How to: Get the Device Platform(转)

http://msdn.microsoft.com/en-us/library/ms229660.aspx

 1 public class PlatformDetector
 2 {
 3     [DllImport("coredll.dll")]
 4     private static extern bool SystemParametersInfo(uint uiAction, uint uiParam, StringBuilder pvParam, uint fWinIni);
 5 
 6     private static uint SPI_GETPLATFORMTYPE = 257;
 7 
 8     public static Platform GetPlatform()
 9     {
10         Platform plat = Platform.Unknown;
11         switch (System.Environment.OSVersion.Platform)
12         {
13             case PlatformID.Win32NT:
14                 plat = Platform.Win32NT;
15                 break;
16             case PlatformID.Win32S:
17                 plat = Platform.Win32S;
18                 break;
19             case PlatformID.Win32Windows:
20                 plat = Platform.Win32Windows;
21                 break;
22             case PlatformID.WinCE:
23                 plat = CheckWinCEPlatform();
24                 break;
25         }
26 
27         return plat;
28     }
29 
30     static Platform CheckWinCEPlatform()
31     {
32         Platform plat = Platform.WindowsCE;
33         StringBuilder strbuild = new StringBuilder(200);
34         SystemParametersInfo(SPI_GETPLATFORMTYPE, 200, strbuild, 0);
35         string str = strbuild.ToString();
36         switch (str)
37         {
38             case "PocketPC":
39                 plat = Platform.PocketPC;
40                 break;
41             case "SmartPhone":
42                 // Note that the strbuild parameter from the
43                 // PInvoke returns "SmartPhone" with an
44                 // upper case P. The correct casing is
45                 // "Smartphone" with a lower case p.
46                 plat = Platform.Smartphone;
47                 break;
48         }
49         return plat;
50     }
51 }
52 
53 public enum Platform
54 {
55     PocketPC, WindowsCE, Smartphone, Win32NT, Win32S, Win32Windows, Unknown

56 } 

[DllImport("coredll.dll", SetLastError = true)]
private static extern bool KernelIoControl(Int32 dwIoControlCode,
    IntPtr lpInBuf, Int32 nInBufSize, byte[] lpOutBuf,
    Int32 nOutBufSize, ref Int32 lpBytesReturned);

private void DeviceType_Load(object sender, System.EventArgs e)
{
    try
    {

        MessageBox.Show("Platform is " + PlatformDetector.GetPlatform());
    }

    catch (Exception ex)
    {
        MessageBox.Show(ex.Message.ToString());
    }

}