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marty
Professional Member
Joined: 10 May 2001
Posts: 789
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 Posted: Wed Sep 10, 2008 5:05 pm Post subject: @item() buffer/size limit |
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Hi,
Quick question, is there a limit of the size/buffer of the variable @item()?
I have an XML message that has 22kb thateverytime VDS tries to take it from a clicked list event (%%main = @item(LIST1) it crashes (VDS IDE) with the following error:
Error: Unhandled execption in "EStringListError" ...
Is there a way around this?
Bit rusted with VDS, but I am doing a quick app for the job here. 
Using VDS 5
Thanks
Martin |
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DaveR
Valued Contributor
Joined: 03 Sep 2005
Posts: 413
Location: Australia
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| Posted: Sat Sep 13, 2008 4:19 pm Post subject: Re: @item() buffer/size limit |
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| marty wrote: | | Quick question, is there a limit of the size/buffer of the variable @item()? |
If there is it's not 22KB. I just tested using VDS 5 and @item() worked fine until I gave up testing at well over 250KB.
While testing your problem by using info @item() I did find that info stopped working at 217KB. At 216KB and below info worked fine. At 217KB and above the IDE just skipped the info line.
Interestingly info in VDS 6 works up to 223,030 bytes. But in VDS 5 info only works up to 222,610 bytes. At least that's how it is on my PC. The amount of available memory may play a part. In which case we need to be careful when using 'info' in scripts that are intended to be used by other people or on other PCs.
| Code: | # This will skip the INFO line, but change Qty to 1 less and info pops up ok
if @equal(6,@sysinfo(dsver))
# VDS 6 info works up to 2123 - 223,030 bytes
%%Qty = 2124
else
# VDS 5 info works up to 2119 - 222,610 bytes
%%Qty = 2120
end
%x = xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx @cr()
%%Cnt = 1
repeat
%x = %xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx @cr()
%%Cnt = @succ(%%Cnt)
until @greater(%%Cnt,%%Qty)
%x = %x@cr()Tada!!!
list create,1
list add,1,%x
list seek,1,0
%i = @item(1)
# No info popup if %i is larger than 217KB
info %i ,
list savefile,1,C:\Tmp\VDS\item-test.txt
list close,1
stop
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_________________
cheers
Dave |
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