Technologies used in Remote Administration applications(not RD)

Posted by Michael on Stack Overflow See other posts from Stack Overflow or by Michael
Published on 2010-04-26T01:59:34Z Indexed on 2010/04/26 2:03 UTC
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Filed under:

c#

|

remote

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remote-administration

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Windows

I want to know what kind of technologies are used nowadays as underlying screen capture engine for remote administration software like

VNC
pcAnywhere
TeamViewer
RAC Remote
Administrator
etc..

The programming language is not so important as just to know whether a driver needs to be developed which is polling video memory 30 times per second or there are any com objects built in the Windows kernel to help doing this? I'm not interested in 3rd party components for doing this. Do I have to use DirectX facilities? Just want some start point to develop my own screen stream capture engine, which will be less CPU hog.

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