Public Function IndexFromItem( _
   ByVal item As Object _
) As Integer

Dim instance As ItemsControlHelper
Dim item As Object
Dim value As Integer
 
value = instance.IndexFromItem(item)

public int IndexFromItem( 
   object item
)

public function IndexFromItem( 
    item: TObject
): Integer; 

public function IndexFromItem( 
   item : Object
) : int;

public: int IndexFromItem( 
   Object* item
) 

public:
int IndexFromItem( 
   Object^ item
)