TreeViewControl.ExpandToLevel(Int32) Method

Expands the parent nodes down to the specified nesting level.

Assembly : DevExpress.Xpf.Grid.v25.2.dll

NuGet Package : DevExpress.Wpf.Grid.Core

Declaration

csharp

public void ExpandToLevel(
    int level
)

Public Sub ExpandToLevel(
    level As Integer
)

Name	Type	Description
level	Int32

The required nesting level.

The following code sample expands all root nodes.

xaml

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

csharp

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

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