Sets whether or not this combo box should automatically
        raise up.
        
        :param      state | <bool>

def setAutoRaise(self, state):
        """
        Sets whether or not this combo box should automatically
        raise up.
        
        :param      state | <bool>
        """
        self._autoRaise = state
        self.setMouseTracking(state)
        try:
            self.lineEdit().setVisible(not state)
        except AttributeError:
            pass