Xvnc Winvnc : how the servers work ?

[James "Wez" Weatherall]

> - For WinVNC the graphic changes are read from the screen ? There is no
> reliable method to intercept the drawing ? (I guess no because of the
> "Poll region" buttons on the config panel)

When WinVNC was first written, the only way to get screen updates reliably
on NT was to write a hook video driver but of course this wouldn't work on
'95, so a more portable but less realiable method is currently used.  This
may change sometime soon(ish) if new hooks become available.

Cheers,

James "Wez" Weatherall
--
Laboratory for Communications Engineering, Cambridge - Tel : 766513
AT&T Labs Cambridge, UK                              - Tel : 343000




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