[vtkusers] Refreshing the vtkRenderWindow

[REGAT-BARREL Aurélien]

    But is that true even if you are not doing it for messaging purposes, 
    but instead having the timer call the callback?

You need a message pump in order to dispatch WM_TIMER message.

    Also, the question would be what is VTK doing in it's event loop
    regarding handling events to the window? Then I could get the Window
    handle and have it receive the messages

SetTimer( NULL, ... )
Your timer is not attached to a window.
I don't think VTK does something, except to call DispatchMessage.
My warning was if you use SetTimer without any Window => without any message pump.



Aurélien REGAT-BARREL
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