>The question is: can I
> process them one by one? Why should I take all the Expose events and union
> all the rects together, as Greg said? I can hardly believe that someone
> might succed in exposing 2 rectangles of a a window at the same time (i.e.
> moving to windows that overlap another, so that the last will have 2 rect
to
> redraw)...
Sorry about that. It's pretty clear that by moving only one window over
another, at least 2 rectangles must be redrawn. I wil rephrase the question:
Is an Expose event generated for every rectangle that needs to be redrawn?
Or when an Expose event is generated, it can contain a list of rectangles
that need to be redrawn?
Dany.
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