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ListBoxItem.Unselected 事件

定義

發生在 ListBoxItem 取消選取時。

public:
 event System::Windows::RoutedEventHandler ^ Unselected;
public event System.Windows.RoutedEventHandler Unselected;
member this.Unselected : System.Windows.RoutedEventHandler 
Public Custom Event Unselected 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 OnUnselected(object sender, RoutedEventArgs e)
{
    ListBoxItem lbi = e.Source as ListBoxItem;

    if (lbi != null)
    {
        label1.Content = lbi.Content.ToString() + " is unselected.";
    }
}
Private Sub OnUnselected(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 unselected."
    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 UnselectedEvent
路由策略 鼓 泡
代理人 RoutedEventHandler

適用於