SHCreateDataObject

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

HRESULT SHCreateDataObject(
    ITEMIDLIST* pidlFolder,   // optional
    DWORD cidl,
    ITEMIDLIST** apidl,   // optional
    IDataObject* pdtInner,   // optional
    const GUID* riid,
    void** ppv
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHCreateDataObject(
    pidlFolder As IntPtr,   ' ITEMIDLIST* optional
    cidl As UInteger,   ' DWORD
    apidl As IntPtr,   ' ITEMIDLIST** optional
    pdtInner As IntPtr,   ' IDataObject* optional
    ByRef riid As Guid,   ' GUID*
    ppv As IntPtr   ' void** out
) As Integer
End Function

' pidlFolder : ITEMIDLIST* optional
' cidl : DWORD
' apidl : ITEMIDLIST** optional
' pdtInner : IDataObject* optional
' riid : GUID*
' ppv : void** out
Declare PtrSafe Function SHCreateDataObject Lib "shell32" ( _
    ByVal pidlFolder As LongPtr, _
    ByVal cidl As Long, _
    ByVal apidl As LongPtr, _
    ByVal pdtInner As LongPtr, _
    ByVal riid As LongPtr, _
    ByVal ppv 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

SHCreateDataObject = ctypes.windll.shell32.SHCreateDataObject
SHCreateDataObject.restype = ctypes.c_int
SHCreateDataObject.argtypes = [
    ctypes.c_void_p,  # pidlFolder : ITEMIDLIST* optional
    wintypes.DWORD,  # cidl : DWORD
    ctypes.c_void_p,  # apidl : ITEMIDLIST** optional
    ctypes.c_void_p,  # pdtInner : IDataObject* optional
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # ppv : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHCreateDataObject = Fiddle::Function.new(
  lib['SHCreateDataObject'],
  [
    Fiddle::TYPE_VOIDP,  # pidlFolder : ITEMIDLIST* optional
    -Fiddle::TYPE_INT,  # cidl : DWORD
    Fiddle::TYPE_VOIDP,  # apidl : ITEMIDLIST** optional
    Fiddle::TYPE_VOIDP,  # pdtInner : IDataObject* optional
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # ppv : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHCreateDataObject(
        pidlFolder: *mut ITEMIDLIST,  // ITEMIDLIST* optional
        cidl: u32,  // DWORD
        apidl: *mut *mut ITEMIDLIST,  // ITEMIDLIST** optional
        pdtInner: *mut core::ffi::c_void,  // IDataObject* optional
        riid: *const GUID,  // GUID*
        ppv: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHCreateDataObject(IntPtr pidlFolder, uint cidl, IntPtr apidl, IntPtr pdtInner, ref Guid riid, IntPtr ppv);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHCreateDataObject' -Namespace Win32 -PassThru
# $api::SHCreateDataObject(pidlFolder, cidl, apidl, pdtInner, riid, ppv)

#uselib "SHELL32.dll"
#func global SHCreateDataObject "SHCreateDataObject" sptr, sptr, sptr, sptr, sptr, sptr
; SHCreateDataObject varptr(pidlFolder), cidl, varptr(apidl), pdtInner, varptr(riid), ppv   ; 戻り値は stat
; pidlFolder : ITEMIDLIST* optional -> "sptr"
; cidl : DWORD -> "sptr"
; apidl : ITEMIDLIST** optional -> "sptr"
; pdtInner : IDataObject* optional -> "sptr"
; riid : GUID* -> "sptr"
; ppv : void** 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 SHCreateDataObject "SHCreateDataObject" var, int, var, sptr, var, sptr
; res = SHCreateDataObject(pidlFolder, cidl, apidl, pdtInner, riid, ppv)
; pidlFolder : ITEMIDLIST* optional -> "var"
; cidl : DWORD -> "int"
; apidl : ITEMIDLIST** optional -> "var"
; pdtInner : IDataObject* optional -> "sptr"
; riid : GUID* -> "var"
; ppv : void** out -> "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。

; HRESULT SHCreateDataObject(ITEMIDLIST* pidlFolder, DWORD cidl, ITEMIDLIST** apidl, IDataObject* pdtInner, GUID* riid, void** ppv)
#uselib "SHELL32.dll"
#cfunc global SHCreateDataObject "SHCreateDataObject" var, int, var, intptr, var, intptr
; res = SHCreateDataObject(pidlFolder, cidl, apidl, pdtInner, riid, ppv)
; pidlFolder : ITEMIDLIST* optional -> "var"
; cidl : DWORD -> "int"
; apidl : ITEMIDLIST** optional -> "var"
; pdtInner : IDataObject* optional -> "intptr"
; riid : GUID* -> "var"
; ppv : void** out -> "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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHCreateDataObject = shell32.NewProc("SHCreateDataObject")
)

// pidlFolder (ITEMIDLIST* optional), cidl (DWORD), apidl (ITEMIDLIST** optional), pdtInner (IDataObject* optional), riid (GUID*), ppv (void** out)
r1, _, err := procSHCreateDataObject.Call(
	uintptr(pidlFolder),
	uintptr(cidl),
	uintptr(apidl),
	uintptr(pdtInner),
	uintptr(riid),
	uintptr(ppv),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHCreateDataObject(
  pidlFolder: Pointer;   // ITEMIDLIST* optional
  cidl: DWORD;   // DWORD
  apidl: Pointer;   // ITEMIDLIST** optional
  pdtInner: Pointer;   // IDataObject* optional
  riid: PGUID;   // GUID*
  ppv: Pointer   // void** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHCreateDataObject';

result := DllCall("SHELL32\SHCreateDataObject"
    , "Ptr", pidlFolder   ; ITEMIDLIST* optional
    , "UInt", cidl   ; DWORD
    , "Ptr", apidl   ; ITEMIDLIST** optional
    , "Ptr", pdtInner   ; IDataObject* optional
    , "Ptr", riid   ; GUID*
    , "Ptr", ppv   ; void** out
    , "Int")   ; return: HRESULT

●SHCreateDataObject(pidlFolder, cidl, apidl, pdtInner, riid, ppv) = DLL("SHELL32.dll", "int SHCreateDataObject(void*, dword, void*, void*, void*, void*)")
# 呼び出し: SHCreateDataObject(pidlFolder, cidl, apidl, pdtInner, riid, ppv)
# pidlFolder : ITEMIDLIST* optional -> "void*"
# cidl : DWORD -> "dword"
# apidl : ITEMIDLIST** optional -> "void*"
# pdtInner : IDataObject* optional -> "void*"
# riid : GUID* -> "void*"
# ppv : void** 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)。