TreeListCustomSummaryEventArgs.SummaryProcess Property

Gets a value indicating the calculation stage.

Namespace: DevExpress.Xpf.Grid.TreeList

Assembly: DevExpress.Xpf.Grid.v24.2.dll

NuGet Package: DevExpress.Wpf.Grid.Core

Declaration

C#

public CustomSummaryProcess SummaryProcess { get; }

VB.NET

Public ReadOnly Property SummaryProcess As CustomSummaryProcess

Property Value

Type	Description
CustomSummaryProcess	A CustomSummaryProcess enumeration value indicating the calculation stage.

Available values:

Name	Description
Start	Indicates that the process of custom summary calculation is about to be started.
Calculate	Indicates that custom summary calculation is in progress. This means the event is raised for a specific data row containing the field value used to calculate the processed custom summary.
Finalize	Indicates that the process of custom summary calculation is finished.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the SummaryProcess 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#

wpf-tree-list-calculate-custom-node-summaries/CS/CustomNodeSummaries_CodeBehind/MainWindow.xaml.cs#L25

if(e.IsNodeSummary && e.SummaryItem.FieldName == "Statistics") {
    if(e.SummaryProcess == CustomSummaryProcess.Calculate) {
        e.TotalValue = Convert.ToDouble(e.TotalValue) + (double)e.FieldValue;

VB.NET

wpf-tree-list-calculate-custom-node-summaries/VB/CustomNodeSummaries_CodeBehind/MainWindow.xaml.vb#L34

If e.IsNodeSummary AndAlso Equals(e.SummaryItem.FieldName, "Statistics") Then
    If e.SummaryProcess = CustomSummaryProcess.Calculate Then
        e.TotalValue = Convert.ToDouble(e.TotalValue) + CDbl(e.FieldValue)