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Grid in pageframe causing memory or illegal operation error
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18/11/1999 06:43:29
 
 
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Forum:
Visual FoxPro
Catégorie:
Problèmes
Titre:
Grid in pageframe causing memory or illegal operation error
Divers
Thread ID:
00292333
Message ID:
00292333
Vues:
55
Hi,

I am using a pageframe consisting of 9 pages, each page containing an empty grid. The grid is populated in the activate event of the page, by adding columns and setting properties. I used to have 7 pages, and everything worked fine. Now, on most computers, everything still works fine, but on some computers, activating some of the pages causes an 'insufficient memory' error or directly causes the Windows' 'this program has performed an illegal operation' or the memory could not be 'written' error.

This in fact occurs by selecting one of the pages that was already there in the 7-page pageframe or by selecting one of the added pages.

Since it occured on my own computer as well, and either running the application from my desktop, or from within FoxPro, I could trace the program. This indicated there is no special line of code where the program stops, it just somewhere/sometime (but always before finishing the Activate-code) seems to notice that something is wrong.

This seems to happen only in VFP5, in VFP6 I don't get the error.

Does anyone know what may cause this and what to do about it (other than upgrading to VFP6).

Auke Zijlstra
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