Public Property Item( _
    ByVal Index As Integer _
) As 

public IAgAreaTypePattern this[
    int Index
] {get;}

public: __property IAgAreaTypePattern^ get_Item(
    int Index
);

public: HRESULT get_Item(
    long Index,
    IAgAreaTypePattern* ppVal
);

public IAgAreaTypePattern getItem(
    int Index
);