You might be giving up on too easily on what I posted. I noticed the LeBans thing related to a form, which is why I didn't suggest it. However, I think my link was a jumping off point in which you'll need to do the detective work. Considering the answer given, I thought OK, what's needed might be a way to get the control Hwnd value so I Googled that and came up with
http://access.mvps.org/access/api/api0027.htm
I'm going to have to stop there and let you carry on with the crumb trail before momma gives me the evil eye.
The more we hear silence, the more we begin to think about our value in this universe.
Paraphrase of Professor Brian Cox.