ContextMenu.Opened 活動
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
當特定右鍵選單實例開啟時會發生。
public:
event System::Windows::RoutedEventHandler ^ Opened;
public event System.Windows.RoutedEventHandler Opened;
member this.Opened : System.Windows.RoutedEventHandler
Public Custom Event Opened As RoutedEventHandler
事件類型
範例
以下範例說明如何使用 ContextMenu 事件: Opened 和 Closed。
<ContextMenu Name="cm" Opened="OnOpened" Closed="OnClosed" StaysOpen="true">
void OnOpened(object sender, RoutedEventArgs e)
{
cmButton.Content = "The ContextMenu Opened";
}
void OnClosed(object sender, RoutedEventArgs e)
{
cmButton.Content = "The ContextMenu Closed";
}
Private Sub OnOpened(ByVal sender As Object, ByVal args As RoutedEventArgs)
cmButton.Content = "The ContextMenu Opened"
End Sub
Private Sub OnClosed(ByVal sender As Object, ByVal args As RoutedEventArgs)
cmButton.Content = "The ContextMenu Closed"
End Sub
備註
路由事件資訊
| Item | 價值觀 |
|---|---|
| 識別碼欄位 | OpenedEvent |
| 路由策略 | 氣泡 |
| 代理人 | RoutedEventHandler |