IStream_WritePidl

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

HRESULT IStream_WritePidl(
    IStream* pstm,
    ITEMIDLIST* pidlWrite
);

<DllImport("SHLWAPI.dll", ExactSpelling:=True)>
Public Shared Function IStream_WritePidl(
    pstm As IntPtr,   ' IStream*
    pidlWrite As IntPtr   ' ITEMIDLIST*
) As Integer
End Function

' pstm : IStream*
' pidlWrite : ITEMIDLIST*
Declare PtrSafe Function IStream_WritePidl Lib "shlwapi" ( _
    ByVal pstm As LongPtr, _
    ByVal pidlWrite 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

IStream_WritePidl = ctypes.windll.shlwapi.IStream_WritePidl
IStream_WritePidl.restype = ctypes.c_int
IStream_WritePidl.argtypes = [
    ctypes.c_void_p,  # pstm : IStream*
    ctypes.c_void_p,  # pidlWrite : ITEMIDLIST*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
IStream_WritePidl = Fiddle::Function.new(
  lib['IStream_WritePidl'],
  [
    Fiddle::TYPE_VOIDP,  # pstm : IStream*
    Fiddle::TYPE_VOIDP,  # pidlWrite : ITEMIDLIST*
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn IStream_WritePidl(
        pstm: *mut core::ffi::c_void,  // IStream*
        pidlWrite: *mut ITEMIDLIST  // ITEMIDLIST*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll")]
public static extern int IStream_WritePidl(IntPtr pstm, IntPtr pidlWrite);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_IStream_WritePidl' -Namespace Win32 -PassThru
# $api::IStream_WritePidl(pstm, pidlWrite)

#uselib "SHLWAPI.dll"
#func global IStream_WritePidl "IStream_WritePidl" sptr, sptr
; IStream_WritePidl pstm, varptr(pidlWrite)   ; 戻り値は stat
; pstm : IStream* -> "sptr"
; pidlWrite : ITEMIDLIST* -> "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 "SHLWAPI.dll"
#cfunc global IStream_WritePidl "IStream_WritePidl" sptr, var
; res = IStream_WritePidl(pstm, pidlWrite)
; pstm : IStream* -> "sptr"
; pidlWrite : ITEMIDLIST* -> "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 IStream_WritePidl(IStream* pstm, ITEMIDLIST* pidlWrite)
#uselib "SHLWAPI.dll"
#cfunc global IStream_WritePidl "IStream_WritePidl" intptr, var
; res = IStream_WritePidl(pstm, pidlWrite)
; pstm : IStream* -> "intptr"
; pidlWrite : ITEMIDLIST* -> "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 (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procIStream_WritePidl = shlwapi.NewProc("IStream_WritePidl")
)

// pstm (IStream*), pidlWrite (ITEMIDLIST*)
r1, _, err := procIStream_WritePidl.Call(
	uintptr(pstm),
	uintptr(pidlWrite),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function IStream_WritePidl(
  pstm: Pointer;   // IStream*
  pidlWrite: Pointer   // ITEMIDLIST*
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'IStream_WritePidl';

result := DllCall("SHLWAPI\IStream_WritePidl"
    , "Ptr", pstm   ; IStream*
    , "Ptr", pidlWrite   ; ITEMIDLIST*
    , "Int")   ; return: HRESULT

●IStream_WritePidl(pstm, pidlWrite) = DLL("SHLWAPI.dll", "int IStream_WritePidl(void*, void*)")
# 呼び出し: IStream_WritePidl(pstm, pidlWrite)
# pstm : IStream* -> "void*"
# pidlWrite : ITEMIDLIST* -> "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)。