Hi Ross
What version of Delphi are you using?
Rob Martin Software Engineer
phone +64 03 377 0495 fax +64 03 377 0496 web www.chreos.com
Wild Software Ltd
Ross Levis wrote:
I sent the email below on 31 March but just realized I haven't been receiving list traffic for several weeks and discovered the option to receive emails had been set to Off all by itself. This hasn't been resolved and I've got no ideas where to look. 2 or 3 other beta testers have also experienced the problem now.
----- Original Message -----
*From:* Ross Levis <mailto:[EMAIL PROTECTED]>
*To:* NZ Borland Developers Group - Delphi List <mailto:[email protected]>
*Sent:* Thursday, March 31, 2005 2:42 PM
*Subject:* Invalid Pointer Operation
It's one of those problems that's going to be hard to track down I think. A beta tester of mine is getting this occasionally in my software, and I have seen it once or twice over the last couple of months myself while testing, but I wasn't able to duplicate it.
It's causing a ListView on my main form to stop updating and it goes blank, even though the program still functions correctly while the error is displayed. This is due to the fact that this application uses a timer for it's main operation, and the Timer still functions while the error is displayed.
You can see the errors below sent to me by the user. The Access Violation occurs immediately after the Invalid Pointer Operation.
The Access Violation is not a 400000 address so I can't use this to pinpoint a line in my code. I can't duplicate the error so can't step through code to track it down. I'm rather stumped. Does anyone have any ideas what it could be.
Since the ListView is going blank, does that point to some problem in the ListView VCL code, which I must be causing somehow?
Many thanks,
Ross Levis
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