CustomSummaryEventArgs.SummaryProcess Property

Gets a value indicating calculation stage.

Namespace: DevExpress.Data

Assembly: DevExpress.Data.v19.1.dll

Declaration

C#

public CustomSummaryProcess SummaryProcess { get; }

VB.NET

Public ReadOnly Property SummaryProcess As CustomSummaryProcess

Property Value

Type	Description
CustomSummaryProcess	A CustomSummaryProcess enumeration value indicating 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 snippets (auto-collected from DevExpress Examples) contain references 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#

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-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;

how-to-display-a-group-row-value-in-a-group-footer-summary-cell-e307/CS/WindowsApplication8/Form1.cs#L27

{
    if (e.SummaryProcess == DevExpress.Data.CustomSummaryProcess.Finalize && ((GridGroupSummaryItem)e.Item).Tag.Equals(1)) {
        e.TotalValue = (sender as GridView).GetGroupRowValue(e.RowHandle);

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-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)

how-to-display-a-group-row-value-in-a-group-footer-summary-cell-e307/VB/WindowsApplication8/Form1.vb#L24

Private Sub gridView1_CustomSummaryCalculate(ByVal sender As Object, ByVal e As DevExpress.Data.CustomSummaryEventArgs) Handles gridView1.CustomSummaryCalculate
    If e.SummaryProcess = DevExpress.Data.CustomSummaryProcess.Finalize AndAlso CType(e.Item, GridGroupSummaryItem).Tag.Equals(1) Then
        e.TotalValue = (TryCast(sender, GridView)).GetGroupRowValue(e.RowHandle)