SetupDiCreateDeviceInfoList

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

HDEVINFO SetupDiCreateDeviceInfoList(
    const GUID* ClassGuid,   // optional
    HWND hwndParent   // optional
);

<DllImport("SETUPAPI.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupDiCreateDeviceInfoList(
    ClassGuid As IntPtr,   ' GUID* optional
    hwndParent As IntPtr   ' HWND optional
) As IntPtr
End Function

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

import ctypes
from ctypes import wintypes

SetupDiCreateDeviceInfoList = ctypes.windll.setupapi.SetupDiCreateDeviceInfoList
SetupDiCreateDeviceInfoList.restype = ctypes.c_ssize_t
SetupDiCreateDeviceInfoList.argtypes = [
    ctypes.c_void_p,  # ClassGuid : GUID* optional
    wintypes.HANDLE,  # hwndParent : HWND optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupDiCreateDeviceInfoList = Fiddle::Function.new(
  lib['SetupDiCreateDeviceInfoList'],
  [
    Fiddle::TYPE_VOIDP,  # ClassGuid : GUID* optional
    Fiddle::TYPE_VOIDP,  # hwndParent : HWND optional
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "setupapi")]
extern "system" {
    fn SetupDiCreateDeviceInfoList(
        ClassGuid: *const GUID,  // GUID* optional
        hwndParent: *mut core::ffi::c_void  // HWND optional
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SETUPAPI.dll", SetLastError = true)]
public static extern IntPtr SetupDiCreateDeviceInfoList(IntPtr ClassGuid, IntPtr hwndParent);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupDiCreateDeviceInfoList' -Namespace Win32 -PassThru
# $api::SetupDiCreateDeviceInfoList(ClassGuid, hwndParent)

#uselib "SETUPAPI.dll"
#func global SetupDiCreateDeviceInfoList "SetupDiCreateDeviceInfoList" sptr, sptr
; SetupDiCreateDeviceInfoList varptr(ClassGuid), hwndParent   ; 戻り値は stat
; ClassGuid : GUID* optional -> "sptr"
; hwndParent : HWND optional -> "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 SetupDiCreateDeviceInfoList "SetupDiCreateDeviceInfoList" var, sptr
; res = SetupDiCreateDeviceInfoList(ClassGuid, hwndParent)
; ClassGuid : GUID* optional -> "var"
; hwndParent : HWND optional -> "sptr"
; ※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。

; HDEVINFO SetupDiCreateDeviceInfoList(GUID* ClassGuid, HWND hwndParent)
#uselib "SETUPAPI.dll"
#cfunc global SetupDiCreateDeviceInfoList "SetupDiCreateDeviceInfoList" var, intptr
; res = SetupDiCreateDeviceInfoList(ClassGuid, hwndParent)
; ClassGuid : GUID* optional -> "var"
; hwndParent : HWND optional -> "intptr"
; ※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")
	procSetupDiCreateDeviceInfoList = setupapi.NewProc("SetupDiCreateDeviceInfoList")
)

// ClassGuid (GUID* optional), hwndParent (HWND optional)
r1, _, err := procSetupDiCreateDeviceInfoList.Call(
	uintptr(ClassGuid),
	uintptr(hwndParent),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HDEVINFO

function SetupDiCreateDeviceInfoList(
  ClassGuid: PGUID;   // GUID* optional
  hwndParent: THandle   // HWND optional
): NativeInt; stdcall;
  external 'SETUPAPI.dll' name 'SetupDiCreateDeviceInfoList';

result := DllCall("SETUPAPI\SetupDiCreateDeviceInfoList"
    , "Ptr", ClassGuid   ; GUID* optional
    , "Ptr", hwndParent   ; HWND optional
    , "Ptr")   ; return: HDEVINFO

●SetupDiCreateDeviceInfoList(ClassGuid, hwndParent) = DLL("SETUPAPI.dll", "int SetupDiCreateDeviceInfoList(void*, void*)")
# 呼び出し: SetupDiCreateDeviceInfoList(ClassGuid, hwndParent)
# ClassGuid : GUID* optional -> "void*"
# hwndParent : HWND optional -> "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)。