class_docstr: Instances of this class are delivered to items in a :class:`GraphicsScene <pyqtgraph.GraphicsScene>` via their mouseDragEvent() method when the item is being mouse-dragged. 
docstr: Return the previous position of the mouse in the coordinate system of the item
  that the event was delivered to.
docstr_tok: ["Return","the","previous","position","of","the","mouse","in","the","coordinate","system","of","the","item","that","the","event","was","delivered","to","."]
code: def lastPos(self):
      """
      Return the previous position of the mouse in the coordinate system of the item
      that the event was delivered to.
      """
      return Point(self.currentItem.mapFromScene(self._lastScenePos))
  
imports: import weakref
  from time import perf_counter
  from ..Point import Point
  from ..Qt import QtCore
label_desc: Use image node_id 14 for calling the MouseDragEvent obj's underlying member method code with example usage: obj.lastPos() and returns: Point