TreeListView.ExpandAllNodes() Method
Expands all nodes.
Namespace: DevExpress.Xpf.Grid
Assembly: DevExpress.Xpf.Grid.v18.2.dll
Declaration
Remarks
To expand a node, use the TreeListView.ExpandNode method. To collapse the specified node or all nodes, use the TreeListView.CollapseNode or TreeListView.CollapseAllNodes method, respectively.
Set the TreeListView.AutoExpandAllNodes property to true to expand all nodes automatically when the TreeListView is being loaded.
To learn more, see Expanding and Collapsing Nodes .
See Also