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echo: os2prog
to: IVAN TODOROSKI
from: Jeff Dunlop
date: 1998-11-13 20:13:16
subject: PM drawing priorities...

IT>   I noticed recently (and I wonder how I never noticed it before) that
 IT>   when you drag a bigger sized window accross the desktop (with full
 IT>   window dragging enabled) most applications in the background simply
 IT>   stop. Try typing DIR /S in an OS/2 command window and drag the window
 IT>   around... you'll notice how the listing stops while you're dragging
 IT>   it. Same happens if you drag other windows.

 IT>   To test this, start some not very CPU consuming text mode program (I
 IT>   use "ping localhost") in a window and start draging a
biger window
 IT>   with full-window draging enabled.

 IT>   If you run the ping process at any lower priority than Time Critical
 IT>   (doesn't matter if it's Regular, Idle, or Foreground Server) you'll
 IT>   notice it stops while you're draging the window,

You're misinterpreting what you see. Both ping and dir/s continue to run,
it's just the display to the screen that is suspended while you drag the
window around. For instance, even if you can't hear dir/s chugging away in
the background, you can certainly 'freeze' ping for about five seconds,
release the drag window and observe five lines instantly appear with normal
statistics.

Jeff

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