Public Sub AddItems( _
   ByVal items As IEnumerable _
) 

Dim instance As HierarchicalCollectionView
Dim items As IEnumerable
 
instance.AddItems(items)

public void AddItems( 
   IEnumerable items
)

public procedure AddItems( 
    items: IEnumerable
); 

public function AddItems( 
   items : IEnumerable
);

public: void AddItems( 
   IEnumerable* items
) 

public:
void AddItems( 
   IEnumerable^ items
)