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

public IAgStkGraphicsTerrainOverlay this[
    int Index
] {get;}

public: __property IAgStkGraphicsTerrainOverlay^ get_Item(
    int Index
);

public: HRESULT get_Item(
    int Index,
    IAgStkGraphicsTerrainOverlay* ppRetVal
);

public IAgStkGraphicsTerrainOverlay getItem(
    Integer Index
);