Windows vertical retrace

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Hi All

After a quick google it seems to me that there is no way to detect the vertical
retrace on the windows desktop (ie 'non-exclusive' mode).

With rapidly updating graphics in a small window on my home system with a CRT
monitor the flicker is quite noticeable.  On my work system with an LCD monitor
the effect is not as bad but still there (particularly if the mouse pointer is
over the area being drawn).

So what do other systems do about this?  Flash objects in web pages don't seem
to suffer from this and other windowed games seem to get around the problem.  How
are they doing this?  How can we do this in Euphoria, particularly with win32lib?

Gary

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