TreeViewControl.ExpandStateBinding Property

Gets or sets the binding that specifies that nodes are expanded.

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 Binding ExpandStateBinding { get; set; }

VB.NET

Public Property ExpandStateBinding As Binding

Property Value

Type	Description
Binding	A Binding object that specifies that nodes are expanded.

Remarks

XAML

<dxg:TreeViewControl ItemsSource="{Binding EmployeeDepartments}" 
                     ChildNodesPath="Employees" 
                     TreeViewFieldName="Name"
                     ExpandStateBinding="{Binding Expanded}"/>

C#

public class EmployeeDepartment {
    public string Name { get; set; }
    public ObservableCollection<Employee> Employees { get; }
    public bool Expanded { get; set; }
}

VB.NET

Public Class EmployeeDepartment
    Public Property Name As String
    Public ReadOnly Property Employees As ObservableCollection(Of Employee)
    Public Property Expanded As Boolean
End Class