How to get USB Device Path From VID and PID

[lightning.net]

Hi

I am trying to write a user mode application, which communicate with an installed usb device. I could use CreateFile to send data to it. But i don't know how to get the device path. Its type is "Vendor Specific", so not a HID.

Someone can help please?

[PeterBritton]

Hello

The SetupDI**** API calls can be used to acquire information about devices. The devicepath can be found using " SetupDiGetDeviceInterfaceDetail "

http://msdn.microsoft.com/en-us/library/ms792901.aspx

Hope this helps

Peter

[ulymar]

Just to update this for other reference.

You can use this idea and techniques.

http://ulymar.u4m2.com/wp-content/up...09/09/main.PNG

http://ulymar.u4m2.com/?p=64


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