[vtkusers] How to send an event from a different thread?

[Moinier, Pierre (UK)]

All,
 
I have a piece of code that compute some solution. It also launches a
separate thread which is responsible for the visualisation.
I can visualise the solution and get it to update via a key from the
keyboard. For that I use a callback and AddObserver.
 
What I would like to do is to sent an event from the compute thread when
a solution is ready to the visualisation thread, so that the update
occurs automatically. I spent quite a bit of time looking at the
documentation but I can't figure out how to do that. So, how can I sent
an event from a different thread and how canthis one be picked up?
 
Can anyone help me?
 
    Regards,
 
        -Pierre.

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