Sets the interval in milliseconds for this timer.
        
        :param      msecs | <int>

def setInterval(self, msecs):
        """
        Sets the interval in milliseconds for this timer.
        
        :param      msecs | <int>
        """
        with QtCore.QWriteLocker(self.__lock):
            self.__interval = msecs
            self._intervalChanged.emit(msecs)