TreeListView.ExpandCollapseNodesOnNavigation Property

Gets or sets whether end users can expand and collapse a focused node using the Left / Right cursor keys. This is a dependency property.

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 bool? ExpandCollapseNodesOnNavigation { get; set; }

VB.NET

Public Property ExpandCollapseNodesOnNavigation As Boolean?

Property Value

Type	Description
Nullable<Boolean>	true, if end user can expand and collapse a focused node using the Left / Right cursor keys; otherwise, false.

Remarks

Users can expand/collapse nodes as follows:

• Click a node’s expand button.
• Focus a node and press Ctrl + Left / Right.

Note

• If the DataViewBase.NavigationStyle property is Row, users can press Left / Right without Ctrl to expand/collapse nodes.
• If the ExpandCollapseNodesOnNavigation property is true, users can press Left / Right without Ctrl to expand/collapse nodes despite the DataViewBase.NavigationStyle property’s value.

Tip

Topic: Expand and Collapse Nodes