Geoff,
If you are talking about a bizobj sort of thing then yes two forms can share the same instance. A contained object on the form needs to be two seperate instances.
>I thought as much. What I was wanting to do was to share the same runtime control (only one instance) between two sub forms. I can set up a reference to another object but the user cannot use it.
>
>I figured that this would not be possible but wasn't sure.