当我使用 RAPI API 从 PC 连接到 Windows 移动设备时，我可以像这样获取它的设备 ID：
using (RemoteDeviceManager r = new RemoteDeviceManager())
{
using (RemoteDevice dev = r.Devices.FirstConnectedDevice)
{
//dev.DeviceId; <--the id
}
}
如何在紧凑的框架中在设备本身上获得相同的“DeviceId”值？
完整的代码是：
public static class Device
{
//http://msdn.microsoft.com/en-us/library/aa446562.aspx
//These values and the definition of IOCTL_HAL_GET_DEVICEID were taken from the C++ header file,
// winioctl.h.
private static Int32 FILE_DEVICE_HAL = 0x00000101;
private static Int32 FILE_ANY_ACCESS = 0x0;
private static Int32 METHOD_BUFFERED = 0x0;
private static Int32 IOCTL_HAL_GET_DEVICEID =
((FILE_DEVICE_HAL) << 16) | ((FILE_ANY_ACCESS) << 14)
| ((21) << 2) | (METHOD_BUFFERED);
[DllImport("coredll.dll")]
private static extern bool KernelIoControl(Int32 IoControlCode, IntPtr InputBuffer, Int32 InputBufferSize, byte[] OutputBuffer, Int32 OutputBufferSize, ref Int32 BytesReturned);
public static string GetDeviceID()
{
byte[] data = new byte[256];
Int32 OutputBufferSize, BytesReturned;
OutputBufferSize = data.Length;
BytesReturned = 0;
// Call KernelIoControl passing the previously defined IOCTL_HAL_GET_DEVICEID parameter
// We don’t need to pass any input buffers to this call
// so InputBuffer and InputBufferSize are set to their null values
bool retVal = KernelIoControl(IOCTL_HAL_GET_DEVICEID, IntPtr.Zero, 0, data, OutputBufferSize, ref BytesReturned);
// If the request failed, exit the method now
if (retVal)
{
// Examine the OutputBuffer byte array to find the start of the
// Preset ID and Platform ID, as well as the size of the PlatformID.
// PresetIDOffset – The number of bytes the preset ID is offset from the beginning of the structure
// PlatformIDOffset - The number of bytes the platform ID is offset from the beginning of the structure
// PlatformIDSize - The number of bytes used to store the platform ID
// Use BitConverter.ToInt32() to convert from byte[] to int
Int32 PresetIDOffset = BitConverter.ToInt32(data, 4);
Int32 PlatformIDOffset = BitConverter.ToInt32(data, 0xc);
Int32 PlatformIDSize = BitConverter.ToInt32(data, 0x10);
// Convert the Preset ID segments into a string so they can be
// displayed easily.
StringBuilder sb = new StringBuilder();
sb.Append(String.Format("{0:X8}-{1:X4}-{2:X4}-{3:X4}-",
BitConverter.ToInt32(data, PresetIDOffset),
BitConverter.ToInt16(data, PresetIDOffset + 4),
BitConverter.ToInt16(data, PresetIDOffset + 6),
BitConverter.ToInt16(data, PresetIDOffset + 8)));
// Break the Platform ID down into 2-digit hexadecimal numbers
// and append them to the Preset ID. This will result in a
// string-formatted Device ID
for (int i = PlatformIDOffset; i < PlatformIDOffset + PlatformIDSize; i++)
{
sb.Append(String.Format("{0:X2}", data[i]));
}
// return the Device ID string
return sb.ToString();
}
// if null call
// "If the OEM has provided support for the IOCTL_HAL_GET_DEVICEID IOCTL, KernelIoControl will return true.
// If the OEM has not provided support for IOCTL_HAL_GET_DEVICEID, or the request fails, then false is returned.
// If false is returned, call Marshal.GetLastWin32Error for details. An error code of 122 indicates that
// the allocated DEVICE_ID buffer is too small to store all the information. In this situation,
// the first 4 bytes of OutputBuffer will contain the required buffer size.
//Simply reallocate the size of OutputBuffer and request the information again."
return null;
}
}
那么例如：
var deviceId = Device.GetDeviceID();
Debug.WriteLine(string.Format("Device Id {0}", deviceId));
谢谢jp2code。
我刚刚完成了这些点。在 Windows Compact 7 中为我工作
编辑：参考：https : //msdn.microsoft.com/en-us/library/ee478480.aspx 10/16/2014 此 I/O 控件 (IOCTL_HAL_GET_DEVICEID) 已弃用。其功能已集成到 IOCTL_HAL_GET_DEVICE_INFO。
安东尼奥
Microsoft 早在 2003 年就发表了一篇关于使用 Microsoft .NET Compact Framework 检索 Windows CE 设备 ID的库文章，我一直在成功使用该文章。
[DllImport("coredll.dll")]
private static extern bool KernelIoControl(Int32 IoControlCode, IntPtr InputBuffer, Int32 InputBufferSize, byte[] OutputBuffer, Int32 OutputBufferSize, ref Int32 BytesReturned);
private static string GetDeviceID() {
// Reference: http://msdn.microsoft.com/en-us/library/aa446562.aspx
byte[] data = new byte[256];
Int32 OutputBufferSize, BytesReturned;
OutputBufferSize = data.Length;
BytesReturned = 0;
// Call KernelIoControl passing the previously defined IOCTL_HAL_GET_DEVICEID parameter
// We don’t need to pass any input buffers to this call
// so InputBuffer and InputBufferSize are set to their null values
bool retVal = KernelIoControl(IOCTL_HAL_GET_DEVICEID, IntPtr.Zero, 0, data, OutputBufferSize, ref BytesReturned);
// If the request failed, exit the method now
if (retVal) {
// Examine the OutputBuffer byte array to find the start of the
// Preset ID and Platform ID, as well as the size of the PlatformID.
// PresetIDOffset – The number of bytes the preset ID is offset from the beginning of the structure
// PlatformIDOffset - The number of bytes the platform ID is offset from the beginning of the structure
// PlatformIDSize - The number of bytes used to store the platform ID
// Use BitConverter.ToInt32() to convert from byte[] to int
Int32 PresetIDOffset = BitConverter.ToInt32(data, 4);
Int32 PlatformIDOffset = BitConverter.ToInt32(data, 0xc);
Int32 PlatformIDSize = BitConverter.ToInt32(data, 0x10);
// Convert the Preset ID segments into a string so they can be
// displayed easily.
StringBuilder sb = new StringBuilder();
sb.Append(String.Format("{0:X8}-{1:X4}-{2:X4}-{3:X4}-",
BitConverter.ToInt32(data, PresetIDOffset),
BitConverter.ToInt16(data, PresetIDOffset + 4),
BitConverter.ToInt16(data, PresetIDOffset + 6),
BitConverter.ToInt16(data, PresetIDOffset + 8)));
// Break the Platform ID down into 2-digit hexadecimal numbers
// and append them to the Preset ID. This will result in a
// string-formatted Device ID
for (int i = PlatformIDOffset; i < PlatformIDOffset + PlatformIDSize; i++) {
sb.Append(String.Format("{0:X2}", data[i]));
}
// return the Device ID string
return sb.ToString();
}
return null;
}