次のサンプルコードは、ShowRowErrorsプロパティを設定します。
FarPoint.Win.Spread.SpreadView sv = fpSpread1.GetRootWorkbook();
sv.ShowRowErrors = true;
sv.ShowCellErrors = true;
sv.Sheets[0].Cells[1, 1].ErrorText = "CellError";
sv.Sheets[0].Cells[1, 1].Locked = true;
Dim sv As FarPoint.Win.Spread.SpreadView = FpSpread1.GetRootWorkbook
sv.ShowRowErrors = True
sv.ShowCellErrors = True
sv.Sheets(0).Cells(1, 1).ErrorText = "CellError"
sv.Sheets(0).Cells(1, 1).Locked = True