public static void BeginDragDrop(ActionDrag ad)//通知开始拖放操作
{
if (DragDropCanvas == null)
{
return;
}
currentDragObject = ad;
DragDropCanvas.PointerMoved += new PointerEventHandler(LynxDragDropData.DragDropCanvas_PointerMoved);
DragDropCanvas.PointerReleased += new PointerEventHandler(DragDropCanvas_PointerReleased);
SendBeginDragEvent(ad);
}
public static void EndDragDrop()//通知结束拖放操作
{
if (DragDropCanvas == null)
{
return;
}
DragDropCanvas.PointerMoved -= new PointerEventHandler(LynxDragDropData.DragDropCanvas_PointerMoved);
DragDropCanvas.PointerReleased -= new PointerEventHandler(DragDropCanvas_PointerReleased);
IsActive = false;
if (DragDropCanvas.Children.Contains(LynxDragDropData.currentIcon))
{
DragDropCanvas.Children.Remove(LynxDragDropData.currentIcon);
}
currentIcon = null;
currentDragObject = null;
if (currentDropObject != null)
{
currentDropObject.OnDrop();
SendEndDragEvent(currentDropObject);
}
}
