Selector.SelectionChanged Event

public:
 event System::Windows::Controls::SelectionChangedEventHandler ^ SelectionChanged;

public event System.Windows.Controls.SelectionChangedEventHandler SelectionChanged;

member this.SelectionChanged : System.Windows.Controls.SelectionChangedEventHandler 

Public Custom Event SelectionChanged As SelectionChangedEventHandler 

Event Type

Examples

The following example shows how to attach the SelectionChanged event to a list box control.

<TextBox Name="tb" Width="140" Height="30"></TextBox>
<ListBox Name="lb" Width="100" Height="55" SelectionChanged="PrintText" SelectionMode="Single">
 <ListBoxItem>Item 1</ListBoxItem>
 <ListBoxItem>Item 2</ListBoxItem>
 <ListBoxItem>Item 3</ListBoxItem>
 <ListBoxItem>Item 4</ListBoxItem>
 <ListBoxItem>Item 5</ListBoxItem>
 <ListBoxItem>Item 6</ListBoxItem>
 <ListBoxItem>Item 7</ListBoxItem>
 <ListBoxItem>Item 8</ListBoxItem>
 <ListBoxItem>Item 9</ListBoxItem>
 <ListBoxItem>Item 10</ListBoxItem>
</ListBox>

The following example shows how to handle the SelectionChanged event.

void PrintText(object sender, SelectionChangedEventArgs args)
{
 ListBoxItem lbi = ((sender as ListBox).SelectedItem as ListBoxItem);
 tb.Text = " You selected " + lbi.Content.ToString() + ".";
}

Private Sub PrintText(ByVal sender As Object, ByVal e As SelectionChangedEventArgs)

 Dim lbsender As ListBox
 Dim li As ListBoxItem

 lbsender = CType(sender, ListBox)
 li = CType(lbsender.SelectedItem, ListBoxItem)
 tb.Text = " You selected " & li.Content.ToString & "."
End Sub

Remarks

This event occurs whenever there is a change to a selection. A selection can be changed not only by user interaction but also by binding as well as other set values.

Routed Event Information