EmptyPointOptions Class

Contains options related to empty points.

Assembly: DevExpress.Xpf.Charts.v21.2.dll

NuGet Package: DevExpress.Wpf.Charts

Declaration

C#
VB.NET

public class EmptyPointOptions :
    ChartDependencyObject,
    IEmptyPointColorizer

Public Class EmptyPointOptions
    Inherits ChartDependencyObject
    Implements IEmptyPointColorizer

The following members return EmptyPointOptions objects:

Remarks

The EmptyPointOptions class contains the following options:

ProcessPoints – Defines how to handle empty points (for example, the chart control can automatically populate empty points with zero values).
Brush – Specifies the brush that is used to paint empty points, empty point markers (for line and area series), and empty areas (for area series).

Refer to the following help topic for more information: Empty Points.

Example

This example shows how to customize display options for empty points of a bar series.

This chart displays a bar series with empty points.

Assign an EmptyPointOptions object to the XYSeries2D.EmptyPointOptions property to customize empty point settings of the line series.

Specify the EmptyPointOptions.ProcessPoints property to define how the chart handles empty points. In this example, the chart calculates mock values for empty points.

Use the EmptyPointOptions.Brush property to paint bars that display empty points.

XAML

<dxc:BarSideBySideSeries2D DisplayName="Day Temperature" 
                  ArgumentDataMember="Date" 
                  ValueDataMember="DayTemperature">
    <dxc:BarSideBySideSeries2D.EmptyPointOptions>
        <dxc:EmptyPointOptions ProcessPoints="Interpolate"
                               Brush="#80808080" >      
        </dxc:EmptyPointOptions>
    </dxc:BarSideBySideSeries2D.EmptyPointOptions>
</dxc:BarSideBySideSeries2D>