Re: SerialPort.Open [Polling]?

[Claus Dietrich <claus.dietrich@xxxxxxxxxx>]

Am 04.06.24 um 12:22 schrieb Benoît Minisini:
> Le 04/06/2024 à 03:49, T Lee Davidson a écrit :
> > https://gambaswiki.org/wiki/comp/gb.net/serialport/open describes the 
> > SerialPort.Open method. But, it does not explain what the optional 
> > Polling parameter is/does.
> >
> > Looking at the source code, it appears to be the interval, in 
> > milliseconds with a default of 50ms, between polls of the serial 
> > port, I assume, to see if there is data available to be read. Is this 
> > correct?
>
> According to the source code, polling is only used if you handle one 
> of the 'XXXChange' event. Detecting data availability is always done, 
> and not by polling.
>
> Beware it does not work if you change the event observer of the 
> SerialPort object after having created it.
>
> Regards,
Hi Benoit

Your reply doesn't explain the purpose of the optional polling parameter 
and since the detection of data is always done, what are the 
detection-criteria (i.e. byte by byte)?

Best regards

Claus