FarPoint.Win.Spread.CellType.MultiOptionCellType multcell = new FarPoint.Win.Spread.CellType.MultiOptionCellType();
multcell.Items = new String[] {"Carbon", "Oxygen", "Hydrogen"};
multcell.ItemData = new String[] {"C", "O2", "H"};
multcell.Orientation = FarPoint.Win.RadioOrientation.Vertical;
fpSpread1.ActiveSheet.Cells[0, 0].CellType = multcell;
Dim multcell As New FarPoint.Win.Spread.CellType.MultiOptionCellType()
multcell.Items = new String() {"Carbon", "Oxygen", "Hydrogen"}
multcell.ItemData = new String() {"C", "O2", "H"}
multcell.Orientation = FarPoint.Win.RadioOrientation.Vertical
FpSpread1.ActiveSheet.Cells(0, 0).CellType = multcell