>>Hi,
>>
>>The title of this thread is the error message I get in this situation.
>>
>>I have a form and a class is dropped on this form. E.g. class MyClass1. It is instantiated with any problem.
>>
>>In the INIT of this form another class is instantiated as follows
>>
>>

>>thisform.oMyClass2 = NEWOBJECT( "MyClass2", "MyClass2Lib.VCX")
>>

>>
>>When when I want to get/reference a property of the MyClass1 in a method of MyClass2, I get error "Object is not contained in a form." The way I reference class MyClass1 in a method of MyClass2 is as follows:
>>
>>

>>thisform.MyClass1.aProperty
>>

>>
>>I thought that since MyClass2 is in the same form that instantiated the MyClass1 I would be able to reference it, but apparently I am wrong. What am I missing?
>
>May be completely wrong again but ..........
>
>you create oMyClass2
>and are referencing MyClass1
>
>which seems inconsistent. Is there a typo for the "o" in one of the class names or code reference?

I don't think there is a typo. It is just that my example was kludgy.
The explanation and the solution that Thierry outlined should work. I have not tested it but I have full trust that he knows what he is talking about.