RosettaCodeData/Task/Inheritance-Single/Visual-Basic-.NET/inheritance-single.visual

Class Animal
  ' ...
End Class

Class Dog
  Inherits Animal
  ' ...
End Class

Class Lab
  Inherits Dog
  ' ...
End Class

Class Collie
  Inherits Dog
  ' ...
End Class

Class Cat
  Inherits Animal
  ' ...
End Class