c# - How does VNC continuously repaint windows? -

how vnc send repaint messages windows when user not active?

i implement in c sharp - i've had @ printwindow, sendmessage methods , none of them achieve same thing vnc (tested capturing images , black) vnc full picture.

what techniques using , can implemented in c sharp windows repaint even when user not active (i.e. rdp closed, minimised or similar).

thanks all

you use technique used video games, consists in redrawing permanently window during cpu idle time.

i found c# implementation here.

you have adapt needs.