UIElement.QueryContinueDrag UIElement.QueryContinueDrag UIElement.QueryContinueDrag UIElement.QueryContinueDrag Event

定義

拖放操作期間,鍵盤或滑鼠按鈕狀態變更時發生。Occurs when there is a change in the keyboard or mouse button state during a drag-and-drop operation.

public:
 event System::Windows::QueryContinueDragEventHandler ^ QueryContinueDrag;
public event System.Windows.QueryContinueDragEventHandler QueryContinueDrag;
member this.QueryContinueDrag : System.Windows.QueryContinueDragEventHandler 
Public Custom Event QueryContinueDrag As QueryContinueDragEventHandler 

備註

QueryContinueDrag事件可讓拖曳來源能夠決定是否應取消拖放作業。The QueryContinueDrag event enables the drag source to determine whether the drag-and-drop operation should be canceled.

此事件建立的別名DragDrop.QueryContinueDrag附加事件,此類別中,以便QueryContinueDrag屬於類別的成員清單時UIElement繼承為基底的項目。This event creates an alias for the DragDrop.QueryContinueDrag attached event for this class, so that QueryContinueDrag is part of the class members list when UIElement is inherited as a base element. 附加至事件處理常式QueryContinueDrag事件會附加至基礎DragDrop.QueryContinueDrag附加事件,並接收相同的事件資料執行個體。Event handlers that are attached to the QueryContinueDrag event are attached to the underlying DragDrop.QueryContinueDrag attached event and receive the same event data instance.

路由事件資訊Routed Event Information

識別項欄位Identifier field QueryContinueDragEvent
路由策略Routing strategy 事件反昇Bubbling
Delegate - 委派Delegate QueryContinueDragEventHandler

適用於