There are several ways to list serial ports under Windows but I'm not sure what is the proper way: the way that does detect all serial ports that are available.

One good code example is http://www.naughter.com/enumser.html - where there are 9 (nine!) ways of enumerating serial devices.

The question is: what is the optimal way of doing it.

Requirements:

  • to not open ports in order to check if they are available.
  • to be able to detect ports with different names than COMx.
  • to work on Windows XP SP2 or above
c++ c windows serial-port
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