Enumerating Windows Portable Devices in C#

Question

I am attempting to enumerate connected portable devices on Windows using the Windows Portable Devices API and the PortableDeviceManager provided by this API.

I have

Answer 1

Just an update on the accepted answer.

The correct replacement is as follows.

GetDevices([in][out] string& marshal( lpwstr) pPnPDeviceIDs,

to

GetDevices([in][out] string[] marshal( lpwstr[]) pPnPDeviceIDs,

As per Andrew Trevarrow.