def on_parallel_port_change(self, parallel_port):
        """Triggered when settings of a parallel port of the
        associated virtual machine have changed.

        in parallel_port of type :class:`IParallelPort`

        raises :class:`VBoxErrorInvalidVmState`
            Session state prevents operation.
        
        raises :class:`VBoxErrorInvalidObjectState`
            Session type prevents operation.
        
        """
        if not isinstance(parallel_port, IParallelPort):
            raise TypeError("parallel_port can only be an instance of type IParallelPort")
        self._call("onParallelPortChange",
                     in_p=[parallel_port])
def on_parallel_port_change ( self , parallel_port ) : if not isinstance ( parallel_port , IParallelPort ) : raise TypeError ( "parallel_port can only be an instance of type IParallelPort" ) self . _call ( "onParallelPortChange" , in_p = [ parallel_port ] )
Triggered when settings of a parallel port of the
        associated virtual machine have changed.

        in parallel_port of type :class:`IParallelPort`

        raises :class:`VBoxErrorInvalidVmState`
            Session state prevents operation.
        
        raises :class:`VBoxErrorInvalidObjectState`
            Session type prevents operation.