SetupFreeSourceListW

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

BOOL SetupFreeSourceListW(
    LPCWSTR** List,
    DWORD Count
);

<DllImport("SETUPAPI.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupFreeSourceListW(
    List As IntPtr,   ' LPCWSTR** in/out
    Count As UInteger   ' DWORD
) As Boolean
End Function

' List : LPCWSTR** in/out
' Count : DWORD
Declare PtrSafe Function SetupFreeSourceListW Lib "setupapi" ( _
    ByVal List As LongPtr, _
    ByVal Count 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

SetupFreeSourceListW = ctypes.windll.setupapi.SetupFreeSourceListW
SetupFreeSourceListW.restype = wintypes.BOOL
SetupFreeSourceListW.argtypes = [
    ctypes.c_void_p,  # List : LPCWSTR** in/out
    wintypes.DWORD,  # Count : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupFreeSourceListW = Fiddle::Function.new(
  lib['SetupFreeSourceListW'],
  [
    Fiddle::TYPE_VOIDP,  # List : LPCWSTR** in/out
    -Fiddle::TYPE_INT,  # Count : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "setupapi")]
extern "system" {
    fn SetupFreeSourceListW(
        List: *const *const *const u16,  // LPCWSTR** in/out
        Count: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("SETUPAPI.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SetupFreeSourceListW(IntPtr List, uint Count);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupFreeSourceListW' -Namespace Win32 -PassThru
# $api::SetupFreeSourceListW(List, Count)

#uselib "SETUPAPI.dll"
#func global SetupFreeSourceListW "SetupFreeSourceListW" wptr, wptr
; SetupFreeSourceListW varptr(List), Count   ; 戻り値は stat
; List : LPCWSTR** in/out -> "wptr"
; Count : DWORD -> "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 "SETUPAPI.dll"
#cfunc global SetupFreeSourceListW "SetupFreeSourceListW" var, int
; res = SetupFreeSourceListW(List, Count)
; List : LPCWSTR** in/out -> "var"
; Count : DWORD -> "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。

; BOOL SetupFreeSourceListW(LPCWSTR** List, DWORD Count)
#uselib "SETUPAPI.dll"
#cfunc global SetupFreeSourceListW "SetupFreeSourceListW" var, int
; res = SetupFreeSourceListW(List, Count)
; List : LPCWSTR** in/out -> "var"
; Count : DWORD -> "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 (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupFreeSourceListW = setupapi.NewProc("SetupFreeSourceListW")
)

// List (LPCWSTR** in/out), Count (DWORD)
r1, _, err := procSetupFreeSourceListW.Call(
	uintptr(List),
	uintptr(Count),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetupFreeSourceListW(
  List: PPWideChar;   // LPCWSTR** in/out
  Count: DWORD   // DWORD
): BOOL; stdcall;
  external 'SETUPAPI.dll' name 'SetupFreeSourceListW';

result := DllCall("SETUPAPI\SetupFreeSourceListW"
    , "Ptr", List   ; LPCWSTR** in/out
    , "UInt", Count   ; DWORD
    , "Int")   ; return: BOOL

●SetupFreeSourceListW(List, Count) = DLL("SETUPAPI.dll", "bool SetupFreeSourceListW(void*, dword)")
# 呼び出し: SetupFreeSourceListW(List, Count)
# List : LPCWSTR** in/out -> "void*"
# Count : DWORD -> "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。