Access violation runtime error related to TStringGrid

[michielv]

Hi,

I'm developing a program with Borland C++ Builder Personal version 6.0. The program does run but sometimes it suddenly crashes due to an access violation error. I can use the debugger to inspect the problem, but it wants to take me to a source file called ‘system.pas’ which I apparently don’t have (because the debugger tells me it can’t find it). Therefore I can’t trace the problem back to my own code. However, I can inspect the problem a bit in the debugger using the call stack. This brings me to the idea that it may have something to do with a TStringGrid object I’m using. If I remove this object the problem indeed seems to be gone, but obviously I can’t use the good things of TStringGrid either then. Does anybody know a solution to this problem? Maybe I could also try with an alternative of TStringGrid if something like that exists (I don’t really know about such a thing).

Thanks very much for your help,

Michiel.

 

[2ffat]

Access voilations are real pain to find and fix. The reason is there are so many possible causes. Without seeing some code, I suspect that problem may be related to not clearing something out, maybe not destroying something.

See if any of these articles might help:

http://bcbjournal.org/bcbcaq/?loc=grids

. Note that some of these are for subscribers only but there is still a lot of good info in the public files.

James P. Cottingham
-----------------------------------------
[sup]I'm number 1,229!
I'm number 1,229![/sup]

 

[michielv]

Thanks James,

I'll go and read the articles in that link. I'll let you know when I found a solution.

Michiel.