RoGetBufferMarshaler

// api-ms-win-core-winrt-robuffer-l1-1-0.dll
#include <windows.h>

HRESULT RoGetBufferMarshaler(
    IMarshal** bufferMarshaler
);

<DllImport("api-ms-win-core-winrt-robuffer-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function RoGetBufferMarshaler(
    bufferMarshaler As IntPtr   ' IMarshal** out
) As Integer
End Function

' bufferMarshaler : IMarshal** out
Declare PtrSafe Function RoGetBufferMarshaler Lib "api-ms-win-core-winrt-robuffer-l1-1-0" ( _
    ByVal bufferMarshaler 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

RoGetBufferMarshaler = ctypes.windll.LoadLibrary("api-ms-win-core-winrt-robuffer-l1-1-0.dll").RoGetBufferMarshaler
RoGetBufferMarshaler.restype = ctypes.c_int
RoGetBufferMarshaler.argtypes = [
    ctypes.c_void_p,  # bufferMarshaler : IMarshal** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-winrt-robuffer-l1-1-0.dll')
RoGetBufferMarshaler = Fiddle::Function.new(
  lib['RoGetBufferMarshaler'],
  [
    Fiddle::TYPE_VOIDP,  # bufferMarshaler : IMarshal** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-winrt-robuffer-l1-1-0")]
extern "system" {
    fn RoGetBufferMarshaler(
        bufferMarshaler: *mut *mut core::ffi::c_void  // IMarshal** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-winrt-robuffer-l1-1-0.dll")]
public static extern int RoGetBufferMarshaler(IntPtr bufferMarshaler);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-winrt-robuffer-l1-1-0_RoGetBufferMarshaler' -Namespace Win32 -PassThru
# $api::RoGetBufferMarshaler(bufferMarshaler)

#uselib "api-ms-win-core-winrt-robuffer-l1-1-0.dll"
#func global RoGetBufferMarshaler "RoGetBufferMarshaler" sptr
; RoGetBufferMarshaler bufferMarshaler   ; 戻り値は stat
; bufferMarshaler : IMarshal** 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 "api-ms-win-core-winrt-robuffer-l1-1-0.dll"
#cfunc global RoGetBufferMarshaler "RoGetBufferMarshaler" sptr
; res = RoGetBufferMarshaler(bufferMarshaler)
; bufferMarshaler : IMarshal** out -> "sptr"

; HRESULT RoGetBufferMarshaler(IMarshal** bufferMarshaler)
#uselib "api-ms-win-core-winrt-robuffer-l1-1-0.dll"
#cfunc global RoGetBufferMarshaler "RoGetBufferMarshaler" intptr
; res = RoGetBufferMarshaler(bufferMarshaler)
; bufferMarshaler : IMarshal** out -> "intptr"

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

var (
	api_ms_win_core_winrt_robuffer_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-winrt-robuffer-l1-1-0.dll")
	procRoGetBufferMarshaler = api_ms_win_core_winrt_robuffer_l1_1_0.NewProc("RoGetBufferMarshaler")
)

// bufferMarshaler (IMarshal** out)
r1, _, err := procRoGetBufferMarshaler.Call(
	uintptr(bufferMarshaler),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RoGetBufferMarshaler(
  bufferMarshaler: Pointer   // IMarshal** out
): Integer; stdcall;
  external 'api-ms-win-core-winrt-robuffer-l1-1-0.dll' name 'RoGetBufferMarshaler';

result := DllCall("api-ms-win-core-winrt-robuffer-l1-1-0\RoGetBufferMarshaler"
    , "Ptr", bufferMarshaler   ; IMarshal** out
    , "Int")   ; return: HRESULT

●RoGetBufferMarshaler(bufferMarshaler) = DLL("api-ms-win-core-winrt-robuffer-l1-1-0.dll", "int RoGetBufferMarshaler(void*)")
# 呼び出し: RoGetBufferMarshaler(bufferMarshaler)
# bufferMarshaler : IMarshal** 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)。