SerialPort returns incorrect port names for virtual COM ports.
In my case it reports "COM5i" instead of "COM5" for Siemens MC35i terminal
Hyperterminal shows "COM5". SerialPort.Open() doesn't work with these names
- Incorrect port name error.
Who knows how to get the correct names ?

Hi,

GetPortNames returns the names that the device driver provides.  If you want
to filter that by some rules, you will have to do so yourself.
HyperTerminal uses TAPI (different methods than are used by
System.IO.Ports), so the results may not be exactly the same.

So, why do you care?  The name returned by GetPortNames may be used to open
that port, right?

Dick

Hi,

Unfortunately, no. This name causes System.IO.IOException with text "The
port 'COM5i' does not exist.".
Of course I can add filtering and fix broken COM port names, but probably
there are any better solutions?

Best regards

Hi,

Of course I can add filtering and fix broken COM port names, but probably
there are any better solutions?
<<

No, I'm fairly sure there is not.  This is the first time that I've heard of
this issue.  I have dozens of different devices (many that use virtual
serial ports), and none of these display this problem -- so it isn't common.

The best thing to do would be to contact your manufacturer and to inquire
about it there.  You also can post it as an issue on
http://msdn.microsoft.com/vstudio/support/default.aspx.

Dick

Hi,

Yes, I already discovered that. I found just one more incident, but with
bluetooth device. Without any answer, unfortunately.

Yes. I'm currently trying to get response from Siemens.
Already posted. :)

Thanks a lot. :)

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