CM_Get_Device_Interface_ListW

// CFGMGR32.dll  (Unicode / -W)
#include <windows.h>

CONFIGRET CM_Get_Device_Interface_ListW(
    GUID* InterfaceClassGuid,
    LPWSTR pDeviceID,   // optional
    LPWSTR Buffer,
    DWORD BufferLen,
    CM_GET_DEVICE_INTERFACE_LIST_FLAGS ulFlags
);

<DllImport("CFGMGR32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CM_Get_Device_Interface_ListW(
    ByRef InterfaceClassGuid As Guid,   ' GUID*
    <MarshalAs(UnmanagedType.LPWStr)> pDeviceID As String,   ' LPWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> Buffer As System.Text.StringBuilder,   ' LPWSTR out
    BufferLen As UInteger,   ' DWORD
    ulFlags As UInteger   ' CM_GET_DEVICE_INTERFACE_LIST_FLAGS
) As UInteger
End Function

' InterfaceClassGuid : GUID*
' pDeviceID : LPWSTR optional
' Buffer : LPWSTR out
' BufferLen : DWORD
' ulFlags : CM_GET_DEVICE_INTERFACE_LIST_FLAGS
Declare PtrSafe Function CM_Get_Device_Interface_ListW Lib "cfgmgr32" ( _
    ByVal InterfaceClassGuid As LongPtr, _
    ByVal pDeviceID As LongPtr, _
    ByVal Buffer As LongPtr, _
    ByVal BufferLen As Long, _
    ByVal ulFlags As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CM_Get_Device_Interface_ListW = ctypes.windll.cfgmgr32.CM_Get_Device_Interface_ListW
CM_Get_Device_Interface_ListW.restype = wintypes.DWORD
CM_Get_Device_Interface_ListW.argtypes = [
    ctypes.c_void_p,  # InterfaceClassGuid : GUID*
    wintypes.LPCWSTR,  # pDeviceID : LPWSTR optional
    wintypes.LPWSTR,  # Buffer : LPWSTR out
    wintypes.DWORD,  # BufferLen : DWORD
    wintypes.DWORD,  # ulFlags : CM_GET_DEVICE_INTERFACE_LIST_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CFGMGR32.dll')
CM_Get_Device_Interface_ListW = Fiddle::Function.new(
  lib['CM_Get_Device_Interface_ListW'],
  [
    Fiddle::TYPE_VOIDP,  # InterfaceClassGuid : GUID*
    Fiddle::TYPE_VOIDP,  # pDeviceID : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # Buffer : LPWSTR out
    -Fiddle::TYPE_INT,  # BufferLen : DWORD
    -Fiddle::TYPE_INT,  # ulFlags : CM_GET_DEVICE_INTERFACE_LIST_FLAGS
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "cfgmgr32")]
extern "system" {
    fn CM_Get_Device_Interface_ListW(
        InterfaceClassGuid: *mut GUID,  // GUID*
        pDeviceID: *mut u16,  // LPWSTR optional
        Buffer: *mut u16,  // LPWSTR out
        BufferLen: u32,  // DWORD
        ulFlags: u32  // CM_GET_DEVICE_INTERFACE_LIST_FLAGS
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CFGMGR32.dll", CharSet = CharSet.Unicode)]
public static extern uint CM_Get_Device_Interface_ListW(ref Guid InterfaceClassGuid, [MarshalAs(UnmanagedType.LPWStr)] string pDeviceID, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder Buffer, uint BufferLen, uint ulFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CFGMGR32_CM_Get_Device_Interface_ListW' -Namespace Win32 -PassThru
# $api::CM_Get_Device_Interface_ListW(InterfaceClassGuid, pDeviceID, Buffer, BufferLen, ulFlags)

