[visionegg] using pygame.time.delay

Hi,

I've got a series of visual images to present, each has a defined
duration.  If each stimulus is presented in a for loop, I've found
that the duration of the stimulus can be handled by pygame.time.delay.
 However, I wonder if this has any implications for event handling? 
Does anyone using the visionegg know if this would be a problem?  That
is, can pygame event handling work during pygame.time.delay?

If pygame.time.delay is problematic, how would you control the
stimulus duration?  Do you need to setup a while loop that continues
to display a stimulus, checking for events and finally exits after a
certain time from onset?  What is the best way to implement the
timing?  Would you use pygame modules or something in the visionegg
itself?

Best, Darren
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