Exemple #1
0
            string GetString(SPDRP property)
            {
                var resultString = new StringBuilder(KERNEL32.DefaultStructBufferSize);
                var devInfo      = deviceInfo;
                var result       = SETUPAPI.SetupDiGetDeviceRegistryProperty(Handle, ref devInfo, property, out var valueKind, resultString, (uint)resultString.Capacity, out _);

                if (!result)
                {
                    var error = Marshal.GetLastWin32Error();
                    if (error == 13)
                    {
                        return(null);
                    }
                    if (error != 0)
                    {
                        throw new Win32ErrorException(error);
                    }
                }
                switch (valueKind)
                {
                case RegistryValueKind.Binary: throw new InvalidCastException(string.Format("Please use GetData() for BINARY values!"));

                case RegistryValueKind.DWord: throw new InvalidCastException(string.Format("Please use GetUInt32() for DWORD values!"));

                case RegistryValueKind.QWord: throw new InvalidCastException(string.Format("Please use GetUInt64() for QWORD values!"));

                case RegistryValueKind.MultiString: break;

                case RegistryValueKind.String: break;

                default: throw new NotImplementedException(string.Format("Not implemented registry value kind {0}!", valueKind));
                }
                return(resultString.ToString());
            }
Exemple #2
0
 /// <summary>
 /// Releases the handle
 /// </summary>
 /// <returns></returns>
 protected override bool ReleaseHandle()
 {
     if (IsInvalid)
     {
         return(true);
     }
     SETUPAPI.SetupDiDestroyDeviceInfoList(DangerousGetHandle());
     SetHandle(IntPtr.Zero);
     return(true);
 }
Exemple #3
0
        /// <summary>
        /// Obtains a list of all present (active and inactive) devices
        /// </summary>
        /// <returns>Returns an array of <see cref="DEVICE"/>s</returns>
        public static DEVICE[] GetAllPresentDevices()
        {
            var devices = new List <DEVICE>();
            var guid    = new Guid();
            var handle  = SETUPAPI.SetupDiGetClassDevs(ref guid, null, IntPtr.Zero, DIGCF.ALLCLASSES | DIGCF.PRESENT);

            if (handle.IsInvalid)
            {
                throw new Win32ErrorException();
            }
            var info = new SP_DEVINFO_DATA();

            info.cbSize = (uint)Marshal.SizeOf(info);
            for (uint i = 0; SETUPAPI.SetupDiEnumDeviceInfo(handle, i, ref info); i++)
            {
                var device = new DEVICE(handle, info);
                devices.Add(device);
            }
            return(devices.ToArray());
        }