RibbonSeparator.OnVisualParentChanged(DependencyObject) 方法
定义
当此元素父级在可视化树中发生更改时进行了调用。Invoked when the parent of this element in the visual tree is changed.
protected public:
override void OnVisualParentChanged(System::Windows::DependencyObject ^ oldParent);
protected internal override void OnVisualParentChanged (System.Windows.DependencyObject oldParent);
override this.OnVisualParentChanged : System.Windows.DependencyObject -> unit
Protected Friend Overrides Sub OnVisualParentChanged (oldParent As DependencyObject)
参数
- oldParent
- DependencyObject
旧父级,在可视树中之前没有父级时,则为 null。Old parent or null if the element in the visual tree did not have a parent before.