AreaSeries2D.EmptyPointOptions Property

Gets or sets options related to empty points of the area series.

Assembly : DevExpress.Xpf.Charts.v25.2.dll

NuGet Package : DevExpress.Wpf.Charts

Declaration

C#
VB.NET

csharp

public AreaEmptyPointOptions EmptyPointOptions { get; set; }

Public Property EmptyPointOptions As AreaEmptyPointOptions

Property Value

Type	Description
AreaEmptyPointOptions

Contains settings for empty points of an area series.

Remarks

Use the EmptyPointOptions property to access the following empty point settings:

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 point markers and empty areas.
Border – Specifies border settings for empty point areas.

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

Example

This example shows how to customize display options for empty points of an area series.

Assign an AreaEmptyPointOptions object to the AreaSeries2D.EmptyPointOptions property to customize empty point settings of the area 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 areas that display empty points.

XAML

xaml

<dxc:AreaSeries2D DisplayName="Day Temperature" 
                  ArgumentDataMember="Date" 
                  ValueDataMember="DayTemperature" 
                  Transparency="0.4">
    <dxc:AreaSeries2D.EmptyPointOptions>
        <dxc:AreaEmptyPointOptions ProcessPoints="Interpolate"
                                   Brush="#80808080">
            <dxc:AreaEmptyPointOptions.Border>
                <dxc:SeriesBorder Brush="DarkGray">
                    <dxc:SeriesBorder.LineStyle>
                        <dxc:LineStyle>
                            <dxc:LineStyle.DashStyle>
                                <DashStyle Dashes="2 2"/>
                            </dxc:LineStyle.DashStyle>
                        </dxc:LineStyle>
                    </dxc:SeriesBorder.LineStyle>
                </dxc:SeriesBorder>
            </dxc:AreaEmptyPointOptions.Border>
        </dxc:AreaEmptyPointOptions>
    </dxc:AreaSeries2D.EmptyPointOptions>
</dxc:AreaSeries2D>