SetupDiGetDeviceInfoListClass

// SETUPAPI.dll
#include <windows.h>

BOOL SetupDiGetDeviceInfoListClass(
    HDEVINFO DeviceInfoSet,
    GUID* ClassGuid
);

<DllImport("SETUPAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupDiGetDeviceInfoListClass(
    DeviceInfoSet As IntPtr,   ' HDEVINFO
    <Out> ByRef ClassGuid As Guid   ' GUID* out
) As Boolean
End Function

' DeviceInfoSet : HDEVINFO
' ClassGuid : GUID* out
Declare PtrSafe Function SetupDiGetDeviceInfoListClass Lib "setupapi" ( _
    ByVal DeviceInfoSet As LongPtr, _
    ByVal ClassGuid As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetupDiGetDeviceInfoListClass = ctypes.windll.setupapi.SetupDiGetDeviceInfoListClass
SetupDiGetDeviceInfoListClass.restype = wintypes.BOOL
SetupDiGetDeviceInfoListClass.argtypes = [
    ctypes.c_ssize_t,  # DeviceInfoSet : HDEVINFO
    ctypes.c_void_p,  # ClassGuid : GUID* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupDiGetDeviceInfoListClass = Fiddle::Function.new(
  lib['SetupDiGetDeviceInfoListClass'],
  [
    Fiddle::TYPE_INTPTR_T,  # DeviceInfoSet : HDEVINFO
    Fiddle::TYPE_VOIDP,  # ClassGuid : GUID* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "setupapi")]
extern "system" {
    fn SetupDiGetDeviceInfoListClass(
        DeviceInfoSet: isize,  // HDEVINFO
        ClassGuid: *mut GUID  // GUID* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", SetLastError = true)]
public static extern bool SetupDiGetDeviceInfoListClass(IntPtr DeviceInfoSet, out Guid ClassGuid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupDiGetDeviceInfoListClass' -Namespace Win32 -PassThru
# $api::SetupDiGetDeviceInfoListClass(DeviceInfoSet, ClassGuid)

#uselib "SETUPAPI.dll"
#func global SetupDiGetDeviceInfoListClass "SetupDiGetDeviceInfoListClass" sptr, sptr
; SetupDiGetDeviceInfoListClass DeviceInfoSet, varptr(ClassGuid)   ; 戻り値は stat
; DeviceInfoSet : HDEVINFO -> "sptr"
; ClassGuid : GUID* out -> "sptr"
; ※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 "SETUPAPI.dll"
#cfunc global SetupDiGetDeviceInfoListClass "SetupDiGetDeviceInfoListClass" sptr, var
; res = SetupDiGetDeviceInfoListClass(DeviceInfoSet, ClassGuid)
; DeviceInfoSet : HDEVINFO -> "sptr"
; ClassGuid : GUID* out -> "var"
; ※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。

; BOOL SetupDiGetDeviceInfoListClass(HDEVINFO DeviceInfoSet, GUID* ClassGuid)
#uselib "SETUPAPI.dll"
#cfunc global SetupDiGetDeviceInfoListClass "SetupDiGetDeviceInfoListClass" intptr, var
; res = SetupDiGetDeviceInfoListClass(DeviceInfoSet, ClassGuid)
; DeviceInfoSet : HDEVINFO -> "intptr"
; ClassGuid : GUID* out -> "var"
; ※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 (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupDiGetDeviceInfoListClass = setupapi.NewProc("SetupDiGetDeviceInfoListClass")
)

// DeviceInfoSet (HDEVINFO), ClassGuid (GUID* out)
r1, _, err := procSetupDiGetDeviceInfoListClass.Call(
	uintptr(DeviceInfoSet),
	uintptr(ClassGuid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetupDiGetDeviceInfoListClass(
  DeviceInfoSet: NativeInt;   // HDEVINFO
  ClassGuid: PGUID   // GUID* out
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupDiGetDeviceInfoListClass';

result := DllCall("SETUPAPI\SetupDiGetDeviceInfoListClass"
    , "Ptr", DeviceInfoSet   ; HDEVINFO
    , "Ptr", ClassGuid   ; GUID* out
    , "Int")   ; return: BOOL

●SetupDiGetDeviceInfoListClass(DeviceInfoSet, ClassGuid) = DLL("SETUPAPI.dll", "bool SetupDiGetDeviceInfoListClass(int, void*)")
# 呼び出し: SetupDiGetDeviceInfoListClass(DeviceInfoSet, ClassGuid)
# DeviceInfoSet : HDEVINFO -> "int"
# ClassGuid : GUID* out -> "void*"
# 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)。