How to use progress bar

[Ken Ray]

Bill,

I'll bet you converted a HyperCard stack, right? If so, check the
'hcAddressing'; if it's turned on, you have to refer to scrollbars in
background groups as "bg scrollbar"; if you turn it off, you can just
address it as "scrollbar".

Ken Ray
Sons of Thunder Software
Email: kray at sonsothunder.com
Web Site: http://www.sonsothunder.com/


> -----Original Message-----
> From: use-revolution-bounces at lists.runrev.com 
> [mailto:use-revolution-bounces at lists.runrev.com] On Behalf Of Bill
> Sent: Sunday, June 06, 2004 5:05 PM
> To: use-revolution at lists.runrev.com
> Subject: Re: How to use progress bar
> 
> 
> Thanks for all your answers. Since they still had no effect 
> on my scroll bar when I tried them I decided that I have 
> something wrong with my stack. First I put a progress bar in 
> the group (assuming it would have to be there so it would be 
> visible on every card as I cycle through the cards) and I get 
> no such object so I changed the progress bar to a scroll bar 
> (also named "Progress Scrollbar") and send a one line message 
> to it and I get no such object.
> 
> So then I made a clean stack with just one progress bar with 
> the correct name and I get:
> 
> Message execution error:
> Error description: Chunk: no such object
> 
> So then I decide that maybe these things are not called 
> "scrollBar" so I find out they are called "scrollbar" in the 
> documentation (should make no difference . This makes a 
> difference on my simple test stack so I move on to the big 
> stack and find out I have to call it "bg scrollbar" and then 
> it is happy except then set the lock screen to true so that 
> going through all those cards won't take so long and the lock 
> screen also makes my nice little progress bar do nothing.
> 
> So how do you get a progress bar to work while lock screen is 
> in effect? Perhaps I make a special pallette stack that holds 
> it? Otherwise without lock screen things take way to long. It 
> must be possible as you can make the spinning beachball with 
> lock screen in effect.
> 
> 
> On 6/6/04 12:00 PM, "use-revolution-request at lists.runrev.com"
> <use-revolution-request at lists.runrev.com> wrote:
> 
> > put the number of cards into recordCount
> > set the thumbPosition of scrollBar "Progress Scrollbar" to 
> 0 set the 
> > endvalue of scrollBar "Progress Scrollbar" to recordCount show 
> > scrollBar "Progress Scrollbar" put 0 into recordsProcessed
> > put round(recordCount/(the width of scrollBar "Progress Scrollbar"))
> > into progressInterval -- the minimum change in 
> thumbPosition value to
> > move the bar 1 pixel
> > put max(1,progressInterval) into progressInterval -- adjust 
> for intervals < 1
> > repeat with x=1 to recordCount
> >  set cursor to busy
> >  [card processing logic here]
> >  add 1 to recordsProcessed
> >  if (recordsProcessed mod progressInterval)=0 then set the
> > thumbPosition of scrollBar "Progress Scrollbar" to recordsProcessed
> > end repeat
> > set the thumbPosition of scrollBar "Progress Scrollbar" to
> > recordCount -- yes, recordCount: make sure progress shows 100%
> > complete
> 
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