DragDrop.AddPreviewQueryContinueDragHandler(DependencyObject, QueryContinueDragEventHandler) Método
Definición
Agrega un controlador de eventos PreviewQueryContinueDrag a un objeto de dependencia especificado.Adds a PreviewQueryContinueDrag event handler to a specified dependency object.
public:
static void AddPreviewQueryContinueDragHandler(System::Windows::DependencyObject ^ element, System::Windows::QueryContinueDragEventHandler ^ handler);public static void AddPreviewQueryContinueDragHandler (System.Windows.DependencyObject element, System.Windows.QueryContinueDragEventHandler handler);static member AddPreviewQueryContinueDragHandler : System.Windows.DependencyObject * System.Windows.QueryContinueDragEventHandler -> unitPublic Shared Sub AddPreviewQueryContinueDragHandler (element As DependencyObject, handler As QueryContinueDragEventHandler)Parámetros
- element
- DependencyObject
Objeto de dependencia (UIElement o ContentElement) al que se va a agregar el controlador de eventos.The dependency object (a UIElement or ContentElement) to which to add the event handler.
- handler
- QueryContinueDragEventHandler
Delegado que hace referencia al método de controlador que se va a agregar.A delegate that references the handler method to be added.
Comentarios
El PreviewQueryContinueDrag evento tiene lugar durante una operación de arrastrar y colocar, y permite al origen de arrastre determinar si se debe cancelar la operación de arrastrar y colocar.The PreviewQueryContinueDrag event occurs during a drag-and-drop operation, and enables the drag source to determine whether the drag-and-drop operation should be canceled.
Este método agrega un controlador para la versión de tunelización del PreviewQueryContinueDrag evento.This method adds a handler for the tunneling version of the PreviewQueryContinueDrag event. Para agregar un controlador para la versión de propagación de este evento, vea AddQueryContinueDragHandler .To add a handler for the bubbling version of this event, see AddQueryContinueDragHandler.