Hi Narcìs, According to the Help file, I've tried something like that: Steema.TeeChart.Axis ax; tChartHisto.Axes.Custom.Add(ax = new Steema.TeeChart.Axis()); ax.Horizontal = true; ax.RelativePosition = axisPower.StartPosition; tChartHisto.Series[0].HorizAxis = Steema.TeeChart.Styles.HorizontalAxis.C...