'Deprecated: given a name or label and optional disambiguating index
nr, set the matching item\'s selection to the bool value of selected.
Selecting items follows the behavior described in the docstring of the
\'get\' method.
if the item is disabled, or this control is disabled or readonly,
raise AttributeError.'

def set(self, selected, name, by_label=False, nr=None):

    deprecation('control.get(...).selected    =    <boolean>')
    self._set_selected_state(self._get(name, by_label, nr), selected)
