>Ok, I think you're right, after a fiew minute the time pass to 0.03 to 0.3 seconds, is-it possible to ask OS to let the object in cache memory via API call to be sure it will stay in cache ?
>
>Roman

Yes it is possible (maybe), but I don't think you can do that from VFP directly. You have to create a wrapper from another low level languange. To be honest I never do such this thing and you better not mess up with memory (OS's) :)