CreateILockBytesOnHGlobal

// OLE32.dll
#include <windows.h>

HRESULT CreateILockBytesOnHGlobal(
    HGLOBAL hGlobal,   // optional
    BOOL fDeleteOnRelease,
    ILockBytes** pplkbyt
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CreateILockBytesOnHGlobal(
    hGlobal As IntPtr,   ' HGLOBAL optional
    fDeleteOnRelease As Boolean,   ' BOOL
    pplkbyt As IntPtr   ' ILockBytes** out
) As Integer
End Function

' hGlobal : HGLOBAL optional
' fDeleteOnRelease : BOOL
' pplkbyt : ILockBytes** out
Declare PtrSafe Function CreateILockBytesOnHGlobal Lib "ole32" ( _
    ByVal hGlobal As LongPtr, _
    ByVal fDeleteOnRelease As Long, _
    ByVal pplkbyt 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

CreateILockBytesOnHGlobal = ctypes.windll.ole32.CreateILockBytesOnHGlobal
CreateILockBytesOnHGlobal.restype = ctypes.c_int
CreateILockBytesOnHGlobal.argtypes = [
    wintypes.HANDLE,  # hGlobal : HGLOBAL optional
    wintypes.BOOL,  # fDeleteOnRelease : BOOL
    ctypes.c_void_p,  # pplkbyt : ILockBytes** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CreateILockBytesOnHGlobal = Fiddle::Function.new(
  lib['CreateILockBytesOnHGlobal'],
  [
    Fiddle::TYPE_VOIDP,  # hGlobal : HGLOBAL optional
    Fiddle::TYPE_INT,  # fDeleteOnRelease : BOOL
    Fiddle::TYPE_VOIDP,  # pplkbyt : ILockBytes** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CreateILockBytesOnHGlobal(
        hGlobal: *mut core::ffi::c_void,  // HGLOBAL optional
        fDeleteOnRelease: i32,  // BOOL
        pplkbyt: *mut *mut core::ffi::c_void  // ILockBytes** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CreateILockBytesOnHGlobal(IntPtr hGlobal, bool fDeleteOnRelease, IntPtr pplkbyt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CreateILockBytesOnHGlobal' -Namespace Win32 -PassThru
# $api::CreateILockBytesOnHGlobal(hGlobal, fDeleteOnRelease, pplkbyt)

#uselib "OLE32.dll"
#func global CreateILockBytesOnHGlobal "CreateILockBytesOnHGlobal" sptr, sptr, sptr
; CreateILockBytesOnHGlobal hGlobal, fDeleteOnRelease, pplkbyt   ; 戻り値は stat
; hGlobal : HGLOBAL optional -> "sptr"
; fDeleteOnRelease : BOOL -> "sptr"
; pplkbyt : ILockBytes** 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 "OLE32.dll"
#cfunc global CreateILockBytesOnHGlobal "CreateILockBytesOnHGlobal" sptr, int, sptr
; res = CreateILockBytesOnHGlobal(hGlobal, fDeleteOnRelease, pplkbyt)
; hGlobal : HGLOBAL optional -> "sptr"
; fDeleteOnRelease : BOOL -> "int"
; pplkbyt : ILockBytes** out -> "sptr"

; HRESULT CreateILockBytesOnHGlobal(HGLOBAL hGlobal, BOOL fDeleteOnRelease, ILockBytes** pplkbyt)
#uselib "OLE32.dll"
#cfunc global CreateILockBytesOnHGlobal "CreateILockBytesOnHGlobal" intptr, int, intptr
; res = CreateILockBytesOnHGlobal(hGlobal, fDeleteOnRelease, pplkbyt)
; hGlobal : HGLOBAL optional -> "intptr"
; fDeleteOnRelease : BOOL -> "int"
; pplkbyt : ILockBytes** out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCreateILockBytesOnHGlobal = ole32.NewProc("CreateILockBytesOnHGlobal")
)

// hGlobal (HGLOBAL optional), fDeleteOnRelease (BOOL), pplkbyt (ILockBytes** out)
r1, _, err := procCreateILockBytesOnHGlobal.Call(
	uintptr(hGlobal),
	uintptr(fDeleteOnRelease),
	uintptr(pplkbyt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CreateILockBytesOnHGlobal(
  hGlobal: THandle;   // HGLOBAL optional
  fDeleteOnRelease: BOOL;   // BOOL
  pplkbyt: Pointer   // ILockBytes** out
): Integer; stdcall;
  external 'OLE32.dll' name 'CreateILockBytesOnHGlobal';

result := DllCall("OLE32\CreateILockBytesOnHGlobal"
    , "Ptr", hGlobal   ; HGLOBAL optional
    , "Int", fDeleteOnRelease   ; BOOL
    , "Ptr", pplkbyt   ; ILockBytes** out
    , "Int")   ; return: HRESULT

●CreateILockBytesOnHGlobal(hGlobal, fDeleteOnRelease, pplkbyt) = DLL("OLE32.dll", "int CreateILockBytesOnHGlobal(void*, bool, void*)")
# 呼び出し: CreateILockBytesOnHGlobal(hGlobal, fDeleteOnRelease, pplkbyt)
# hGlobal : HGLOBAL optional -> "void*"
# fDeleteOnRelease : BOOL -> "bool"
# pplkbyt : ILockBytes** 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)。