共用方式為


ContextMenu.Opened 事件

定義

內容功能表的特殊例項開啟時發生。

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

下列範例示範如何使用 ContextMenu 事件: OpenedClosed

<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

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

適用於

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