Public Property Get CellToolTip( _
    ByVal col As Long, _
    ByVal row As Long _
) As String
Public Property Let CellToolTip( _
    ByVal col As Long, _
    ByVal row As Long, _
    ByVal value As String _
)

public:
BSTR get_CellToolTip (
    int col,
    int row
)
void put_CellToolTip (
    int col,
    int row,
    BSTR value
)