次のサンプルコードは、ColumnSplitBoxAlignmentプロパティを設定します。
FarPoint.Win.Spread.SpreadView sv = fpSpread1.GetRootWorkbook();
sv.ColumnSplitBoxAlignment = FarPoint.Win.Spread.SplitBoxAlignment.Trailing;
Dim sv As FarPoint.Win.Spread.SpreadView = FpSpread1.GetRootWorkbook
sv.ColumnSplitBoxAlignment = FarPoint.Win.Spread.SplitBoxAlignment.Trailing