Re: General OLE questions

From: Alexander Nickolov (agnickolov_at_mvps.org)
Date: 01/28/05 

Date: Fri, 28 Jan 2005 10:11:02 -0800

1. Yes - the preview is typically a metafile

2. This is rather academic as none such exist, but yes, the
preview only requires the caller to understand its format.
However, opening the document itself requires structured
storage, e.g. COM, so the point it _really_ moot. You
just can't get the preview without COM. 

-- 
=====================================
Alexander Nickolov
Microsoft MVP [VC], MCSD
email: agnickolov@mvps.org
MVP VC FAQ: http://www.mvps.org/vcfaq
=====================================
"mk" <mk@discussions.microsoft.com> wrote in message 
news:75D2E9A3-0736-4846-A349-B2D9EF3C8C3C@microsoft.com...
>I am looking into embedding OLE objects into RTF documents.  The 
>requirement
> is that these RTF documents will be useful in say 30 years when 
> corresponding
> editors and technologies may not be available anymore.  Hence the 
> questions:
>
> 1. From my understanding, OLE objects separate the design data and preview
> data.  Is the preview data in a format that can be rendered without having
> the application that is used for editing installed?
>
> 2. Can OLE preview/result data be viewed in an environment that does not
> support COM?
>
> Any comments are appreciated.
>
> Martin Kuba

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