On MSDN, take a look at the System.Windows.Media.Imaging namespace.
These are WPF classes that wrap WIC. WIC provides support for IPTC,
XMP, Exif, etc. metadata handling.

I have samples on my blog (blogs.msdn.com/rwlodarc) on how to work
with the BitmapMetadata class.

Please let me know if you have any questions!

--- In iptc4xmp@yahoogroups.com, "Michael Steidl (IPTC)"
<mdirector@...> wrote:
>
> Hi Siva
>
> to outline your challenge:
>
> 1) XMP is an XML language to express any kind of metadata
properties. Actually this is
> RDF/XML. In other words: XMP is not limited in any way to the
metadata properties of the
> IPTC.
>
> You can find more on XMP at http://www.adobe.com/products/xmp/ as
this technology was
> invented by Adobe.
>
> On this page you can find the latest XMP Toolkit/SDK of September
2008. This bad thing
> about this SDK for you is that it only provides an API in C/C++ or
Java and not in NET.
>
> The only XMP NET component I know is the one from Chilkat
>
> http://www.chilkatsoft.com/xmp-dotnet.asp
>
> ... but I have to add it is not fully compatible to the latest XMP
toolkit, see above.
>
> 2) And there are two metadata schemas from the IPTC building on XMP
>
> - the IPTC Core 1.1
>
> - and the IPTC Extension 1.0, which is as the name tells a set of
properties additional to the
> ones in the IPTC Core.
>
> First go to www.iptc.org, then go to "Photo Metadata" and "IPTC
Core & Extension"
>
> From this page you can download the "IPTC Photo Metadata 2008"
standard specification
> document which exactly specifies how to express these properties by
XMP.
>
> Good luck
>
> Michael
>
>
>
> On 2 Dec 2008 at 9:30 siva nageswara rao wrote:
>
> >
> > hi this is siva
> > i need full infromation about xmp and iptc in detail
> > i am new to xmp i would be happy u send this document,
> > what i want to know is how to use,where to use and how to
implement in
> > .net platform.
> >
> > Regards,
> >
> > SIVA
> >
> >
> >
> >
> >
> > Unlimited freedom, unlimited storage. Get it now
>
>
> ==================================================
> Sent by:
> Michael Steidl
> Managing Director of the IPTC <mdirector@...>
> International Press Telecommunications Council
> "Information Technology for News"
> Visit us on the web at http://www.iptc.org
>