QualitativeConstantLine Class

The vertical straight line that passes through the chart and indicates a qualitative x-axis’s value.

Assembly: DevExpress.Maui.Charts.dll

NuGet Package: DevExpress.Maui.Charts

Declaration

public class QualitativeConstantLine :
    ConstantLineBase

The following image demonstrates how the Qualitative Constant Line looks:

Date-Time Constant Line Sample

Each axis can have any number of constant lines. A qualitative axis (QualitativeAxisX) holds its constant lines in the QualitativeConstantLineCollection collection which the QualitativeAxisX.ConstantLines property returns.

The following properties allow you to define constant line settings:

Property	Description
AxisValue	Gets or sets the constant line position along the axis. This is a bindable property.
ShowBehind	Gets or sets whether the constant line is displayed behind series. This is a bindable property.
VisibleInLegend	Indicates whether the constant line is shown in the chart legend. This is a bindable property.
LegendText	Gets or sets the text that identifies the constant line in the chart legend. This is a bindable property.
Title	Gets or sets settings of the constant line title. This is a bindable property.
Style	Gets or sets the constant line appearance settings. This is a bindable property.