TreeListCustomSummaryEventArgs.TotalValue Property

Gets or sets the total summary value.

Namespace: DevExpress.Xpf.Grid.TreeList

Assembly: DevExpress.Xpf.Grid.v23.2.dll

NuGet Package: DevExpress.Wpf.Grid.Core

Declaration

C#

public object TotalValue { get; set; }

VB.NET

Public Property TotalValue As Object

Property Value

Type	Description
Object	An object that specifies the total summary value.

Remarks

The TotalValue property accumulates the custom calculated total value. Note that this property should be initialized before the summary calculation process starts. To identify the status of the custom summary calculation, use the TreeListCustomSummaryEventArgs.SummaryProcess property. When performing calculations, you need to refresh the TotalValue property for it to be updated with the new values.

You can also update the TotalValue property’s value when finalizing the calculation. In this instance, the TreeListCustomSummaryEventArgs.SummaryProcess property returns the CustomSummaryProcess.Finalize value.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the TotalValue 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#L26

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#L35

If e.SummaryProcess = CustomSummaryProcess.Calculate Then
    e.TotalValue = Convert.ToDouble(e.TotalValue) + CDbl(e.FieldValue)
End If