XYDiagram2DSeriesViewBase.AggregateFunction Property

Gets or sets the function that is used to aggregate series points.

Namespace: DevExpress.XtraCharts

Assembly: DevExpress.XtraCharts.v24.1.dll

NuGet Package: DevExpress.Charts

Declaration

C#

[NonTestableProperty]
[XtraChartsLocalizableCategory(XtraChartsCategory.Data)]
[XtraSerializableProperty]
public SeriesAggregateFunction AggregateFunction { get; set; }

VB.NET

<NonTestableProperty>
<XtraSerializableProperty>
<XtraChartsLocalizableCategory(XtraChartsCategory.Data)>
Public Property AggregateFunction As SeriesAggregateFunction

Property Value

Type	Description
SeriesAggregateFunction	The aggregate function type.

Available values:

Name	Description
Default	The aggregate function is specified by the AggregateFunction property of the appropriate axis scale options.
None	The aggregate function is not applied.
Average	Aggregates data by calculating the average value for a selected numeric or date-time interval.
Sum	Aggregates data by calculating the sum for a selected numeric or date-time interval.
Minimum	Aggregates data by calculating the minimum value for a selected numeric or date-time interval.
Maximum	Aggregates data by calculating the maximum value for a selected numeric or date-time interval.
Count	Aggregates data by calculating the number of non-null values for a selected numeric or date-time interval.
Histogram	Aggregates data by calculating the number of all points for a selected numeric or date-time interval.
Financial	Aggregates financial data for a selected interval into a single open-high-low-close data point, as follows. The Open value of the aggregated point is the Open value of the first aggregated point, the High value - the maximum High value of aggregated points, the Low value - the minimum Low value of aggregated points, and the Close value - the Close value of the last aggregated point.
Custom	Aggregates data using the custom CustomAggregateFunction calculator.

Related GitHub Examples

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

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-charts-plot-xy-series-with-histogram/CS/Form1.cs#L29

chartControl1.Series.Add(histogram);
((BarSeriesView)histogram.View).AggregateFunction = SeriesAggregateFunction.Histogram;

VB.NET

winforms-charts-plot-xy-series-with-histogram/VB/Form1.vb#L57

chartControl1.Series.Add(histogram)
CType(histogram.View, BarSeriesView).AggregateFunction = SeriesAggregateFunction.Histogram
Dim line As Series = New Series("Line", ViewType.Spline)