WPF Tree List - Use the Child Nodes Selector to Display Hierarchical Data

This example displays the hierarchical data structure that contains different object types. If all objects have the same field that contains child nodes, use the Child Nodes Path technique.

1. Create a selector class that implements the DevExpress.Xpf.Grid.IChildNodesSelector interface, and override the SelectChildren method that returns node children.
2. Assign the selector class to the TreeListView.ChildNodesSelector property.
3. Set the TreeListView.TreeDerivationMode property to ChildNodesSelector.

Files to Review

• ChildNodesSelector.cs (VB: ChildNodesSelector.vb)
• MainWindow.xaml (VB: MainWindow.xaml)
• ViewModel.cs (VB: ViewModel.vb)
• Data.cs (VB: Data.vb)

Documentation

• Child Nodes Selector
• Display Hierarchical Data
• TreeListView.ChildNodesSelector

More Examples

• WPF Tree List - Bind to Self-Referential Data Structure
• WPF Tree List - Implement the Child Nodes Path
• WPF Tree List - Use the Hierarchical Data Template to Build a Tree
• WPF Tree List - Manually Create a Tree

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