Public Function IndexOf( _
   ByVal TerrainOverlay As IAgStkGraphicsTerrainOverlay _
) As Integer

public int IndexOf(
   IAgStkGraphicsTerrainOverlay TerrainOverlay
);

public: int IndexOf(
   IAgStkGraphicsTerrainOverlay ^ TerrainOverlay
);

public ppInteger indexOf(
   IAgStkGraphicsTerrainOverlay TerrainOverlay
);

public: HRESULT IndexOf(
   IAgStkGraphicsTerrainOverlay * TerrainOverlay, 
   int * ReturnValue
);