HierarchicalChartControlBase.SelectionChanged Event

Occurs when items are added to or removed from the SelectedItems collection.

Namespace: DevExpress.Xpf.TreeMap

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

NuGet Package: DevExpress.Wpf.TreeMap

Declaration

C#

public event TreeMapSelectionChangedEventHandler SelectionChanged

VB.NET

Public Event SelectionChanged As TreeMapSelectionChangedEventHandler

Event Data

The SelectionChanged event's data class is TreeMapSelectionChangedEventArgs. The following properties provide information specific to this event:

Property	Description
Selection	Returns the list of selected items.

Remarks

The following code uses the TreeMapSelectionChangedEventArgs.Selection property to get a selected item:

C#

private void sunburst_SelectionChanged(object sender, DevExpress.Xpf.TreeMap.TreeMapSelectionChangedEventArgs e) {
    MyModel selectedItem = (MyModel)e.Selection[0];
    //Add your logic here.
}

VB.NET

Private Sub sunburst_SelectionChanged(ByVal sender As Object, ByVal e As DevExpress.Xpf.TreeMap.TreeMapSelectionChangedEventArgs)
    Dim selectedItem As MyModel = CType(e.Selection(0), MyModel)
    'Add your logic here.
End Sub