def set_horizontal_policy(self, policy):
        horiz = SCROLLBAR_MAP[policy]
        vert = SCROLLBAR_MAP[self.declaration.vertical_policy]
        self.widget.SetScrollRate(horiz, vert)
Set the horizontal scrollbar policy of the widget.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/wx/wx_scroll_area.py/WxScrollArea.set_horizontal_policy