TreeView.SelectedItemChanged Event
Definition
Important
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Occurs when the SelectedItem changes.
public:
event System::Windows::RoutedPropertyChangedEventHandler<System::Object ^> ^ SelectedItemChanged;
public event System.Windows.RoutedPropertyChangedEventHandler<object> SelectedItemChanged;
member this.SelectedItemChanged : System.Windows.RoutedPropertyChangedEventHandler<obj>
Public Custom Event SelectedItemChanged As RoutedPropertyChangedEventHandler(Of Object)
Event Type
Examples
The following example shows how to specify an event handler for the SelectedItemChanged event.
<TreeView SelectedItemChanged="SelectionChanged">
<TreeViewItem Header="Employee1" IsSelected="True">
<TreeViewItem Header="Jesper"/>
<TreeViewItem Header="Aaberg"/>
<TreeViewItem Header="12345"/>
</TreeViewItem>
<TreeViewItem Header="Employee2">
<TreeViewItem Header="Dominik"/>
<TreeViewItem Header="Paiha"/>
<TreeViewItem Header="98765"/>
</TreeViewItem>
</TreeView>
The following example shows how to define the event handler.
private void SelectionChanged(object sender, RoutedPropertyChangedEventArgs<Object> e)
{
//Perform actions when SelectedItem changes
MessageBox.Show(((TreeViewItem) e.NewValue).Header.ToString());
}
Private Sub SelectionChanged(ByVal sender As Object, ByVal e As RoutedPropertyChangedEventArgs(Of Object))
'Perform actions when SelectedItem changes
MessageBox.Show((CType(e.NewValue, TreeViewItem)).Header.ToString())
End Sub
Remarks
Routed Event Information
Identifier Field | SelectedItemChangedEvent |
Routing Strategy | Bubbling |
Delegate | RoutedPropertyChangedEventHandler<T> |
XAML Attribute Usage
<object SelectedItemChanged="RoutedPropertyChangedEventHandler"/>
Applies to
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