PInvoke和SetupDiEnumDriverInfo返回错误代码259为什么？

Question

您好我正在尝试在vb.net中使用SetupDiEnumDriverInfo并继续获取错误代码259.有人可以帮助我。以下代码应该只是剪切并进入vb表单应用程序项目。

这是我的代码。

Imports System.Runtime.InteropServices
Imports Microsoft.Win32.SafeHandles

Public Class Form1
    Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
        USB.Doit()
    End Sub
End Class

Public Class USB

    Private Const DIGCF_PRESENT As Integer = &H2
    Private Const DIGCF_ALLCLASSES As Integer = &H4
    Private Const DIGCF_PROFILE As Integer = &H8
    Private Const DIGCF_DEVICEINTERFACE As Integer = &H10
    Private Const ERROR_NO_MORE_ITEMS As Integer = 259
    Private Const INVALID_HANDLE_VALUE As Integer = -1
    Private Const FILE_FLAG_OVERLAPPED As Integer = &H40000000
    Private Const FILE_SHARE_READ As Short = &H1S
    Private Const FILE_SHARE_WRITE As Short = &H2S
    Private Const GENERIC_READ As Integer = &H80000000
    Private Const GENERIC_WRITE As Integer = &H40000000
    Private Const OPEN_EXISTING As Short = 3
    Private Shared GUID_DEVINTERFACE_USB_DEVICE As Guid = New Guid("{A5DCBF10-6530-11D2-901F-00C04FB951ED}")
    Private Const LINE_LEN As Integer = 256
    Private Const MAX_PATH As Integer = 260
    Private Const ANYSIZE_ARRAY As Integer = 1

    Public Enum DeviceDriverType As UInt32
        NoDriver = 0
        ClassDriver = 1
        CompatDriver = 2
    End Enum

    <StructLayout(LayoutKind.Sequential, Pack:=4, CharSet:=CharSet.Unicode)> _
    Public Structure SP_DEVINFO_DATA
        Dim cbSize As Integer
        Dim ClassGuid As Guid
        Dim DevInst As IntPtr
        Dim Reserved As Integer
    End Structure

    <StructLayout(LayoutKind.Sequential, Pack:=4, CharSet:=CharSet.Unicode)> _
    Public Structure SP_DRVINFO_DATA
        Dim Size As Integer
        Dim DriverType As Integer
        Dim Reserved As IntPtr
        Dim Description As String
        Dim Manufacturer As String
        Dim Provider As String
        Dim ReleaseData As System.Runtime.InteropServices.ComTypes.FILETIME
        Dim Version As ULong
    End Structure

    <DllImport("setupapi.dll", CharSet:=CharSet.Unicode, SetLastError:=True)> _
    Private Shared Function SetupDiGetClassDevsW(<[In]()> ByRef ClassGuid As Guid _
                                           , <MarshalAs(UnmanagedType.LPWStr)> ByVal Enumerator As String _
                                           , ByVal hwndParent As IntPtr _
                                           , ByVal Flags As UInt32) As IntPtr
    End Function

    <DllImport("setupapi.dll", CharSet:=CharSet.Unicode, setlasterror:=True)> _
    Private Shared Function SetupDiDestroyDeviceInfoList(<[In]()> ByRef DeviceInfoSet As IntPtr) As Boolean
    End Function

    <DllImport("setupapi.dll", setlasterror:=True, CharSet:=CharSet.Unicode)> _
    Private Shared Function SetupDiEnumDeviceInfo(ByVal DeviceInfoSet As IntPtr _
                                            , ByVal MemberIndex As UInt32 _
                                            , <[Out]()> ByRef DeviceInfoData As SP_DEVINFO_DATA) As Boolean
    End Function

    <DllImport("setupapi.dll", setlasterror:=True, CharSet:=CharSet.Unicode)> _
    Private Shared Function SetupDiBuildDriverInfoList(ByRef DeviceinfoSet As IntPtr _
                                                   , ByRef DeviceInfoData As SP_DEVINFO_DATA _
                                                   , ByVal DriverType As Integer) As Boolean
    End Function

