>>>I see. But will it fundamentally change anything, to have a public variable vs. a property of _screen? Thank you for your suggestion.
>>>
>>
>>In my opinion it's better than having a public variable. You can, of course, also just add a property to your global application object. That's the way it is supposed to be - only one global variable oApp (and it may be declared private in the main program) and the rest would be properties of it.
>
>There is nothing "better" about a public property on a public object than a public variable.

There is. The uncluttered locals window in the debugger ;).