How to check if a MIDI device is also a USB device?

StackOverflow https://stackoverflow.com/questions/10434095

  •  05-06-2021
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문제

How can you check if an MIDI device is also an USB device?

Seems that checking for this string "\\?\\usb" in the device identifier is not enough all the time.

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해결책

Use CM_Get_Parent (recursively) to find out whether the MIDI device is connected beneath a USB root port.

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