code: def drag_is_pending(self, screen_id):
          
          if not isinstance(screen_id, baseinteger):
              raise TypeError("screen_id can only be an instance of type baseinteger")
          (default_action, formats, allowed_actions) = self._call("dragIsPending",
                       in_p=[screen_id])
          default_action = DnDAction(default_action)
          allowed_actions = [DnDAction(a) for a in allowed_actions]
          return (default_action, formats, allowed_actions)
docs: Ask the source if there is any drag and drop operation pending.
          If no drag and drop operation is pending currently, DnDAction_Ignore is returned.
  
          in screen_id of type int
              The screen ID where the drag and drop event occurred.
  
          out formats of type str
              On return the supported mime types.
  
          out allowed_actions of type :class:`DnDAction`
              On return the actions which are allowed.
  
          return default_action of type :class:`DnDAction`
              On return the default action to use.
  
          raises :class:`VBoxErrorVmError`
              VMM device is not available.