def __set_title(self, value):
        """
        Sets title of this axis.
        """
        # OpenOffice on Debian "squeeze" ignore value of target.XAxis.String
        # unless target.HasXAxisTitle is set to True first. (Despite the
        # fact that target.HasXAxisTitle is reported to be False until
        # target.XAxis.String is set to non empty value.)
        self._target.setPropertyValue(self._has_axis_title_property, True)
        target = self._get_title_target()
        target.setPropertyValue('String', text_type(value))
Sets title of this axis.