def setEntryLowerCase(self, name):
        var = self.widgetManager.get(WIDGET_NAMES.Entry, name, group=WidgetManager.VARS)
        if var.lc_id is not None:
            var.trace_vdelete('w', var.lc_id)
        var.lc_id = var.trace('w', self.MAKE_FUNC(self._lowerEntry, name))