SummaryItemType Enum

Specifies summary type to calculate against a group of column cells.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v18.1.dll

Declaration

C#

public enum SummaryItemType

VB.NET

Public Enum SummaryItemType

Members

Name	Description
Sum	Calculates the sum of field values within a group of column cells.
Min	Retrieves the minimum value within a group of column cells.
Max	Retrieves the maximum value within a group of column cells.
Count	Calculates the number of nodes within a group of column cells.
Average	Calculates the average field value within a group of column cells.
Custom	Allows a user to define a custom summary value by handling the TreeList.GetCustomSummaryValue event.
None	Summary is not calculated.

Related API Members

The following properties accept/return SummaryItemType values:

• CustomDrawFooterCellEventArgs.ItemType
• TreeListColumn.RowFooterSummary
• TreeListColumn.SummaryFooter
• TreeListMenuItemClickEventArgs.SummaryType

Related GitHub Examples

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

row-group-summary-how-to-handle-row-footer-visibility-t192034/CS/dxSample/Form1.cs#L25

void InitSummary(){
    treeList1.Columns[1].RowFooterSummary = DevExpress.XtraTreeList.SummaryItemType.Sum;
    treeList1.Columns[2].RowFooterSummary = DevExpress.XtraTreeList.SummaryItemType.Count;

VB.NET

row-group-summary-how-to-handle-row-footer-visibility-t192034/VB/dxSample/Form1.vb#L27

Private Sub InitSummary()
    treeList1.Columns(1).RowFooterSummary = DevExpress.XtraTreeList.SummaryItemType.Sum
    treeList1.Columns(2).RowFooterSummary = DevExpress.XtraTreeList.SummaryItemType.Count