Developing a secure desktop sharing application using AIR

Hi all,
I am developing a remote support tool like TeamViewer, using AIR.
So far I managed to implement chat, file sharing etc. However, could not find any API in Adobe AIR to provide Screen Sharing or Remote Support. Can anyone suggest any techniques to achieve the same in Adobe AIR?
Many thanks!

I just came across an article discussing how to use Flash Media Server to create a basic IM application with Adobe AIR.  It then mentions audio/video streaming communication - it might be a possible route to take, I haven't really looked in to it at all.
http://www.adobe.com/devnet/flashmediaserver/articles/first_im_app_05.html
Looking at the capabilities of the Flash Media Server itself might shed more light on the issue.  I believe it would require the AIR app to be built using Flex though.

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