C# 获取Windows 设备信息

 1 namespace Beisen.Native
 2 {
 3     using Beisen.Pdf;
 4     using System;
 5     using System.Runtime.InteropServices;
 6 
 7     internal sealed class DeviceInfo
 8     {
 9         private static DeviceInfo _Instance;
10 
11         public static DeviceInfo Instance
12         {
13             get
14             {
15                 if (_Instance == null)
16                 {
17                     _Instance = new DeviceInfo();
18                 }
19                 return _Instance;
20             }
21         }
22 
23         public string Id
24         {
25             get
26             {
27                 uint volumeSerialNumber = 0;
28                 uint num = 0u;
29                 uint num2 = 0;
30                 uint num3 = 0;
31                 uint num4 = 0;
32                 uint num5 = 0;
33                 string systemDirectory = Environment.SystemDirectory;
34                 if ((systemDirectory != null) && (systemDirectory.Length > 0))
35                 {
36                     uint num6;
37                     FileSystemFeature fileSystemFeature;
38                     Platform.GetVolumeInformation(string.Format("{0}:\", systemDirectory[0]), null, 0, out num, out num6, out fileSystemFeature, null, 0);
39                 }
40                 string g = RegistryWOW6432.GetRegKey32<string>(RegHive.HKEY_LOCAL_MACHINE, @"SOFTWAREMicrosoftCryptography", "MachineGuid");
41                 if ((g == null) || (g.Trim() == ""))
42                 {
43                     g = RegistryWOW6432.GetRegKey64<string>(RegHive.HKEY_LOCAL_MACHINE, @"SOFTWAREMicrosoftCryptography", "MachineGuid");
44                 }
45                 if (g != null)
46                 {
47                     byte[] buffer = new Guid(g).ToByteArray();
48                     if (buffer != null)
49                     {
50                         num2 = BitConverter.ToUInt32(buffer, 0);
51                         num3 = BitConverter.ToUInt32(buffer, 4);
52                         num4 = BitConverter.ToUInt32(buffer, 8);
53                         num5 = BitConverter.ToUInt32(buffer, 12);
54                     }
55                 }
56                 return $"{volumeSerialNumber}-{num2}-{num3}-{num4}-{num5}";
57             }
58         }
59     }
60 }