Progress Bar

[Bob Sneidar]

You might try locking the screen at the beginning of each loop. I think the wait will unlock the screen. 

Bob Sneidar
IT Manager
Calvary Chapel CM
Sent from iPhone

On Mar 29, 2012, at 15:53, Pete <pete at mollysrevenge.com> wrote:

> Thanks guys.  I put a wait 0 in there and that made the progress bar update
> visible. Seems kinda weird that there's a difference between not waiting
> and waiting zero, but that's OK!
> 
> This does lead to an interesting conundrum though.  It takes about 2.5
> times longer to process my test data with a progress bar than without one.
> Not talking huge amounts of time - about 1 second vs 2.5 seconds - but
> those times could get a lot longer in production, maybe by a factor of 10
> or more, and this particular function of the application is going to be
> judged at least partly on performance.
> 
> I calculate the update interval by dividing the number of records to be
> processed by 100 with a minimum of 10 to deal with small data sets.  I
> guess maybe I can play around with the divisor of 100 to see what yields
> the best blend of performance while still showing progress.
> 
> I might also try using an animated cursor to see how it compares
> performance wise.
> 
> Isn't there some rule of quantum physics about changing the outocme of an
> experiment by observing it?
> 
> Pete
> 
> On Thu, Mar 29, 2012 at 3:13 PM, Roger Eller <roger.e.eller at sealedair.com>wrote:
> 
>> On Thu, Mar 29, 2012 at 6:03 PM, Pete wrote:
>> 
>>> I'm using a progress bar for the first time.  Checked it all out stepping
>>> through things in debug and all worked fine.  However, when I run it
>>> normally (meaning no debug), the blue progress bar never moves beyond
>> it's
>>> startpos.
>>> 
>>> I'm pretty sure this is because I'm updating it in a tight loop and LC
>>> doesn't get a chance to update the screen but I'm uncertain how to solve
>>> that without adding to the overall execution time of the loop.
>>> 
>>> Enlightenment much appreciated.
>>> 
>>> --
>>> Pete
>>> Molly's Revenge <http://www.mollysrevenge.com>
>>> 
>> 
>> Add a super-tiny wait to the end of the loop (25 to 100 millisecs,
>> depending on what you're doing).
>> 
>> ~Roger
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> 
> 
> -- 
> Pete
> Molly's Revenge <http://www.mollysrevenge.com>
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