public static List <StorageDeviceInfo> GetRemovableDriveDeviceIds(DriveType driveType, DeviceType deviceType)
{
List <StorageDeviceInfo> devices = new List <StorageDeviceInfo>();
if (driveType == DriveType.Removable && deviceType == DeviceType.FILE_DEVICE_DISK)
{
var guid = Win32Constants.GUID_DEVINTERFACE_DISK;
var setupInterfaceResult = NativeMethods.SetupDiGetClassDevs(
ref guid,
null,
IntPtr.Zero,
DiGetClassFlags.DIGCF_PRESENT | DiGetClassFlags.DIGCF_DEVICEINTERFACE);
if (setupInterfaceResult == Win32Constants.INVALID_HANDLE_VALUE)
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
bool result = true;
uint i = 0;
while (result)
{
SP_DEVICE_INTERFACE_DATA dia = new SP_DEVICE_INTERFACE_DATA();
dia.cbSize = (uint)Marshal.SizeOf(dia);
result = NativeMethods.SetupDiEnumDeviceInterfaces(setupInterfaceResult, IntPtr.Zero, ref guid, i, out dia);
i++;
if (result)
{
SP_DEVINFO_DATA da = new SP_DEVINFO_DATA();
da.cbSize = (uint)Marshal.SizeOf(da);
var daPtr = Win32Utils.AllocateStructToPointer <SP_DEVINFO_DATA>(da).Item1;
SP_DEVICE_INTERFACE_DETAIL_DATA didd = new SP_DEVICE_INTERFACE_DETAIL_DATA();
if (IntPtr.Size == 8)
{
didd.cbSize = 8;
}
else
{
didd.cbSize = (uint)(4 + Marshal.SystemDefaultCharSize);
}
var diddPtr = Win32Utils.AllocateStructToPointer(didd).Item1;
if (!NativeMethods.SetupDiGetDeviceInterfaceDetail(
setupInterfaceResult,
ref dia,
diddPtr,
Win32Constants.SIZE_OUTPUT,
out uint requireSize,
daPtr))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
da = Marshal.PtrToStructure <SP_DEVINFO_DATA>(daPtr);
didd = Marshal.PtrToStructure <SP_DEVICE_INTERFACE_DETAIL_DATA>(diddPtr);
string instanceID;
var getParentResult = NativeMethods.CM_Get_Parent(out IntPtr ptrPrevious, da.devInst, 0);
if (getParentResult != Win32Constants.CR_SUCCESS)
{
instanceID = getParentResult.ToString();
}
else
{
IntPtr ptrInstanceBuf = Marshal.AllocHGlobal(Win32Constants.SIZE_OUTPUT);
var getDeviceIdResult = NativeMethods.CM_Get_Device_ID(ptrPrevious, ptrInstanceBuf, Win32Constants.SIZE_OUTPUT, 0);
if (getDeviceIdResult != Win32Constants.CR_SUCCESS)
{
instanceID = getDeviceIdResult.ToString();
}
else
{
instanceID = Marshal.PtrToStringAuto(ptrInstanceBuf);
using (SafeFileHandle handle = CreateDeviceNoRightsHandle(didd.DevicePath))
{
var deviceNumber = Win32Utils.DeviceIoControlAction <STORAGE_DEVICE_NUMBER>(handle, DeviceControlCode.STORAGE_GET_DEVICE_NUMBER);
StorageDeviceInfo info = new StorageDeviceInfo
{
StorageDeviceNumber = deviceNumber.Item1,
StorageDeviceNumberRaw = deviceNumber.Item2,
InstanceID = instanceID,
DevicePath = didd.DevicePath
};
devices.Add(info);
}
}
Marshal.FreeHGlobal(daPtr);
Marshal.FreeHGlobal(diddPtr);
Marshal.FreeHGlobal(ptrInstanceBuf);
}
}
}
if (!NativeMethods.SetupDiDestroyDeviceInfoList(setupInterfaceResult))
{
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
}
return(devices);
}