TreeListNodeBase.HasChildren Property

Gets whether or not the node has a child node(s).

Namespace: DevExpress.Data.TreeList

Assembly: DevExpress.Data.v23.2.dll

NuGet Package: DevExpress.Data

Declaration

C#

public bool HasChildren { get; }

VB.NET

Public ReadOnly Property HasChildren As Boolean

Property Value

Type	Description
Boolean	true if the node has a child node(s); otherwise, false.

Remarks

The HasChildren property returns true if the node’s TreeListNode.Nodes collection is not empty.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the HasChildren 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-emulate-binding-to-the-isexpanded-property-of-the-treelistnode-t127638/CS/DevExpress.Example04/BindableExpandingBehavior.cs#L28

this.SubscribeObject(iterator.Current.Content);
if(iterator.Current.HasChildren) {
    this.AttachItems(iterator.Current.Nodes);

wpf-spreadsheetcontrol-api-part-3/CS/SpreadsheetControl_WPF_API_Part03/MainWindow.xaml.cs#L163

if (e.Node.HasChildren && e.Node.Content is CodeExampleGroup) {
    e.DisplayText = (e.Node.Content as CodeExampleGroup).Name;

wpf-spreadsheet-pivot-table-api-examples/CS/SpreadsheetWPFPivotTableExamples/MainWindow.xaml.cs#L198

if (e.Node.HasChildren && e.Node.Content is CodeExampleGroup)
{

wpf-richedit-document-api/CS/DXRichEditControlAPISample/MainWindow.xaml.cs#L174

if (e.Node.HasChildren && e.Node.Content is CodeExampleGroup) {
    e.DisplayText = (e.Node.Content as CodeExampleGroup).Name;

wpf-spreadsheet-chart-api/CS/SpreadsheetWPFChartAPISamples/MainWindow.xaml.cs#L176

if (e.Node.HasChildren && e.Node.Content is CodeExampleGroup) {
    e.DisplayText = (e.Node.Content as CodeExampleGroup).Name;

VB.NET

how-to-emulate-binding-to-the-isexpanded-property-of-the-treelistnode-t127638/VB/DevExpress.Example04/BindableExpandingBehavior.vb#L33

Me.SubscribeObject(iterator.Current.Content)
If iterator.Current.HasChildren Then
    Me.AttachItems(iterator.Current.Nodes)

wpf-spreadsheetcontrol-api-part-3/VB/SpreadsheetControl_WPF_API_Part03/MainWindow.xaml.vb#L180

If e.Node.HasChildren AndAlso TypeOf e.Node.Content Is CodeExampleGroup Then
    e.DisplayText = (TryCast(e.Node.Content, CodeExampleGroup)).Name

wpf-spreadsheet-pivot-table-api-examples/VB/SpreadsheetWPFPivotTableExamples/MainWindow.xaml.vb#L194

If e.Node.HasChildren AndAlso TypeOf e.Node.Content Is CodeExampleGroup Then
    e.DisplayText = (TryCast(e.Node.Content, CodeExampleGroup)).Name

wpf-richedit-document-api/VB/DXRichEditControlAPISample/MainWindow.xaml.vb#L187

If e.Node.HasChildren AndAlso TypeOf e.Node.Content Is CodeExampleGroup Then
    e.DisplayText = (TryCast(e.Node.Content, CodeExampleGroup)).Name

wpf-spreadsheet-chart-api/VB/SpreadsheetWPFChartAPISamples/MainWindow.xaml.vb#L192

If e.Node.HasChildren AndAlso TypeOf e.Node.Content Is CodeExampleGroup Then
    e.DisplayText = (TryCast(e.Node.Content, CodeExampleGroup)).Name