XWindows - how capture window ?

[Ori Berger]

Valery Reznic wrote:
> Do you have any ideas, how can I render this window off screen and capture it's content ?
>   
You can probably run an Xvnc server (X server that sends updates out 
through the vnc protocol, rather than actually updating screen). As far 
as any software is concerned, this is a real screen, so you can run 
anything on it. However, it does not need to be visible on any physical 
display; Also, if the whole reason is to let this app work through the 
network, then xvnc is a complete solution all by itself