WINCE 获取智能设备唯一编号

using System;

using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

using System.Runtime.InteropServices;//提供了一个方法集，这些方法用于分配非托管内存、复制非托管内存块、将托管类型转换为非托管类型，此外还提供了在与非托管代码交互时使用的其他杂项方法
namespace LogisticsManage
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

[DllImport("coredll.dll")]
private extern static int GetDeviceUniqueID([In, Out] byte[] appdata,
int cbApplictionData,
int dwDeviceIDVersion,
[In, Out] byte[] deviceIDOuput,
out uint pcbDeviceIDOutput);

private void button1_Click(object sender, EventArgs e)
{
byte[] buffer = GetDeviceID("MyAppString");
StringBuilder sb = new StringBuilder();
for (int x = 0; x < buffer.Length; x++)
{
//sb.Append('{');
sb.Append(string.Format("{0:x2}", buffer[x]));
//sb.Append("} ");
}
textBox1.Text = sb.ToString();
}

private byte[] GetDeviceID(string AppString)
{
// Call the GetDeviceUniqueID
byte[] AppData = new byte[AppString.Length];
for (int count = 0; count < AppString.Length; count++)
AppData[count] = (byte)AppString[count];
int appDataSize = AppData.Length;
byte[] DeviceOutput = new byte[20];
uint SizeOut = 20;
GetDeviceUniqueID(AppData, appDataSize, 1, DeviceOutput, out SizeOut);
return DeviceOutput;
}
}
}