次のサンプルコードは、指定したセルから選択範囲を削除します。
FarPoint.Win.Spread.Model.DefaultSheetSelectionModel defselModel = new FarPoint.Win.Spread.Model.DefaultSheetSelectionModel();
fpSpread1.ActiveSheet.Models.Selection = defselModel;
defselModel.RemoveSelection(0, 0, 3, 3);
Dim defselModel As New FarPoint.Win.Spread.Model.DefaultSheetSelectionModel()
FpSpread1.ActiveSheet.Models.Selection = defselModel
defselModel.RemoveSelection(0, 0, 3, 3)