Re: IWebBrowser2 and XML Documents

From:
"Igor Tandetnik" <itandetnik@mvps.org>
Newsgroups:
microsoft.public.vc.language
Date:
Tue, 12 May 2009 07:52:52 -0400
Message-ID:
<#JhUwgv0JHA.1372@TK2MSFTNGP05.phx.gbl>
"nak" <a@a.com> wrote in message
news:8B8BC1B1-2AAC-4282-BCF1-CC295B039945@microsoft.com

   Unfortunately I do not want the HTML representation of the object
as this is completely different from the XML. One such solution I
found was to use the IPersistStreamInit interface of the document
object and save the xml document to an in-memory stream, this would
be great but unfortunately the interface is returning 0 from
GetSizeMax, so I cannot size my buffers prior to saving.


Use CreateStreamOnHGlobal. This creates an in-memory stream that
automatically grows its buffer as necessary. At the end, you can
retrieve an HGLOBAL handle out of it, and use it to access the raw
memory buffer.

   Just a reference to the raw XML data that you can see when viewing
the source


IPersistStreamInit is the way to go - it uses the cache entry the same
way View Source does. Alternatively, you could call GetUrlCacheEntryInfo
and just read the cache file yourself (consider using
RetrieveUrlCacheEntryFile / UnlockUrlCacheEntryFile to ensure the cache
entry isn't purged from under you).
--
With best wishes,
    Igor Tandetnik

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