>After trying 2 or 3 tricks, i´ve made this my standard for use of memory variables:
>1. Define them as public in the load event of the form
>2. Release them in the destroy event.
>
>This works fine to me.

But what happens if you open two instances of the form? You'll lose your variables when you close one of them... I'd try using AddProperty (in 6: I don't remember if it's earlier) to add the memvars as form properties.