CreateStreamOnHGlobal

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

HRESULT CreateStreamOnHGlobal(
    HGLOBAL hGlobal,   // optional
    BOOL fDeleteOnRelease,
    IStream** ppstm
);

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

' hGlobal : HGLOBAL optional
' fDeleteOnRelease : BOOL
' ppstm : IStream** out
Declare PtrSafe Function CreateStreamOnHGlobal Lib "ole32" ( _
    ByVal hGlobal As LongPtr, _
    ByVal fDeleteOnRelease As Long, _
    ByVal ppstm 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

CreateStreamOnHGlobal = ctypes.windll.ole32.CreateStreamOnHGlobal
CreateStreamOnHGlobal.restype = ctypes.c_int
CreateStreamOnHGlobal.argtypes = [
    wintypes.HANDLE,  # hGlobal : HGLOBAL optional
    wintypes.BOOL,  # fDeleteOnRelease : BOOL
    ctypes.c_void_p,  # ppstm : IStream** out
]

require 'fiddle'
require 'fiddle/import'

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

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

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CreateStreamOnHGlobal(IntPtr hGlobal, bool fDeleteOnRelease, IntPtr ppstm);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CreateStreamOnHGlobal' -Namespace Win32 -PassThru
# $api::CreateStreamOnHGlobal(hGlobal, fDeleteOnRelease, ppstm)

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

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

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCreateStreamOnHGlobal = ole32.NewProc("CreateStreamOnHGlobal")
)

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

function CreateStreamOnHGlobal(
  hGlobal: THandle;   // HGLOBAL optional
  fDeleteOnRelease: BOOL;   // BOOL
  ppstm: Pointer   // IStream** out
): Integer; stdcall;
  external 'OLE32.dll' name 'CreateStreamOnHGlobal';

result := DllCall("OLE32\CreateStreamOnHGlobal"
    , "Ptr", hGlobal   ; HGLOBAL optional
    , "Int", fDeleteOnRelease   ; BOOL
    , "Ptr", ppstm   ; IStream** out
    , "Int")   ; return: HRESULT

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