DataSourceBasedErrorBars Class

The Error Bars indicator whose error values are loaded from a data source.

Assembly: DevExpress.Xpf.Charts.v21.1.dll

NuGet Package: DevExpress.Wpf.Charts

Declaration

C#
VB.NET

public class DataSourceBasedErrorBars :
    ErrorBars,
    IDataSourceIndicator

Public Class DataSourceBasedErrorBars
    Inherits ErrorBars
    Implements IDataSourceIndicator

Remarks

This class introduces the DataSourceBasedErrorBars.PositiveErrorDataMember and DataSourceBasedErrorBars.NegativeErrorDataMember properties specifying data members which store error values.

Examples

How to: Add the Data Source Based Error Bars Indicator to a Chart

This example demonstrates how to plot Data Source Based Error Bars on the chart.

To do this, add a DataSourceBasedErrorBars object to the series XYSeries2D.Indicators collection. Then, specify which data members store negative and positive error values using the DataSourceBasedErrorBars.NegativeErrorDataMember and DataSourceBasedErrorBars.PositiveErrorDataMember properties.

View Example

MainWindow.xaml

<dxc:PointSeries2D  x:Name="pointSeries" DisplayName="Series 1">
    <dxc:PointSeries2D.Indicators>
        <dxc:DataSourceBasedErrorBars NegativeErrorDataMember="Negative"
                                      PositiveErrorDataMember="Positive"
                                      Direction="Both" 
                                      EndStyle="Cap"/>
    </dxc:PointSeries2D.Indicators>
</dxc:PointSeries2D>

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the DataSourceBasedErrorBars class.

Note

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XAML

how-to-add-the-data-source-based-error-bars-indicator-to-a-chart-t432023/CS/DataSourceBasedErrorBars/MainWindow.xaml#L40

<dxc:PointSeries2D.Indicators>
    <dxc:DataSourceBasedErrorBars NegativeErrorDataMember="Negative"
                                  PositiveErrorDataMember="Positive"