public static string GetPnPDeviceId(NetworkInterface ni)
{
Guid classGuid = GUID_DEVINTERFACE_NET;
IntPtr hwndParent = IntPtr.Zero;
Int32 flags = Win32DeviceMgmt.DIGCF_DEVICEINTERFACE | Win32DeviceMgmt.DIGCF_PRESENT;
IntPtr pDevInfoSet = IntPtr.Zero;
IntPtr pNewDevInfoSet = IntPtr.Zero;
try
{
pNewDevInfoSet = Win32DeviceMgmt.SetupDiGetClassDevs(ref classGuid, IntPtr.Zero, hwndParent, flags); //, pDevInfoSet, strMachineName, IntPtr.Zero);
if (pNewDevInfoSet == IntPtr.Zero)
{
Logger.Log("Failed to get device information list");
return("");
}
Int32 iRet;
Int32 iMemberIndex = 0;
do
{
Win32DeviceMgmt.SP_DEVINFO_DATA devInfoData = new Win32DeviceMgmt.SP_DEVINFO_DATA();
devInfoData.ClassGuid = Guid.Empty;
devInfoData.DevInst = 0;
devInfoData.Reserved = UIntPtr.Zero;
devInfoData.cbSize = Marshal.SizeOf(devInfoData);
iRet = Win32DeviceMgmt.SetupDiEnumDeviceInfo(pNewDevInfoSet, iMemberIndex, ref devInfoData);
if (iRet == 0)
{
Int32 iLastError = Win32DeviceMgmt.GetLastError();
if (iLastError == Win32DeviceMgmt.ERROR_NO_MORE_FILES)
{
//Console.WriteLine("No more devices in list");
break;
}
else
{
iMemberIndex++;
continue;
}
}
string desc = GetDevicePropertyString(pNewDevInfoSet, devInfoData, SetupDiGetDeviceRegistryPropertyEnum.SPDRP_DEVICEDESC);
if (ni.Description.Equals(desc))
{
return(GetDeviceInstanceId(pNewDevInfoSet, devInfoData));
}
string friendly = GetDevicePropertyString(pNewDevInfoSet, devInfoData, SetupDiGetDeviceRegistryPropertyEnum.SPDRP_FRIENDLYNAME);
if (ni.Description.Equals(friendly))
{
return(GetDeviceInstanceId(pNewDevInfoSet, devInfoData));
}
iMemberIndex++;
} while (true);
return("");
}
finally
{
Win32DeviceMgmt.SetupDiDestroyDeviceInfoList(pNewDevInfoSet);
}
}
static String GetDeviceInstanceId(IntPtr DeviceInfoSet, Win32DeviceMgmt.SP_DEVINFO_DATA DeviceInfoData)
{
StringBuilder strId = new StringBuilder(0);
Int32 iRequiredSize = 0;
Int32 iSize = 0;
Int32 iRet = Win32DeviceMgmt.SetupDiGetDeviceInstanceId(DeviceInfoSet, ref DeviceInfoData, strId, iSize, ref iRequiredSize);
strId = new StringBuilder(iRequiredSize);
iSize = iRequiredSize;
iRet = Win32DeviceMgmt.SetupDiGetDeviceInstanceId(DeviceInfoSet, ref DeviceInfoData, strId, iSize, ref iRequiredSize);
if (iRet == 1)
{
return(strId.ToString());
}
return(String.Empty);
}
static byte[] GetDeviceProperty(IntPtr DeviceInfoSet, Win32DeviceMgmt.SP_DEVINFO_DATA DeviceInfoData, SetupDiGetDeviceRegistryPropertyEnum property)
{
StringBuilder strId = new StringBuilder(0);
byte[] ptrBuf = null;
UInt32 RegType;
UInt32 iRequiredSize = 0;
UInt32 iSize = 0;
bool iRet = Win32DeviceMgmt.SetupDiGetDeviceRegistryProperty(DeviceInfoSet, ref DeviceInfoData,
(uint)property, out RegType, ptrBuf, iSize, out iRequiredSize);
ptrBuf = new byte[iRequiredSize];
iSize = iRequiredSize;
iRet = Win32DeviceMgmt.SetupDiGetDeviceRegistryProperty(DeviceInfoSet, ref DeviceInfoData,
(uint)property, out RegType, ptrBuf, iSize, out iRequiredSize);
if (iRet)
{
return(ptrBuf);
}
return(new byte[0]);
}
static Guid GetDevicePropertyGuid(IntPtr DeviceInfoSet, Win32DeviceMgmt.SP_DEVINFO_DATA DeviceInfoData, SetupDiGetDeviceRegistryPropertyEnum property)
{
byte[] ptrBuf = GetDeviceProperty(DeviceInfoSet, DeviceInfoData, property);
return(new Guid(ptrBuf));
}
static String GetDevicePropertyString(IntPtr DeviceInfoSet, Win32DeviceMgmt.SP_DEVINFO_DATA DeviceInfoData, SetupDiGetDeviceRegistryPropertyEnum property)
{
byte[] ptrBuf = GetDeviceProperty(DeviceInfoSet, DeviceInfoData, property);
return(ptrBuf.ToStrAuto());
}
