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Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ComponentModel
Imports System.Diagnostics
Imports System.Windows.Forms
Imports System.Runtime.InteropServices
Imports System.Text
Public Class DeviceID
Inherits System.Windows.Forms.Form
Declare Function KernelIoControl Lib "CoreDll.dll" (ByVal dwIoControlCode As Int32, ByVal lpInBuf As IntPtr, ByVal nInBufSize As Int32, ByVal lpOutBuf() As Byte, ByVal nOutBufSize As Int32, ByRef lpBytesReturned As Int32) As Boolean
Public Sub New()
'
' Required for Windows Form Designer support
'
InitializeComponent()
End Sub
'
' TODO: Add any constructor code after InitializeComponent call
'
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
MyBase.Dispose(disposing)
End Sub
#Region "Windows Form Designer generated code"
Private Sub InitializeComponent()
'
' DeviceID
'
Me.Text = "DeviceID"
End Sub 'InitializeComponent
Shared Sub Main()
Application.Run(New DeviceID)
End Sub 'Main
#End Region
Private Shared METHOD_BUFFERED As Int32 = 0
Private Shared FILE_ANY_ACCESS As Int32 = 0
Private Shared FILE_DEVICE_HAL As Int32 = &H101
Private Const ERROR_NOT_SUPPORTED As Int32 = &H32
Private Const ERROR_INSUFFICIENT_BUFFER As Int32 = &H7A
Private Shared IOCTL_HAL_GET_DEVICEID As Int32 = (&H10000 * FILE_DEVICE_HAL) Or (&H4000 * FILE_ANY_ACCESS) Or (&H4 * 21) Or METHOD_BUFFERED
Private Shared Function GetDeviceID() As String
' Initialize the output buffer to the size of a Win32 DEVICE_ID structure
'
Dim outbuff(19) As Byte
Dim dwOutBytes As Int32
Dim done As Boolean = False
Dim nBuffSize As Int32 = outbuff.Length
' Set DEVICEID.dwSize to size of buffer. Some platforms look at
' this field rather than the nOutBufSize param of KernelIoControl
' when determining if the buffer is large enough.
'
BitConverter.GetBytes(nBuffSize).CopyTo(outbuff, 0)
dwOutBytes = 0
' Loop until the device ID is retrieved or an error occurs
'
While Not done
If KernelIoControl(IOCTL_HAL_GET_DEVICEID, IntPtr.Zero, 0, outbuff, nBuffSize, dwOutBytes) Then
done = True
Else
Dim [error] As Integer = Marshal.GetLastWin32Error()
Select Case [error]
Case ERROR_NOT_SUPPORTED
Throw New NotSupportedException("IOCTL_HAL_GET_DEVICEID is not supported on this device", New Win32Exception([error]))
Case ERROR_INSUFFICIENT_BUFFER
' The buffer is not big enough for the data. The required size
' is in the first 4 bytes of the output buffer (DEVICE_ID.dwSize).
nBuffSize = BitConverter.ToInt32(outbuff, 0)
outbuff = New Byte(nBuffSize) {}
' Set DEVICEID.dwSize to size of buffer. Some
' platforms look at this field rather than the
' nOutBufSize param of KernelIoControl when
' determining if the buffer is large enough.
'
BitConverter.GetBytes(nBuffSize).CopyTo(outbuff, 0)
Case Else
Throw New Win32Exception([error], "Unexpected error")
End Select
End If
End While
Dim dwPresetIDOffset As Int32 = BitConverter.ToInt32(outbuff, &H4) ' DEVICE_ID.dwPresetIDOffset
Dim dwPresetIDSize As Int32 = BitConverter.ToInt32(outbuff, &H8) ' DEVICE_ID.dwPresetIDSize
Dim dwPlatformIDOffset As Int32 = BitConverter.ToInt32(outbuff, &HC) ' DEVICE_ID.dwPlatformIDOffset
Dim dwPlatformIDSize As Int32 = BitConverter.ToInt32(outbuff, &H10) ' DEVICE_ID.dwPlatformIDBytes
Dim sb As New StringBuilder
Dim i As Integer
For i = dwPresetIDOffset To (dwPresetIDOffset + dwPresetIDSize) - 1
sb.Append(String.Format("{0:X2}", outbuff(i)))
Next i
sb.Append("-")
For i = dwPlatformIDOffset To (dwPlatformIDOffset + dwPlatformIDSize) - 1
sb.Append(String.Format("{0:X2}", outbuff(i)))
Next i
Return sb.ToString()
End Function
Private Sub DeviceID_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
Try
Dim strDeviceID As String = GetDeviceID()
MessageBox.Show(("The ID for this device is " + strDeviceID))
Catch ex As Exception
MessageBox.Show(ex.Message.ToString())
End Try
End Sub
End Class
