code: def vxi_command_query(library, session, mode, command):
      
      response = ViUInt32()
      ret = library.viVxiCommandQuery(session, mode, command, byref(response))
      return response.value, ret
docs: Sends the device a miscellaneous command or query and/or retrieves the response to a previous query.
  
      Corresponds to viVxiCommandQuery function of the VISA library.
  
      :param library: the visa library wrapped by ctypes.
      :param session: Unique logical identifier to a session.
      :param mode: Specifies whether to issue a command and/or retrieve a response. (Constants.VXI_CMD*, .VXI_RESP*)
      :param command: The miscellaneous command to send.
      :return: The response retrieved from the device, return value of the library call.
      :rtype: int, :class:`pyvisa.constants.StatusCode`