How do you reference a form control from a module?

How do you reference a form control from a module? This is something that should be easy to do but it's nowhere in the documentation. This is what I've tried so far:

Dim objfrmMain as form
objfrmMain = New frmMain
objfrmMain.control ?????????
Since form controls are declared with Friend scope in VB.NET, you are probably running into the issue that those controls can only be accessed from code inside the same assembly. The documentation is quite clear about the Friend levels of recognition.

This was first published in May 2003