Defines the slot triggered on Framework startup.

def on_startup(self):
        """
        Defines the slot triggered on Framework startup.
        """

        LOGGER.debug("> Calling '{0}' Component Framework 'on_startup' method.".format(self.__class__.__name__))

        if self.Autostart_TCP_Server_checkBox.isChecked():
            if not self.__tcp_server.online:
                self.__tcp_server.port = self.Port_spinBox.value()
                self.__tcp_server.start()
        return True