TreeViewControl.CollapseAllNodes() Method

Collapses all nodes.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v20.2.dll

NuGet Packages: DevExpress.WindowsDesktop.Wpf.Grid.Core, DevExpress.Wpf.Grid.Core

Declaration

C#

public void CollapseAllNodes()

VB.NET

Public Sub CollapseAllNodes

Remarks

To collapse a node, use the CollapseNode method. To expand the specified node or all nodes, use the ExpandNode or ExpandAllNodes method, respectively.