    <DllImport("setupapi.dll", setlasterror:=True, CharSet:=CharSet.Unicode)> _
    Private Shared Function SetupDiDestroyDriverInfoList(ByRef DeviceinfoSet As IntPtr _
                                                   , ByRef DeviceInfoData As SP_DEVINFO_DATA _
                                                   , ByVal DriverType As Integer) As Boolean
    End Function

    <DllImport("setupapi.dll", setlasterror:=True, CharSet:=CharSet.Unicode)> _
    Private Shared Function SetupDiEnumDriverInfo(ByVal DeviceInfoSet As IntPtr _
                                            , ByRef DeviceInfoData As SP_DEVINFO_DATA _
                                            , ByVal DriverType As Integer _
                                            , ByVal MemberIndex As Integer _
                                            , <[Out]()> ByRef DriverInfoData As SP_DRVINFO_DATA) As Boolean
    End Function

    Public Shared Sub Doit()
        Dim _devInfoData As SP_DEVINFO_DATA
        _devInfoData.cbSize = Marshal.SizeOf(_devInfoData)
        Dim _guid As Guid = Nothing
        Dim _idxA as integer = 1
        Dim _idxB as integer = 0
        'Use a guid that identifies a device on your machine. i used DevMgr from codeproject.
        '_guid = New Guid("{4D36E967-E325-11CE-BFC1-08002BE10318}")
        Dim _deviceInfoSet As IntPtr = SetupDiGetClassDevsW(_guid, Nothing, IntPtr.Zero, DIGCF_PRESENT)
        Dim _errorcode As Integer = 0
        If Not SetupDiEnumDeviceInfo(_deviceInfoSet, _idxA, _devInfoData) Then
            _errorcode = Marshal.GetLastWin32Error()
        Else
            If SetupDiBuildDriverInfoList(_deviceInfoSet, _devInfoData, DeviceDriverType.CompatDriver) Then
                Dim ss = 0
            Else
                Dim _drvInfoData As New SP_DRVINFO_DATA
                _drvInfoData.Size = Marshal.SizeOf(_drvInfoData)
                If Not SetupDiEnumDriverInfo(_deviceInfoSet, _devInfoData, DeviceDriverType.CompatDriver, _idxB, _drvInfoData) Then
                    _errorcode = Marshal.GetLastWin32Error()
                Else
                End If
            End If
            SetupDiDestroyDriverInfoList(_deviceInfoSet, _devInfoData, DeviceDriverType.CompatDriver)
        End If
        SetupDiDestroyDeviceInfoList(_deviceInfoSet)
    End Sub

End Class

以下代码适用于C ++

HDEVINFO hDevInfo = 0L;
SP_DEVINFO_DATA spDevInfoData = {0};
//Guid to my Prolific device.
GUID guid = { 0x4d36e978, 0xe325, 0x11ce, { 0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18 } };
DWORD _error = 0;
const short wOrder = 1;
short wIdx = 0;
hDevInfo = SetupDiGetClassDevs(&guid, 0L, 0L, DIGCF_PRESENT);
if (hDevInfo == (void*)-1) 
{
    _error = GetLastError();
};
spDevInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
if (SetupDiEnumDeviceInfo(hDevInfo
                        , wOrder 
                        , &spDevInfoData))
{
    SP_DRVINFO_DATA spDrvInfoData      = {0};
    if (!SetupDiBuildDriverInfoList(hDevInfo,
                                    &spDevInfoData,
                                    SPDIT_COMPATDRIVER))
        _error = GetLastError();
    wIdx = 0;
    spDrvInfoData.cbSize = sizeof(SP_DRVINFO_DATA);
    if (SetupDiEnumDriverInfo(hDevInfo,
                                &spDevInfoData,
                                SPDIT_COMPATDRIVER,
                                wIdx,
                                &spDrvInfoData))
    {
        int i = 0;
    }