SHGetDataFromIDListA

// SHELL32.dll  (ANSI / -A)
#include <windows.h>

HRESULT SHGetDataFromIDListA(
    IShellFolder* psf,
    ITEMIDLIST* pidl,
    SHGDFIL_FORMAT nFormat,
    void* pv,
    INT cb
);

<DllImport("SHELL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SHGetDataFromIDListA(
    psf As IntPtr,   ' IShellFolder*
    pidl As IntPtr,   ' ITEMIDLIST*
    nFormat As Integer,   ' SHGDFIL_FORMAT
    pv As IntPtr,   ' void* out
    cb As Integer   ' INT
) As Integer
End Function

' psf : IShellFolder*
' pidl : ITEMIDLIST*
' nFormat : SHGDFIL_FORMAT
' pv : void* out
' cb : INT
Declare PtrSafe Function SHGetDataFromIDListA Lib "shell32" ( _
    ByVal psf As LongPtr, _
    ByVal pidl As LongPtr, _
    ByVal nFormat As Long, _
    ByVal pv As LongPtr, _
    ByVal cb As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHGetDataFromIDListA = ctypes.windll.shell32.SHGetDataFromIDListA
SHGetDataFromIDListA.restype = ctypes.c_int
SHGetDataFromIDListA.argtypes = [
    ctypes.c_void_p,  # psf : IShellFolder*
    ctypes.c_void_p,  # pidl : ITEMIDLIST*
    ctypes.c_int,  # nFormat : SHGDFIL_FORMAT
    ctypes.POINTER(None),  # pv : void* out
    ctypes.c_int,  # cb : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHGetDataFromIDListA = Fiddle::Function.new(
  lib['SHGetDataFromIDListA'],
  [
    Fiddle::TYPE_VOIDP,  # psf : IShellFolder*
    Fiddle::TYPE_VOIDP,  # pidl : ITEMIDLIST*
    Fiddle::TYPE_INT,  # nFormat : SHGDFIL_FORMAT
    Fiddle::TYPE_VOIDP,  # pv : void* out
    Fiddle::TYPE_INT,  # cb : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHGetDataFromIDListA(
        psf: *mut core::ffi::c_void,  // IShellFolder*
        pidl: *mut ITEMIDLIST,  // ITEMIDLIST*
        nFormat: i32,  // SHGDFIL_FORMAT
        pv: *mut (),  // void* out
        cb: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll", CharSet = CharSet.Ansi)]
public static extern int SHGetDataFromIDListA(IntPtr psf, IntPtr pidl, int nFormat, IntPtr pv, int cb);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHGetDataFromIDListA' -Namespace Win32 -PassThru
# $api::SHGetDataFromIDListA(psf, pidl, nFormat, pv, cb)

#uselib "SHELL32.dll"
#func global SHGetDataFromIDListA "SHGetDataFromIDListA" sptr, sptr, sptr, sptr, sptr
; SHGetDataFromIDListA psf, varptr(pidl), nFormat, pv, cb   ; 戻り値は stat
; psf : IShellFolder* -> "sptr"
; pidl : ITEMIDLIST* -> "sptr"
; nFormat : SHGDFIL_FORMAT -> "sptr"
; pv : void* out -> "sptr"
; cb : INT -> "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 "SHELL32.dll"
#cfunc global SHGetDataFromIDListA "SHGetDataFromIDListA" sptr, var, int, sptr, int
; res = SHGetDataFromIDListA(psf, pidl, nFormat, pv, cb)
; psf : IShellFolder* -> "sptr"
; pidl : ITEMIDLIST* -> "var"
; nFormat : SHGDFIL_FORMAT -> "int"
; pv : void* out -> "sptr"
; cb : INT -> "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。

; HRESULT SHGetDataFromIDListA(IShellFolder* psf, ITEMIDLIST* pidl, SHGDFIL_FORMAT nFormat, void* pv, INT cb)
#uselib "SHELL32.dll"
#cfunc global SHGetDataFromIDListA "SHGetDataFromIDListA" intptr, var, int, intptr, int
; res = SHGetDataFromIDListA(psf, pidl, nFormat, pv, cb)
; psf : IShellFolder* -> "intptr"
; pidl : ITEMIDLIST* -> "var"
; nFormat : SHGDFIL_FORMAT -> "int"
; pv : void* out -> "intptr"
; cb : INT -> "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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHGetDataFromIDListA = shell32.NewProc("SHGetDataFromIDListA")
)

// psf (IShellFolder*), pidl (ITEMIDLIST*), nFormat (SHGDFIL_FORMAT), pv (void* out), cb (INT)
r1, _, err := procSHGetDataFromIDListA.Call(
	uintptr(psf),
	uintptr(pidl),
	uintptr(nFormat),
	uintptr(pv),
	uintptr(cb),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHGetDataFromIDListA(
  psf: Pointer;   // IShellFolder*
  pidl: Pointer;   // ITEMIDLIST*
  nFormat: Integer;   // SHGDFIL_FORMAT
  pv: Pointer;   // void* out
  cb: Integer   // INT
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHGetDataFromIDListA';

result := DllCall("SHELL32\SHGetDataFromIDListA"
    , "Ptr", psf   ; IShellFolder*
    , "Ptr", pidl   ; ITEMIDLIST*
    , "Int", nFormat   ; SHGDFIL_FORMAT
    , "Ptr", pv   ; void* out
    , "Int", cb   ; INT
    , "Int")   ; return: HRESULT

●SHGetDataFromIDListA(psf, pidl, nFormat, pv, cb) = DLL("SHELL32.dll", "int SHGetDataFromIDListA(void*, void*, int, void*, int)")
# 呼び出し: SHGetDataFromIDListA(psf, pidl, nFormat, pv, cb)
# psf : IShellFolder* -> "void*"
# pidl : ITEMIDLIST* -> "void*"
# nFormat : SHGDFIL_FORMAT -> "int"
# pv : void* out -> "void*"
# cb : INT -> "int"
# 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)。