testing a class

[bbxrider]

for the lesson here, http://msdn.microsoft.com/en-us/library/ms172603.aspx
i followed everything to the letter, and this is visual studio 2005, but the editor does not recognize the class,
Dim person1 As New persons.persons
the msg is : 'type persons.persons is not defined'

i've checked a lot and all the names look correct to me, must be something simple i've missed?
bob