TreeViewControl.ExpandToLevel(Int32) Method

Expands the parent nodes down to the specified nesting level.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v23.2.dll

NuGet Package: DevExpress.Wpf.Grid.Core

Declaration

C#

public void ExpandToLevel(
    int level
)

VB.NET

Public Sub ExpandToLevel(
    level As Integer
)

Parameters

Name	Type	Description
level	Int32	The required nesting level.

Remarks

The following code sample expands all root nodes.

XAML

<dxg:TreeViewControl x:Name="treeViewControl"
                     Loaded="treeViewControl_Loaded"
                     .../>

C#

void treeViewControl_Loaded(object sender, System.Windows.RoutedEventArgs e) {
    treeViewControl.ExpandToLevel(0);
}

VB.NET

Private Sub treeViewControl_Loaded(ByVal sender As Object, ByVal e As System.Windows.RoutedEventArgs)
    treeViewControl.ExpandToLevel(0)
End Sub