How to save PDF content to file using IWebBrowser2

[ningju...@lexisnexis.com]

Can anyone tell me how can I save the PDF content in the browser to a
file on teh file system using IWebBrowser2? I try

ExecWB(OLECMDID_SAVEAS, OLECMDEXECOPT_DONTPROMPTUSER, &pvaIn, &pvaOut);

It prompt user for file name. I don't want to prompt user because I
know what file to save. Microsoft said there is no way to save to a
file without prompt user.

Is there any way I can get the binary content of the PDF file so that I
can save to file my self?

Of course I can always download the file again from Internet and save.
But this is a performance waste. The browser already download the PDF
file and I don't want to download it again.

Sample codes will be greatly appreciated.

[Cristian Amarie]

(The same answer as for one of the previous posts...)

http://www.delphidabbler.com/articles.php?article=14
Although the sample code is Delphi, it may help.
Probably you'll have to use a type library and use IPersistStreamInit to
save the full HTML file.

Cristian Amarie

<ningju...@lexisnexis.com> wrote in message
news:1112286591.0...@l41g2000cwc.googlegroups.com...

[ningju...@lexisnexis.com]

I try thi. It works if the browser hold html page. If does not work if
the browser hold PDF page. Here is my code:

HRESULT hr;
IDispatch* pHtmlDoc = NULL;
IPersistStreamInit* pPersistStreamInit = NULL;

hr = m_pIE->get_Document( &pHtmlDoc );
if ( !SUCCEEDED(hr) || pHtmlDoc == NULL ) {
throw EpactException("Failed to get Document");
}
hr = pHtmlDoc->QueryInterface( IID_IPersistStreamInit,
(void**)&pPersistStreamInit );
if ( !SUCCEEDED(hr) || pPersistStreamInit == NULL ) {
throw EpactException("Failed to get IID_IPersistStreamInit");
}

HGLOBAL hGlobal = GlobalAlloc( GPTR, 2000000 );
if (!hGlobal) {
throw EpactException("GlobalAlloc() failed");
}

LPSTREAM pStream = NULL;
hr = CreateStreamOnHGlobal( hGlobal, FALSE, &pStream );
if ( !SUCCEEDED(hr) || pStream == NULL) {
throw EpactException("Failed to create stream");
}

hr = pPersistStreamInit->Save(pStream, TRUE);

The last line (Save())return errorcode 0x80170057 if the content is
PDF.

[stack]

because the pdf is a activeX control, you should find the object and call
it's Invoke method,you can find the ID,and invoke it by IDispath.