SecondaryAxisYCollection Class
Represents a collection that stores secondary Y-axes of a particular XYDiagram2D.
Namespace: DevExpress.Xpf.Charts
Assembly: DevExpress.Xpf.Charts.v23.2.dll
NuGet Package: DevExpress.Wpf.Charts
Declaration
public class SecondaryAxisYCollection :
ChartElementCollection<SecondaryAxisY2D>,
IEnumerable<IAxisData>,
IEnumerableRelated API Members
The following members return SecondaryAxisYCollection objects:
Remarks
Apart from the primary Y-axis, a 2D XY-Diagram can have an unlimited number of secondary Y-axes. They reside in the collection represented by the SecondaryAxisYCollection class, which can be accessed via the XYDiagram2D.SecondaryAxesY property. Each collection item is represented by a SecondaryAxisY2D object.
The collection of secondary X-axes is represented by the SecondaryAxisXCollection class.
For more information, refer to Primary and Secondary Axes.
Example
This example demonstrates how to assign a secondary Y-axis to a series and uses the following classes and properties:
| Symbol | Description |
|---|---|
| XYDiagram2D.SecondaryAxesY | Gets the collection of secondary Y-axes. |
| SecondaryAxisY2D | Represents the secondary Y-axis within a 2D chart type. |
| XYSeries2D.AxisY | Specifies the Y-axis (or its View Model) that measures a series. |
<dxc:XYDiagram2D.SecondaryAxesY>
<dxc:SecondaryAxisY2D x:Name="percentageAxisY"
Brush="#FFC0504D">
<dxc:SecondaryAxisY2D.WholeRange>
<dxc:Range dxc:AxisY2D.AlwaysShowZeroLevel="False" MinValue="-0.8" MaxValue="0.8"/>
</dxc:SecondaryAxisY2D.WholeRange>
<dxc:SecondaryAxisY2D.NumericScaleOptions>
<dxc:ContinuousNumericScaleOptions AutoGrid="False" GridSpacing="0.4"/>
</dxc:SecondaryAxisY2D.NumericScaleOptions>
</dxc:SecondaryAxisY2D>
</dxc:XYDiagram2D.SecondaryAxesY>
<dxc:LineSeries2D DisplayName="Rate of Change"
ArgumentDataMember="Date" ValueDataMember="ChangeRate"
MarkerVisible="True"
AxisY="{Binding ElementName=percentageAxisY}"/>