WldpGetApplicationSettingStringSet

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

HRESULT WldpGetApplicationSettingStringSet(
    LPCWSTR id,
    LPCWSTR setting,
    UINT_PTR dataCount,
    UINT_PTR* requiredCount,
    LPWSTR result   // optional
);

<DllImport("Wldp.dll", ExactSpelling:=True)>
Public Shared Function WldpGetApplicationSettingStringSet(
    <MarshalAs(UnmanagedType.LPWStr)> id As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> setting As String,   ' LPCWSTR
    dataCount As UIntPtr,   ' UINT_PTR
    <Out> ByRef requiredCount As UIntPtr,   ' UINT_PTR* out
    <MarshalAs(UnmanagedType.LPWStr)> result As System.Text.StringBuilder   ' LPWSTR optional, out
) As Integer
End Function

' id : LPCWSTR
' setting : LPCWSTR
' dataCount : UINT_PTR
' requiredCount : UINT_PTR* out
' result : LPWSTR optional, out
Declare PtrSafe Function WldpGetApplicationSettingStringSet Lib "wldp" ( _
    ByVal id As LongPtr, _
    ByVal setting As LongPtr, _
    ByVal dataCount As LongPtr, _
    ByRef requiredCount As LongPtr, _
    ByVal result 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

WldpGetApplicationSettingStringSet = ctypes.windll.wldp.WldpGetApplicationSettingStringSet
WldpGetApplicationSettingStringSet.restype = ctypes.c_int
WldpGetApplicationSettingStringSet.argtypes = [
    wintypes.LPCWSTR,  # id : LPCWSTR
    wintypes.LPCWSTR,  # setting : LPCWSTR
    ctypes.c_size_t,  # dataCount : UINT_PTR
    ctypes.POINTER(ctypes.c_size_t),  # requiredCount : UINT_PTR* out
    wintypes.LPWSTR,  # result : LPWSTR optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Wldp.dll')
WldpGetApplicationSettingStringSet = Fiddle::Function.new(
  lib['WldpGetApplicationSettingStringSet'],
  [
    Fiddle::TYPE_VOIDP,  # id : LPCWSTR
    Fiddle::TYPE_VOIDP,  # setting : LPCWSTR
    Fiddle::TYPE_UINTPTR_T,  # dataCount : UINT_PTR
    Fiddle::TYPE_VOIDP,  # requiredCount : UINT_PTR* out
    Fiddle::TYPE_VOIDP,  # result : LPWSTR optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wldp")]
extern "system" {
    fn WldpGetApplicationSettingStringSet(
        id: *const u16,  // LPCWSTR
        setting: *const u16,  // LPCWSTR
        dataCount: usize,  // UINT_PTR
        requiredCount: *mut usize,  // UINT_PTR* out
        result: *mut u16  // LPWSTR optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("Wldp.dll")]
public static extern int WldpGetApplicationSettingStringSet([MarshalAs(UnmanagedType.LPWStr)] string id, [MarshalAs(UnmanagedType.LPWStr)] string setting, UIntPtr dataCount, out UIntPtr requiredCount, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder result);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Wldp_WldpGetApplicationSettingStringSet' -Namespace Win32 -PassThru
# $api::WldpGetApplicationSettingStringSet(id, setting, dataCount, requiredCount, result)

#uselib "Wldp.dll"
#func global WldpGetApplicationSettingStringSet "WldpGetApplicationSettingStringSet" sptr, sptr, sptr, sptr, sptr
; WldpGetApplicationSettingStringSet id, setting, dataCount, varptr(requiredCount), varptr(result)   ; 戻り値は stat
; id : LPCWSTR -> "sptr"
; setting : LPCWSTR -> "sptr"
; dataCount : UINT_PTR -> "sptr"
; requiredCount : UINT_PTR* out -> "sptr"
; result : LPWSTR optional, 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 "Wldp.dll"
#cfunc global WldpGetApplicationSettingStringSet "WldpGetApplicationSettingStringSet" wstr, wstr, sptr, var, var
; res = WldpGetApplicationSettingStringSet(id, setting, dataCount, requiredCount, result)
; id : LPCWSTR -> "wstr"
; setting : LPCWSTR -> "wstr"
; dataCount : UINT_PTR -> "sptr"
; requiredCount : UINT_PTR* out -> "var"
; result : LPWSTR optional, 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。

; HRESULT WldpGetApplicationSettingStringSet(LPCWSTR id, LPCWSTR setting, UINT_PTR dataCount, UINT_PTR* requiredCount, LPWSTR result)
#uselib "Wldp.dll"
#cfunc global WldpGetApplicationSettingStringSet "WldpGetApplicationSettingStringSet" wstr, wstr, intptr, var, var
; res = WldpGetApplicationSettingStringSet(id, setting, dataCount, requiredCount, result)
; id : LPCWSTR -> "wstr"
; setting : LPCWSTR -> "wstr"
; dataCount : UINT_PTR -> "intptr"
; requiredCount : UINT_PTR* out -> "var"
; result : LPWSTR optional, 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 (
	wldp = windows.NewLazySystemDLL("Wldp.dll")
	procWldpGetApplicationSettingStringSet = wldp.NewProc("WldpGetApplicationSettingStringSet")
)

// id (LPCWSTR), setting (LPCWSTR), dataCount (UINT_PTR), requiredCount (UINT_PTR* out), result (LPWSTR optional, out)
r1, _, err := procWldpGetApplicationSettingStringSet.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(id))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(setting))),
	uintptr(dataCount),
	uintptr(requiredCount),
	uintptr(result),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WldpGetApplicationSettingStringSet(
  id: PWideChar;   // LPCWSTR
  setting: PWideChar;   // LPCWSTR
  dataCount: NativeUInt;   // UINT_PTR
  requiredCount: Pointer;   // UINT_PTR* out
  result: PWideChar   // LPWSTR optional, out
): Integer; stdcall;
  external 'Wldp.dll' name 'WldpGetApplicationSettingStringSet';

result := DllCall("Wldp\WldpGetApplicationSettingStringSet"
    , "WStr", id   ; LPCWSTR
    , "WStr", setting   ; LPCWSTR
    , "UPtr", dataCount   ; UINT_PTR
    , "Ptr", requiredCount   ; UINT_PTR* out
    , "Ptr", result   ; LPWSTR optional, out
    , "Int")   ; return: HRESULT

●WldpGetApplicationSettingStringSet(id, setting, dataCount, requiredCount, result) = DLL("Wldp.dll", "int WldpGetApplicationSettingStringSet(char*, char*, int, void*, char*)")
# 呼び出し: WldpGetApplicationSettingStringSet(id, setting, dataCount, requiredCount, result)
# id : LPCWSTR -> "char*"
# setting : LPCWSTR -> "char*"
# dataCount : UINT_PTR -> "int"
# requiredCount : UINT_PTR* out -> "void*"
# result : LPWSTR optional, out -> "char*"
# 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)。