You can add your own custom value to the MajorTicks collection.
You just need to set the MajorTickMode to Manual:
<code>
Chart m_chart = chartControl1.Charts[ 0 ];
LineSeries m_line = ( LineSeries )m_chart.Series.Add( SeriesType.Line );
m_line.Values.FillRandomRange( 10, 0, 20 );
m_line.DataLabels.Mode = DataLabelsMode.None;
Axis Yaxis = m_chart.Axis( StandardAxis.PrimaryY );
Yaxis.ScaleMode = AxisScaleMode.Numeric;
Yaxis.NumericScale.MajorTickMode = MajorTickModeNumeric.Manual;
Yaxis.MajorTicks.Clear();
Yaxis.MajorTicks.Add( 10.0 );
Yaxis.MajorTicks.Add( 10.5 );
Yaxis.MajorTicks.Add( 20.0 );
</code>
Imported from legacy forums. Posted by CharlesB (had 3465 views)