Expander.Collapsed 事件

定義

命名空間:

System.Windows.Controls

組件:

PresentationFramework.dll

當控制項的內容視窗 Expander 關閉，且只顯示 時 Header ，會發生這種情況。

public:
 event System::Windows::RoutedEventHandler ^ Collapsed;

public event System.Windows.RoutedEventHandler Collapsed;

member this.Collapsed : System.Windows.RoutedEventHandler 

Public Custom Event Collapsed As RoutedEventHandler 

事件類型

RoutedEventHandler

範例

以下範例說明如何指定事件處理程序。Collapsed

myExpander.Collapsed += new RoutedEventHandler(expanderHasCollapsed);

AddHandler myExpander.Collapsed, AddressOf expanderHasCollapsed

<Expander Name ="myExpander" Collapsed="expanderHasCollapsed" 
          Header ="expanderTitle" Content="expanderContent"/>

以下範例說明如何定義事件處理程序。

private void expanderHasCollapsed(object sender, RoutedEventArgs args)
{
    //Do something when the Expander control collapses
}

Private Sub expanderHasCollapsed(ByVal sender As Object, ByVal args As RoutedEventArgs)
    'Do something when the Expander control collapses
End Sub

備註

當屬性IsExpanded從 true 變為 false時，Collapsed事件發生。

路由事件資訊

項目	價值
識別碼欄位	CollapsedEvent
路由策略	氣泡
代理人	RoutedEventHandler

另請參閱

• Expanded