CustomSummaryProcess Enum

Specifies the current status of custom summary calculation.

Namespace: DevExpress.Data

Assembly: DevExpress.Data.v18.1.dll

Declaration

C#

public enum CustomSummaryProcess

VB.NET

Public Enum CustomSummaryProcess

Members

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 API Members

The following properties accept/return CustomSummaryProcess values:

Library	Related API Members
Cross-Platform Class Library	CustomSummaryEventArgs.SummaryProcess
WPF Controls	TreeListCustomSummaryEventArgs.SummaryProcess
ASP.NET Core Bootstrap Controls	ICustomSummaryEventArgs.SummaryProcess
ASP.NET Web Forms Controls	TreeListCustomSummaryEventArgs.SummaryProcess

Remarks

The CustomSummaryProcess enumeration contains values indicating the current status of the custom summary calculation process. These members are used to set the value of the CustomSummaryEventArgs.SummaryProcess property.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the CustomSummaryProcess enum.

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#

how-to-add-a-custom-summary-item-to-the-grids-footer-menu-e496/CS/Form1.cs#L78

{
    if (e.SummaryProcess == DevExpress.Data.CustomSummaryProcess.Start)
        validRowCount = 0;

how-to-immediately-update-gridview-states-after-a-cell-value-is-changed-e4300/CS/WindowsFormsApplication1/Form1.cs#L97

// Initialization
if(e.SummaryProcess == CustomSummaryProcess.Start) {
    summaryCache[summaryItem.FieldName] = 0;

how-to-separately-calculate-a-group-summary-for-a-particular-group-row-e383/CS/Form1.cs#L33

if (!e.IsGroupSummary) return;
if (e.SummaryProcess == CustomSummaryProcess.Start)
{

how-to-select-data-rows-e1666/CS/DXGrid_RowSelection/Window1.xaml.cs#L23

private void grid_CustomSummary(object sender, DevExpress.Data.CustomSummaryEventArgs e) {
    if (e.SummaryProcess == DevExpress.Data.CustomSummaryProcess.Start)
        e.TotalValue = 0;

a-better-way-to-implement-a-frequently-used-custom-summary-weighted-averages-example-e892/CS/Form1.cs#L165

private void gridView1_CustomSummaryCalculate(object sender, DevExpress.Data.CustomSummaryEventArgs e) {
    if(e.IsTotalSummary && e.SummaryProcess == CustomSummaryProcess.Finalize) {
        GridView view = sender as GridView;

VB.NET

how-to-add-a-custom-summary-item-to-the-grids-footer-menu-e496/VB/Form1.vb#L76

If Equals("Count", item.Tag) Then
    If e.SummaryProcess = DevExpress.Data.CustomSummaryProcess.Start Then
        validRowCount = 0

how-to-immediately-update-gridview-states-after-a-cell-value-is-changed-e4300/VB/WindowsFormsApplication1/Form1.vb#L99

' Initialization
If e.SummaryProcess = CustomSummaryProcess.Start Then
    summaryCache(summaryItem.FieldName) = 0

how-to-separately-calculate-a-group-summary-for-a-particular-group-row-e383/VB/Form1.vb#L32

End If
If e.SummaryProcess = CustomSummaryProcess.Start Then
    ivalue = 0

how-to-select-data-rows-e1666/VB/DXGrid_RowSelection/Window1.xaml.vb#L26

Private Sub grid_CustomSummary(ByVal sender As Object, ByVal e As DevExpress.Data.CustomSummaryEventArgs)
    If e.SummaryProcess = DevExpress.Data.CustomSummaryProcess.Start Then
        e.TotalValue = 0

a-better-way-to-implement-a-frequently-used-custom-summary-weighted-averages-example-e892/VB/Form1.vb#L160

Private Sub gridView1_CustomSummaryCalculate(ByVal sender As Object, ByVal e As DevExpress.Data.CustomSummaryEventArgs) Handles gridView1.CustomSummaryCalculate
    If e.IsTotalSummary AndAlso e.SummaryProcess = CustomSummaryProcess.Finalize Then
        Dim view As GridView = TryCast(sender, GridView)