SHGetIDListFromObject

// SHELL32.dll
#include <windows.h>

HRESULT SHGetIDListFromObject(
    IUnknown* punk,
    ITEMIDLIST** ppidl
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHGetIDListFromObject(
    punk As IntPtr,   ' IUnknown*
    ppidl As IntPtr   ' ITEMIDLIST** out
) As Integer
End Function

' punk : IUnknown*
' ppidl : ITEMIDLIST** out
Declare PtrSafe Function SHGetIDListFromObject Lib "shell32" ( _
    ByVal punk As LongPtr, _
    ByVal ppidl 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

SHGetIDListFromObject = ctypes.windll.shell32.SHGetIDListFromObject
SHGetIDListFromObject.restype = ctypes.c_int
SHGetIDListFromObject.argtypes = [
    ctypes.c_void_p,  # punk : IUnknown*
    ctypes.c_void_p,  # ppidl : ITEMIDLIST** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHGetIDListFromObject = Fiddle::Function.new(
  lib['SHGetIDListFromObject'],
  [
    Fiddle::TYPE_VOIDP,  # punk : IUnknown*
    Fiddle::TYPE_VOIDP,  # ppidl : ITEMIDLIST** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHGetIDListFromObject(
        punk: *mut core::ffi::c_void,  // IUnknown*
        ppidl: *mut *mut ITEMIDLIST  // ITEMIDLIST** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHGetIDListFromObject(IntPtr punk, IntPtr ppidl);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHGetIDListFromObject' -Namespace Win32 -PassThru
# $api::SHGetIDListFromObject(punk, ppidl)

#uselib "SHELL32.dll"
#func global SHGetIDListFromObject "SHGetIDListFromObject" sptr, sptr
; SHGetIDListFromObject punk, varptr(ppidl)   ; 戻り値は stat
; punk : IUnknown* -> "sptr"
; ppidl : ITEMIDLIST** 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 "SHELL32.dll"
#cfunc global SHGetIDListFromObject "SHGetIDListFromObject" sptr, var
; res = SHGetIDListFromObject(punk, ppidl)
; punk : IUnknown* -> "sptr"
; ppidl : ITEMIDLIST** 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 SHGetIDListFromObject(IUnknown* punk, ITEMIDLIST** ppidl)
#uselib "SHELL32.dll"
#cfunc global SHGetIDListFromObject "SHGetIDListFromObject" intptr, var
; res = SHGetIDListFromObject(punk, ppidl)
; punk : IUnknown* -> "intptr"
; ppidl : ITEMIDLIST** 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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHGetIDListFromObject = shell32.NewProc("SHGetIDListFromObject")
)

// punk (IUnknown*), ppidl (ITEMIDLIST** out)
r1, _, err := procSHGetIDListFromObject.Call(
	uintptr(punk),
	uintptr(ppidl),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHGetIDListFromObject(
  punk: Pointer;   // IUnknown*
  ppidl: Pointer   // ITEMIDLIST** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHGetIDListFromObject';

result := DllCall("SHELL32\SHGetIDListFromObject"
    , "Ptr", punk   ; IUnknown*
    , "Ptr", ppidl   ; ITEMIDLIST** out
    , "Int")   ; return: HRESULT

●SHGetIDListFromObject(punk, ppidl) = DLL("SHELL32.dll", "int SHGetIDListFromObject(void*, void*)")
# 呼び出し: SHGetIDListFromObject(punk, ppidl)
# punk : IUnknown* -> "void*"
# ppidl : ITEMIDLIST** 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)。