Ejemplo n.º 1
0
        public static byte[] GetDeviceProperty(string deviceInstanceId, Native.PnpDevicePropertyAPINative.DEVPROPKEY prop)
        {
            Native.PnpDevicePropertyAPINative.SP_DEVINFO_DATA deviceInfoData = new Native.PnpDevicePropertyAPINative.SP_DEVINFO_DATA();
            deviceInfoData.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(deviceInfoData);
            var dataBuffer = new byte[4096];
            ulong propertyType = 0;
            var requiredSize = 0;

            Guid hidGuid = new Guid();
            Native.PnpDevicePropertyAPINative.HidD_GetHidGuid(ref hidGuid);
            IntPtr deviceInfoSet = Native.PnpDevicePropertyAPINative.SetupDiGetClassDevs(ref hidGuid, deviceInstanceId, 0, Native.PnpDevicePropertyAPINative.DIGCF_PRESENT | Native.PnpDevicePropertyAPINative.DIGCF_DEVICEINTERFACE);
            //IntPtr deviceInfoSet = Native.PnpDevicePropertyAPINative.SetupDiGetClassDevs(IntPtr.Zero, deviceInstanceId, 0, Native.PnpDevicePropertyAPINative.DIGCF_PRESENT | Native.PnpDevicePropertyAPINative.DIGCF_DEVICEINTERFACE | Native.PnpDevicePropertyAPINative.DIGCF_ALLCLASSES);
            /*bool tempval = */
            try
            {
                Native.PnpDevicePropertyAPINative.SetupDiEnumDeviceInfo(deviceInfoSet, 0, ref deviceInfoData);
                if (Native.PnpDevicePropertyAPINative.SetupDiGetDeviceProperty(deviceInfoSet, ref deviceInfoData, ref prop, ref propertyType, dataBuffer, dataBuffer.Length, ref requiredSize, 0))
                {
                    return dataBuffer.Take(requiredSize).ToArray();
                }
            }
            finally
            {
                if (deviceInfoSet.ToInt64() != Native.PnpDevicePropertyAPINative.INVALID_HANDLE_VALUE)
                {
                    Native.PnpDevicePropertyAPINative.SetupDiDestroyDeviceInfoList(deviceInfoSet);
                }
            }

            return null;
        }
Ejemplo n.º 2
0
        public static Dictionary<Native.PnpDevicePropertyAPINative.DEVPROPKEY, string> GetDeviceProperties(string deviceInstanceId)
        {
            //string result = string.Empty;
            Native.PnpDevicePropertyAPINative.SP_DEVINFO_DATA deviceInfoData = new Native.PnpDevicePropertyAPINative.SP_DEVINFO_DATA();
            deviceInfoData.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(deviceInfoData);
            var dataBuffer = new byte[4096];
            ulong propertyType = 0;
            var requiredSize = 0;

            //Guid hidGuid = new Guid();
            //Native.PnpDevicePropertyAPINative.HidD_GetHidGuid(ref hidGuid);
            //IntPtr deviceInfoSet = Native.PnpDevicePropertyAPINative.SetupDiGetClassDevs(ref hidGuid, deviceInstanceId, 0, Native.PnpDevicePropertyAPINative.DIGCF_PRESENT | Native.PnpDevicePropertyAPINative.DIGCF_DEVICEINTERFACE);
            //IntPtr deviceInfoSet = Native.PnpDevicePropertyAPINative.SetupDiGetClassDevs(IntPtr.Zero, deviceInstanceId, 0, Native.PnpDevicePropertyAPINative.DIGCF_PRESENT | Native.PnpDevicePropertyAPINative.DIGCF_DEVICEINTERFACE);
            IntPtr deviceInfoSet = Native.PnpDevicePropertyAPINative.SetupDiGetClassDevs(IntPtr.Zero, deviceInstanceId, 0, Native.PnpDevicePropertyAPINative.DIGCF_PRESENT | Native.PnpDevicePropertyAPINative.DIGCF_DEVICEINTERFACE | Native.PnpDevicePropertyAPINative.DIGCF_ALLCLASSES);
            //int memberIndex = 0;
            Dictionary<Native.PnpDevicePropertyAPINative.DEVPROPKEY, string> results = null;
            Native.PnpDevicePropertyAPINative.SetupDiEnumDeviceInfo(deviceInfoSet, 0, ref deviceInfoData);
            //while (Native.PnpDevicePropertyAPINative.SetupDiEnumDeviceInfo(deviceInfoSet, memberIndex, ref deviceInfoData))
            {
                //if (Native.PnpDevicePropertyAPINative.SetupDiGetDevicePropertyKeys(deviceInfoSet, ref deviceInfoData, null, 0, out var cnt) == Win32Error.ERROR_INSUFFICIENT_BUFFER)
                if (!Native.PnpDevicePropertyAPINative.SetupDiGetDevicePropertyKeys(deviceInfoSet, ref deviceInfoData, null, 0, out var cnt) && Marshal.GetLastWin32Error() == Native.PnpDevicePropertyAPINative.ERROR_INSUFFICIENT_BUFFER)
                {
                    var arr = new Native.PnpDevicePropertyAPINative.DEVPROPKEY[cnt];
                    if (Native.PnpDevicePropertyAPINative.SetupDiGetDevicePropertyKeys(deviceInfoSet, ref deviceInfoData, arr, (uint)arr.Length, out _))
                    {
                        results = new Dictionary<Native.PnpDevicePropertyAPINative.DEVPROPKEY, string>();
                        foreach (var arr_ in arr.Distinct())
                        {
                            var arrItem = arr_;
                            if (Native.PnpDevicePropertyAPINative.SetupDiGetDeviceProperty(deviceInfoSet, ref deviceInfoData, ref arrItem, ref propertyType, dataBuffer, dataBuffer.Length, ref requiredSize, 0))
                            {
                                try
                                {
                                    string result = Encoding.Unicode.GetString(dataBuffer.Take(requiredSize).TakeWhile(dr => dr != '\0').ToArray());
                                    if (result.Length > 4)
                                    {
                                        results.Add(arrItem, result);
                                    }
                                    else
                                    {
                                        results.Add(arrItem, BitConverter.ToString(dataBuffer.Take(requiredSize).ToArray()).Replace("-", string.Empty));
                                    }
                                }
                                catch
                                {
                                    results.Add(arrItem, BitConverter.ToString(dataBuffer.Take(requiredSize).ToArray()).Replace("-", string.Empty));
                                }
                            }
                            else
                            {
                                //results.Add(arrItem, "null");
                            }
                        }
                    }
                }
                //memberIndex++;
            }
            if (deviceInfoSet.ToInt64() != Native.PnpDevicePropertyAPINative.INVALID_HANDLE_VALUE)
            {
                Native.PnpDevicePropertyAPINative.SetupDiDestroyDeviceInfoList(deviceInfoSet);
            }
            return results;
        }