TreeListNode.ExpandAll() Method

Expands all the child nodes.

Namespace: DevExpress.XtraTreeList.Nodes

Assembly: DevExpress.XtraTreeList.v19.1.dll

Declaration

C#

public virtual void ExpandAll()

VB.NET

Public Overridable Sub ExpandAll

Remarks

This method expands all the nodes owned by the current node. To expand all the nodes within the Tree List use the TreeList.ExpandAll method. Individual nodes can be expanded by settings their TreeListNode.Expanded property to true.

To collapse all the nodes within the Tree List use the TreeList.CollapseAll method.

Related GitHub Examples

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

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-implement-a-search-by-visible-nodes-in-treelist-e2728/CS/WindowsApplication1/MyTreeListSearchHelper.cs#L100

{
    node.ExpandAll();
    return forward ? node.NextVisibleNode : node.NextVisibleNode;

richeditcontrol-event-viewer-t258534/CS/RichEditControlEventViewer/Form1.cs#L103

if (appendExpandedBox.Checked && (propInfoArray.Length > 0))
    firstLevelNode.ExpandAll();
loggerControl.MakeNodeVisible(firstLevelNode);

how-to-implement-a-service-to-manage-the-process-of-worksheet-cell-calculation-t270403/CS/CustomCalculationServiceExample/CustomCalculationService.cs#L82

}
firstLevelNode.ExpandAll();
loggingControl.MakeNodeVisible(firstLevelNode);

schedulercontrol-and-schedulerstorage-event-viewer-t444758/CS/SchedulerControlEventViewer/Form1.cs#L103

if (appendExpandedBox.Checked && (propInfoArray.Length > 0))
    firstLevelNode.ExpandAll();
loggerControl.MakeNodeVisible(firstLevelNode);

VB.NET

how-to-implement-a-search-by-visible-nodes-in-treelist-e2728/VB/WindowsApplication1/MyTreeListSearchHelper.vb#L97

Private Function GetNextNode(ByVal node As TreeListNode, ByVal forward As Boolean) As TreeListNode
    node.ExpandAll()
    If forward Then

richeditcontrol-event-viewer-t258534/VB/RichEditControlEventViewer/Form1.vb#L89

If appendExpandedBox.Checked AndAlso (propInfoArray.Length > 0) Then
    firstLevelNode.ExpandAll()
End If

how-to-implement-a-service-to-manage-the-process-of-worksheet-cell-calculation-t270403/VB/CustomCalculationServiceExample/CustomCalculationService.vb#L80

End If
firstLevelNode.ExpandAll()
loggingControl.MakeNodeVisible(firstLevelNode)

schedulercontrol-and-schedulerstorage-event-viewer-t444758/VB/SchedulerControlEventViewer/Form1.vb#L93

If appendExpandedBox.Checked AndAlso (propInfoArray.Length > 0) Then
    firstLevelNode.ExpandAll()
End If