code: def set_copy_mode(self, use_copy: bool):
          
          for group in self.rootItem.children:
              for proto in group.children:
                  proto.copy_data = use_copy
docs: Set all protocols in copy mode. They will return a copy of their protocol.
          This is used for writable mode in CFC.
  
          :param use_copy:
          :return: