John-

PMFJI...

>Great information! I thought I knew how these worked, but now realize I didn't quite have it right. Re: object clean up - I use CREATEOBJECT to instantiate a business object based on the DE class on a form.
>

THISFORM.oSrvPlan = CREATEOBJECT('boSrvPlan',1)

>Are you saying that the object is not released when the form is released, even though the BO is 'tied' to a form property?

You're not seeing a problem with your form's releasing? Generally this technique has been a cause of dangling object references in my experience. My habit now is to include clean up code in the destroy(). For example,

*thisform.destroy()
WITH THIS
  STORE .NULL. TO .oSrvPlan
ENDWITH

The construction is just my habit since I may have more than one member I need to .NULL. in the cleanup code.

In the case of member arrays whose elements contain objects, I'm in the habit--based on past experience-- of setting each element to .NULL. before setting the member to .NULL.