screen redraw problem

[J S]

Is there anymore information I need to add to this post? I would really like 
to get some help with it. The logs don't seem to be showing anything. I've 
tried setting different color depths, and screen resolutions but to no 
avail.

Hi,

I have an application which has some boxes in the window. The window itself
is scrollable. When I scroll down -  no problem, but when I scroll up the
boxes turn into long vertical bars. This problem doesn't happen with Exceed,
but on XFree86 (both Linux XFree86 and Cygwin-XFree) it does.
Can anyone advise me whether this is a bug, or is there some setting I need
to add? Let me know if you need anymore information.
Thanks for any help.

JS.

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