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ListBoxItem.Selected 事件

定義

發生在選取 ListBoxItem 時。

public:
 event System::Windows::RoutedEventHandler ^ Selected;
public event System.Windows.RoutedEventHandler Selected;
member this.Selected : System.Windows.RoutedEventHandler 
Public Custom Event Selected As RoutedEventHandler 

事件類型

範例

下列範例示範如何訂閱及處理此事件。

<ListBoxItem Name="lbi0" Selected="OnSelected" Unselected="OnUnselected">Item 0</ListBoxItem>
private void OnSelected(object sender, RoutedEventArgs e)
{
    ListBoxItem lbi = e.Source as ListBoxItem;

    if (lbi != null)
    {
        label1.Content = lbi.Content.ToString() + " is selected.";
    }
}
Private Sub OnSelected(ByVal sender As Object, ByVal e As RoutedEventArgs)
    Dim lbi As ListBoxItem = TryCast(e.Source, ListBoxItem)

    If lbi IsNot Nothing Then
        label1.Content = lbi.Content.ToString() & " is selected."
    End If
End Sub

備註

若要知道選取 ListBox 專案何時變更,請接 SelectionChanged 聽 事件。

路由事件資訊

識別碼欄位 SelectedEvent
路由策略 鼓 泡
代理人 RoutedEventHandler

適用於