DragDrop.PreviewDragLeave 附加事件
定義
從置放目標項目的界限拖曳出物件但不置放時發生。Occurs when an object is dragged out of the bounds of an element that is acting as a drop target without being dropped.
see AddPreviewDragLeaveHandler, and RemovePreviewDragLeaveHandlersee AddPreviewDragLeaveHandler, and RemovePreviewDragLeaveHandlersee AddPreviewDragLeaveHandler, and RemovePreviewDragLeaveHandler備註
每次將物件拖曳至做為卸載目標的專案範圍外，而不被卸載時，就會引發這個事件一次。This event is raised once each time an object is dragged out of the bounds of an element that is acting as a drop target without being dropped. 如果元素的屬性為，則不會引發這個事件 AllowDrop false 。This event is not raised if the element's AllowDrop property is false.
如需詳細資訊，請參閱 DragLeave 事件。For more information, see the DragLeave event.
路由事件資訊Routed Event Information
| 識別碼欄位Identifier field | PreviewDragLeaveEvent |
| 路由策略Routing strategy | 隧道Tunneling |
| 代理人Delegate | DragEventHandler |
對應的反升事件為 DragLeave 。The corresponding bubbling event is DragLeave.