Windows枚举出系统中所有的串口的9种方法

CreateFile("COM"1->255) as suggested by Wael Dalloul ✔ Found com0com ports, took 234ms.QueryDosDevice()

  1. CreateFile("COM" + 1->255) as suggested by Wael Dalloul
    ✔ Found com0com ports, took 234ms.

  2. QueryDosDevice()
    ✔ Found com0com ports, took 0ms.

  3. GetDefaultCommConfig("COM" + 1->255)
    ✔ Found com0com ports, took 235ms.

  4. "SetupAPI1" using calls to SETUPAPI.DLL
    ✔ Found com0com ports, also reported "friendly names", took 15ms.

  5. "SetupAPI2" using calls to SETUPAPI.DLL
    ✘ Did not find com0com ports, reported "friendly names", took 32ms.

  6. EnumPorts()
    ✘ Reported some non-COM ports, did not find com0com ports, took 15ms.

  7. Using WMI calls
    ✔ Found com0com ports, also reported "friendly names", took 47ms.

  8. COM Database using calls to MSPORTS.DLL
    ✔/✘ Reported some non-COM ports, found com0com ports, took 16ms.

  9. Iterate over registry key HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIALCOMM
    ✔ Found com0com ports, took 0ms.

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