def set_horizontal_policy(self, policy):
        horiz = SCROLLBAR_MAP[policy]
        vert = SCROLLBAR_MAP[self.declaration.vertical_policy]
        self.widget.SetScrollRate(horiz, vert)
Converts the value of this instance to its string representation.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/wx/wx_scroll_area.py/WxScrollArea.set_horizontal_policy--crossover with--dataset/ETHPy150Open hvandenb/splunk-elasticsearch/search-elasticsearch/bin/splunklib/searchcommands/search_command.py/SearchCommand.ConfigurationSettings.__str__