TreeListNodeBase.CollapseAll() Method
Collapses all child nodes.
Namespace: DevExpress.Data.TreeList
Assembly: DevExpress.Data.Desktop.v20.2.dll
NuGet Packages: DevExpress.Data.Desktop, DevExpress.WindowsDesktop.DataDesktop
Declaration
Remarks
To expand all child nodes, use the TreeListNodeBase.ExpandAll method.
See Also