FarPoint.Win.Spread.Model.DefaultSheetAxisModel dsam = new FarPoint.Win.Spread.Model.DefaultSheetAxisModel(3, FarPoint.Win.Spread.Model.SheetAxisOrientation.Horizontal);
dsam = (FarPoint.Win.Spread.Model.DefaultSheetAxisModel)fpSpread1.ActiveSheet.Models.ColumnAxis;
dsam.SetSortIndicator(0, FarPoint.Win.Spread.Model.SortIndicator.Ascending);
fpSpread1.ActiveSheet.Columns[0].AllowAutoSort = true;
fpSpread1.ActiveSheet.SetText(0, 0, "Uno");
fpSpread1.ActiveSheet.SetText(1, 0, "Dos");
fpSpread1.ActiveSheet.SetText(2, 0, "Tres");
FarPoint.Win.Spread.Model.SortIndicator si;
si = dsam.GetSortIndicator(0);
MessageBox.Show("The sort indicator is " + si.ToString());