/**
  * Moves a <tt>WhiteboardShape</tt> from from one point to another on the board.
  *
  * @param wbSession the white-board session, to which the moved object belongs
  * @param ws the shape to move
  */
 public void moveWhiteboardObject(WhiteboardSession wbSession, WhiteboardShape ws) {
   try {
     wbSession.moveWhiteboardObject(ws);
   } catch (OperationFailedException ex) {
     ex.printStackTrace();
   }
 }