PhysicalDriveX til drev bogstav

Kodede selv løsningen:

using System;
using System.Management;

class ex {
    public static void Main(string[] args) {
        ObjectQuery q1, q2, q3;
        ManagementObjectSearcher s1, s2, s3;
        string devId, s;

        q1=new ObjectQuery("SELECT DeviceID FROM Win32_DiskDrive WHERE MediaType LIKE 'Removable media%'");
        s1=new ManagementObjectSearcher(q1);
        try {
        foreach (ManagementObject o1 in s1.Get()) {
            devId=o1["DeviceID"].ToString();

            s=devId.Replace("\\", "\\\\");

            q2=new ObjectQuery("ASSOCIATORS OF {Win32_DiskDrive.DeviceID=\""+s+"\"} WHERE AssocClass=Win32_DiskDriveToDiskPartition");
            s2=new ManagementObjectSearcher(q2);
            foreach (ManagementObject o2 in s2.Get()) {
                q3=new ObjectQuery("ASSOCIATORS OF {Win32_DiskPartition.DeviceID=\""+o2["DeviceID"]+"\"} WHERE AssocClass=Win32_LogicalDiskToPartition");
                s3=new ManagementObjectSearcher(q3);
                foreach (ManagementObject o3 in s3.Get()) {
                    Console.WriteLine("{0} = {1}", devId, o3["DeviceID"].ToString());
                }
            }
        }
        } catch {}
    }
}