DragDrop.PreviewDragOver DragDrop.PreviewDragOver DragDrop.PreviewDragOver Attached Event

定义

在将对象拖入作为放置目标的元素边界时持续发生。Occurs continuously while an object is dragged within the bounds of an element that is acting as a drop target.

see AddPreviewDragOverHandler, and RemovePreviewDragOverHandler
see AddPreviewDragOverHandler, and RemovePreviewDragOverHandler
see AddPreviewDragOverHandler, and RemovePreviewDragOverHandler

注解

当拖动的对象在充当拖放目标的元素边界内时, 将连续引发此事件。This event is raised continuously while a dragged object is within the bounds of an element that is acting as a drop target. 如果元素的AllowDrop属性为, false则不引发此事件。This event is not raised if the element's AllowDrop property is false.

有关详细信息,请参阅 DragOver 事件。For more information, see the DragOver event.

路由事件信息Routed Event Information

标识符字段Identifier field PreviewDragOverEvent
路由策略Routing strategy 建立Tunneling
委托Delegate DragEventHandler

对应的冒泡事件为DragOverThe corresponding bubbling event is DragOver.

适用于

另请参阅