FarPoint.Win.Spread.ExcelSparklineSetting ex = new FarPoint.Win.Spread.ExcelSparklineSetting();
ex.MaxAxisType = FarPoint.Win.Spread.SparklineAxisMinMax.Custom;
ex.ManualMax = 12;
ex.MinAxisType = FarPoint.Win.Spread.SparklineAxisMinMax.Custom;
ex.ManualMin = 0;
fpSpread1.Sheets[0].Cells[1, 0].Value = 2;
fpSpread1.Sheets[0].Cells[1, 1].Value = 11;
fpSpread1.Sheets[0].Cells[1, 2].Value = 4;
fpSpread1.Sheets[0].AddSparkline("Sheet1!$A$2:$C$2", "Sheet1!$D$2:$D$2", FarPoint.Win.Spread.SparklineType.Column, ex);