>>>>There's no AddObject() function in VFP. I guess you're refering to NewObject() and AddObject() methods. If that the case than NewObject() method is very similar to the NewObject() function and AddObject() method to the CreateObject() function.
>>>
>>>Sorry, I was referring to the methods. Any relevant difference between .AddObject() and .NewObject()?
>>
>>The .AddObject() and CreateObject() rely on SET CLASSLIB and SET PROCEDURE (non-visual classes) to find a class to instantiate. The NewObject()/.NewObject() allow to specify a class library/.FXP as parameter.
>
>So why ever use AddObject() again? Why not always use NewObject(), as it seems more flexible?

The most flexible of all approaches is the object factory. We always have to balance performance against programming time.

http://weblogs.foxite.com/andykramek/archive/2007/08/04/4508.aspx