>>Re-writting DoForm as a separate procedure with a call to DoForm method from the Form Manager solved the DS problem. Now there are several other issues I have to work on.
>
>As for (not) releasing the DS, I've seen that in VFP8, but don't remember what were the settings. I know some settings were quite extraordinary, so I thought it was something there that caused it. A lot of cursors created during the life of form would remain open, the datasession would stay dangling in the SET window, and I'm still not sure what was causing that.
>
>Nowadays it's a problem that the SET window (aka Data Session window) doesn't refresh until you try to browse any alias, I wish they didn't fix it from 8, which worked :).

I actually found the cause for this one too yesterday just before leaving. It was a typo from my part in the form's class Destroy method where I tried to unregister the form with form's manager.

Thanks again to you.