MATLAB: How to wait for an button event with a timeout

event controlwait for event

Hi!
I am looping in time through a series of images and I want to give a chance for the user to interact with them between updates. However, I do not want to ask the user at every single update whether they want to interact or not. Ideally I would like to implement something like this:
figure
for t=tini:tfin
  imagesc(squeeze(ima(:,:,t))
  waitforbuttonpress_for_no more_than_200_ms;
  if there_was_a_buttonpress
      do_something_to_figure;
  end
end
Can you help? Many thanks,
Marta
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