Strange behavior when emptying long strings

The attached vi is supposed to clear a string indicator after its length becomes greater than a specified threshold length, with led indicators following the process. It works fine at threshold 262268, but increasing it to 262269 causes it to periodically freeze. The indicator lights do not update appropriately either. Also if you set the threshold much higher, like around 1,000,000, the temporary freeze becomes even longer. Is there a way to fix this?
Message Edited by AntLee29 on 05-16-2007 06:14 AM
Message Edited by AntLee29 on 05-16-2007 06:16 AM
Attachments:
string clearing.vi ‏15 KB
string clearing.PNG ‏20 KB

Hi AntLee,
this is NOT a problem of memory handling - you are playing with 256kB of memory, pretty easy for modern computers.
The problem comes from your LineFeed constant together with the string indicator!
If you replace the LF by a Tab constant your example runs fine even with a treshhold of 1000000 (one million).
So I suspect the string indicator has problems to show more than 262286 (~2^18) lines of text because of rendering all those line breaks - maybe NI should investigate this more deeply...
Message Edited by GerdW on 05-16-2007 04:38 PM
Best regards,
GerdW
CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
Kudos are welcome
Attachments:
string clearing.vi ‏15 KB

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