHtmlDoc);
if (FAILED (hr) || (pHtmlDoc == NULL))
{
pHtmlDocDispatch->Release();
return FALSE;
}
// get pointer to element from it's Id
#if (defined(UNICODE)||defined(_UNICODE))
bstrElementId=SysAllocString(Id);
#else
CAnsiUnicodeConvert::AnsiToUnicode(Id,&psz);
bstrElementId=SysAllocString(psz);
free(psz);
#endif
hr = pHtmlDoc->getElementById(bstrElementId,&pElem);
SysFreeString(bstrElementId);
if (FAILED (hr) || (pElem == NULL))
{
pHtmlDoc->Release();
pHtmlDocDispatch->Release();
return FALSE;
}
bRet=this->AddHtmlContentToElement(pElem,Content);
pElem->Release();
pHtmlDoc->Release();
pHtmlDocDispatch->Release();
return bRet;
}