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Article #16922

Simulating animation (refresh problem)

#16922
From: Tom Heagy
Date: Mon, 04 Jan 1999 00:00
18 lines
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I'm having difficulty with a seemingly simply task.  I'm working with a
couple of transparent image controls.  I wish to move one of them across
the other (both are on the same panel) a small amount at a time in order
to simulate animation.  To be more specific, I have a "game board" that
I wish to move a "Game Icon" across, but I only want to move 1 space at
a time.

I attempted to do it by changing the coordinates of the tranparent image
and then delaying a short time before changing the coordinates again.
My problem is that the display doesn't refresh until the last move is
complete (i.e. I'm out of the loop and control is passed back to the
OS).  I've played around with "invalidate" and "validate", but with no
success.

Any/all suggestions would be greatly appreciated.  Feel free to e-mail
me directly at tom.heagy@mindpsring.com.

Thanks in advance!
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From: Tom Heagy <tom.heagy@sciatl.com>
Subject: Simulating animation (refresh problem)
Date: 1999/01/04
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