This will work with a container.

set classlib to MyClassLibrary additive
thisform.addobject('oContainer','MyClass')
thisform.oContainer.visible = .T.

>I posted the following message in a thread earlier tonight.
>Hi. The following code crashes when it reaches the .show command. I am using it in the click event of a command button in a grid (w/ no control source):
>
> MyObject = createobject('MyClass')
> MyObject.show(1)
>
> Error on show line: Unknown Member MYOBJECT
>
> Erik Moore asked if MyClass was a form. The answer is that it is a container class, and not a form.
>
> thanks, Randy