CustomAggregateFunction.Calculate(GroupInfo) Method

Calculates the aggregated values of the specified series point value group.

Namespace: DevExpress.Xpf.Charts

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

NuGet Package: DevExpress.Wpf.Charts

Declaration

C#

public abstract double[] Calculate(
    GroupInfo groupInfo
)

VB.NET

Public MustOverride Function Calculate(
    groupInfo As GroupInfo
) As Double()

Parameters

Name	Type	Description
groupInfo	GroupInfo	Information about values that should be aggregated.

Returns

Type	Description
Double[]	The array of data point values.

Remarks

The group info stores the following value collections in its properties:

Property	Value Levels
GroupInfo.Values1	Value (for common and the bubble series), Value_1 (for range series), High (for financial series)
GroupInfo.Values2	Weight (for common and the bubble series), Value_2 (for range series), Low (for financial series)
GroupInfo.Values3	Open (for financial series)
GroupInfo.Values4	Close (for financial series)

The resulting array must contain values in the following order:

Series type	Value order
For common series	{Value}
For range series:	{Value_1, Value_2}
For the bubble series:	{Value, Weight}
For financial series:	{High, Low, Open, Close}