#uselib "CFGMGR32.dll"
#func global CM_Get_Device_Interface_ListW "CM_Get_Device_Interface_ListW" wptr, wptr, wptr, wptr, wptr
; CM_Get_Device_Interface_ListW varptr(InterfaceClassGuid), pDeviceID, varptr(Buffer), BufferLen, ulFlags   ; 戻り値は stat
; InterfaceClassGuid : GUID* -> "wptr"
; pDeviceID : LPWSTR optional -> "wptr"
; Buffer : LPWSTR out -> "wptr"
; BufferLen : DWORD -> "wptr"
; ulFlags : CM_GET_DEVICE_INTERFACE_LIST_FLAGS -> "wptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "CFGMGR32.dll"
#cfunc global CM_Get_Device_Interface_ListW "CM_Get_Device_Interface_ListW" var, wstr, var, int, int
; res = CM_Get_Device_Interface_ListW(InterfaceClassGuid, pDeviceID, Buffer, BufferLen, ulFlags)
; InterfaceClassGuid : GUID* -> "var"
; pDeviceID : LPWSTR optional -> "wstr"
; Buffer : LPWSTR out -> "var"
; BufferLen : DWORD -> "int"
; ulFlags : CM_GET_DEVICE_INTERFACE_LIST_FLAGS -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; CONFIGRET CM_Get_Device_Interface_ListW(GUID* InterfaceClassGuid, LPWSTR pDeviceID, LPWSTR Buffer, DWORD BufferLen, CM_GET_DEVICE_INTERFACE_LIST_FLAGS ulFlags)
#uselib "CFGMGR32.dll"
#cfunc global CM_Get_Device_Interface_ListW "CM_Get_Device_Interface_ListW" var, wstr, var, int, int
; res = CM_Get_Device_Interface_ListW(InterfaceClassGuid, pDeviceID, Buffer, BufferLen, ulFlags)
; InterfaceClassGuid : GUID* -> "var"
; pDeviceID : LPWSTR optional -> "wstr"
; Buffer : LPWSTR out -> "var"
; BufferLen : DWORD -> "int"
; ulFlags : CM_GET_DEVICE_INTERFACE_LIST_FLAGS -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	cfgmgr32 = windows.NewLazySystemDLL("CFGMGR32.dll")
	procCM_Get_Device_Interface_ListW = cfgmgr32.NewProc("CM_Get_Device_Interface_ListW")
)

// InterfaceClassGuid (GUID*), pDeviceID (LPWSTR optional), Buffer (LPWSTR out), BufferLen (DWORD), ulFlags (CM_GET_DEVICE_INTERFACE_LIST_FLAGS)
r1, _, err := procCM_Get_Device_Interface_ListW.Call(
	uintptr(InterfaceClassGuid),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pDeviceID))),
	uintptr(Buffer),
	uintptr(BufferLen),
	uintptr(ulFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CONFIGRET

function CM_Get_Device_Interface_ListW(
  InterfaceClassGuid: PGUID;   // GUID*
  pDeviceID: PWideChar;   // LPWSTR optional
  Buffer: PWideChar;   // LPWSTR out
  BufferLen: DWORD;   // DWORD
  ulFlags: DWORD   // CM_GET_DEVICE_INTERFACE_LIST_FLAGS
): DWORD; stdcall;
  external 'CFGMGR32.dll' name 'CM_Get_Device_Interface_ListW';

result := DllCall("CFGMGR32\CM_Get_Device_Interface_ListW"
    , "Ptr", InterfaceClassGuid   ; GUID*
    , "WStr", pDeviceID   ; LPWSTR optional
    , "Ptr", Buffer   ; LPWSTR out
    , "UInt", BufferLen   ; DWORD
    , "UInt", ulFlags   ; CM_GET_DEVICE_INTERFACE_LIST_FLAGS
    , "UInt")   ; return: CONFIGRET

●CM_Get_Device_Interface_ListW(InterfaceClassGuid, pDeviceID, Buffer, BufferLen, ulFlags) = DLL("CFGMGR32.dll", "dword CM_Get_Device_Interface_ListW(void*, char*, char*, dword, dword)")
# 呼び出し: CM_Get_Device_Interface_ListW(InterfaceClassGuid, pDeviceID, Buffer, BufferLen, ulFlags)
# InterfaceClassGuid : GUID* -> "void*"
# pDeviceID : LPWSTR optional -> "char*"
# Buffer : LPWSTR out -> "char*"
# BufferLen : DWORD -> "dword"
# ulFlags : CM_GET_DEVICE_INTERFACE_LIST_FLAGS -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。