TreeViewItem.OnExpanded(RoutedEventArgs) 方法

定义

命名空间:

System.Windows.Controls

程序集:

PresentationFramework.dll

当 Expanded 属性从 false 更改为 true 时，引发 IsExpanded 事件。

protected:
 virtual void OnExpanded(System::Windows::RoutedEventArgs ^ e);

protected virtual void OnExpanded (System.Windows.RoutedEventArgs e);

abstract member OnExpanded : System.Windows.RoutedEventArgs -> unit
override this.OnExpanded : System.Windows.RoutedEventArgs -> unit

Protected Overridable Sub OnExpanded (e As RoutedEventArgs)

参数

e

RoutedEventArgs

事件自变量。