ContextMenu.Opened 事件

定義

命名空間:

System.Windows.Controls

組件:

PresentationFramework.dll

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

RoutedEventHandler

範例

下列範例示範如何使用 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

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

另請參閱

• ContextMenuService