The SecondaryAxisY class represents the secondary Axis of values (Y-axis) within a chart control in 2D series (except for the Swift Plot). It inherits properties and methods from the base AxisYBase class, which implements the common Y-axes functionality.
The collection of the SecondaryAxisY objects is represented by the SecondaryAxisYCollection class, and it can be accessed via the XYDiagram.SecondaryAxesY property of an XYDiagram object, which in its turn is exposed via the DevExpress.XtraCharts.ChartControl.Diagram property.
A diagram's primary Y-axis is represented by the AxisY class. And, for Swift Plot charts, the SwiftPlotDiagramSecondaryAxisY class provides a similar functionality.
For more information, refer to Primary and Secondary Axes.

Example
This example demonstrates how to add secondary axes to a chart at runtime.

Use the following API members to add secondary axes:
C# |
using System;
using System.Drawing;
using System.Windows.Forms;
using DevExpress.XtraCharts;
private void Form1_Load(object sender, EventArgs e) {
ChartControl chartControl1 = new ChartControl();
Series series1 = new Series("Series 1", ViewType.Bar);
Series series2 = new Series("Series 2", ViewType.Line);
series1.Points.Add(new SeriesPoint("A", 10));
series1.Points.Add(new SeriesPoint("B", 12));
series1.Points.Add(new SeriesPoint("C", 17));
series1.Points.Add(new SeriesPoint("D", 14));
series2.Points.Add(new SeriesPoint("I", 1500));
series2.Points.Add(new SeriesPoint("II", 1800));
series2.Points.Add(new SeriesPoint("III", 2500));
series2.Points.Add(new SeriesPoint("IV", 3300));
chartControl1.Series.AddRange(new Series[] { series1, series2 });
chartControl1.Legend.Visibility = DevExpress.Utils.DefaultBoolean.False;
SecondaryAxisX myAxisX = new SecondaryAxisX("my X-Axis");
SecondaryAxisY myAxisY = new SecondaryAxisY("my Y-Axis");
((XYDiagram)chartControl1.Diagram).SecondaryAxesX.Add(myAxisX);
((XYDiagram)chartControl1.Diagram).SecondaryAxesY.Add(myAxisY);
((LineSeriesView)series2.View).AxisX = myAxisX;
((LineSeriesView)series2.View).AxisY = myAxisY;
myAxisX.Title.Text = "A Secondary X-Axis";
myAxisX.Title.Visibility = DevExpress.Utils.DefaultBoolean.True;
myAxisX.Title.TextColor = Color.Red;
myAxisX.Label.TextColor = Color.Red;
myAxisX.Color = Color.Red;
myAxisY.Title.Text = "A Secondary Y-Axis";
myAxisY.Title.Visibility = DevExpress.Utils.DefaultBoolean.True;
myAxisY.Title.TextColor = Color.Blue;
myAxisY.Label.TextColor = Color.Blue;
myAxisY.Color = Color.Blue;
chartControl1.Dock = DockStyle.Fill;
this.Controls.Add(chartControl1);
}
|
VB |
Imports System
Imports System.Drawing
Imports System.Windows.Forms
Imports DevExpress.XtraCharts
Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) _
Handles MyBase.Load
Dim chartControl1 As New ChartControl()
Dim series1 As New Series("Series 1", ViewType.Bar)
Dim series2 As New Series("Series 2", ViewType.Line)
series1.Points.Add(New SeriesPoint("A", 10))
series1.Points.Add(New SeriesPoint("B", 12))
series1.Points.Add(New SeriesPoint("C", 17))
series1.Points.Add(New SeriesPoint("D", 14))
series2.Points.Add(New SeriesPoint("I", 1500))
series2.Points.Add(New SeriesPoint("II", 1800))
series2.Poi |