//整数型セルの負数を赤色で表示します
FpSpread1.Cells[0, 0, 0, 1].CellType = new IntegerCellType() { NegativeRed = true };
FpSpread1.Cells[0, 0].Value = -1000;
FpSpread1.Cells[0, 1].Value = 1000;
'整数型セルの負数を赤色で表示します
FpSpread1.Cells(0, 0, 0, 1).CellType = New IntegerCellType() With { .NegativeRed = True }
FpSpread1.Cells(0, 0).Value = -1000
FpSpread1.Cells(0, 1).Value = 1000