>So, until a third solution is presented, we have:
>
>- tap the _screen.ActiveForm, assuming that that's the form which called, and that its properties hold the parameter (which is not necessarily so but can be arranged)
>- rework the form so that the parameter isn't needed during the instantiation, but can be passed to a method later.

The project I am working on is using Visual MaxFrame(VMP). VMP has a standard global object called oForms that has a method DoForm() which is used to call all forms. DoForm() is passed both the form name and the parameters to the new form. I had a need for parameters in Load() so I added a method to get the parameter from oForms. I changed the Load() method on my base form to get the parameter from oForms and make it available as a property. So, all my forms automatically have access the the parameter in Load().

Generally I pass a single parameter object to forms. I can call AddProperty() and add as many parameters to it I want.

This implementation let me do something else. oForms.DoForm() if called with a form name that was already running activated the existing form. So in Activate() I could check to see if oForms passed any new parameters. So if a user clicks on a button that is supposed to launch a form and start it on a specific record, it still works if the form is already running.

A bit more work to setup, but it has worked for me nicely.