How do I prevent scroll bar use from disabling front panel updates?

I have two top-level VIs running simultaneously using different execution systems.  The first VI has a list box scroll bar.  When the scroll bar is used by the operator, updates to the second VI front panel are temporarily blocked.  This is due to the single user interface thread shared by both VIs.  I there anyway to allow the second VI to update its front panel while the first VI is bound to its scroll bar?

Hi,
Your problem seems to be a bit more complex. I created two vi's, one with a simple loop, the other with a list box (both running in different execution systems). The first isn't noticeably affected by moving the listbox' scrollbar.
It there an increase in processor load when you move the scrollbar? That could stop the other vi from updating. Perhaps you can isolate the problem (remove all irrelevant code) and post the remaining vi's?
Regards,
Wiebe.
"wwwbrown" <[email protected]> wrote in message news:[email protected]..
I have two top-level VIs running simultaneously using different execution systems.&nbsp;&nbsp;The first VI&nbsp;has a list box scroll bar.&nbsp; When the scroll bar is used by the operator, updates to the second VI front panel are temporarily&nbsp;blocked.&nbsp; This is due to&nbsp;the single user interface thread shared by both VIs.&nbsp; I there anyway to&nbsp;allow the second VI to update its front panel while the first VI is bound&nbsp;to its scroll bar?

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