SetWinMetaFileBits

// GDI32.dll
#include <windows.h>

HENHMETAFILE SetWinMetaFileBits(
    DWORD nSize,
    const BYTE* lpMeta16Data,
    HDC hdcRef,   // optional
    const METAFILEPICT* lpMFP   // optional
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function SetWinMetaFileBits(
    nSize As UInteger,   ' DWORD
    lpMeta16Data As IntPtr,   ' BYTE*
    hdcRef As IntPtr,   ' HDC optional
    lpMFP As IntPtr   ' METAFILEPICT* optional
) As IntPtr
End Function

' nSize : DWORD
' lpMeta16Data : BYTE*
' hdcRef : HDC optional
' lpMFP : METAFILEPICT* optional
Declare PtrSafe Function SetWinMetaFileBits Lib "gdi32" ( _
    ByVal nSize As Long, _
    ByVal lpMeta16Data As LongPtr, _
    ByVal hdcRef As LongPtr, _
    ByVal lpMFP As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetWinMetaFileBits = ctypes.windll.gdi32.SetWinMetaFileBits
SetWinMetaFileBits.restype = ctypes.c_void_p
SetWinMetaFileBits.argtypes = [
    wintypes.DWORD,  # nSize : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # lpMeta16Data : BYTE*
    wintypes.HANDLE,  # hdcRef : HDC optional
    ctypes.c_void_p,  # lpMFP : METAFILEPICT* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
SetWinMetaFileBits = Fiddle::Function.new(
  lib['SetWinMetaFileBits'],
  [
    -Fiddle::TYPE_INT,  # nSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpMeta16Data : BYTE*
    Fiddle::TYPE_VOIDP,  # hdcRef : HDC optional
    Fiddle::TYPE_VOIDP,  # lpMFP : METAFILEPICT* optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "gdi32")]
extern "system" {
    fn SetWinMetaFileBits(
        nSize: u32,  // DWORD
        lpMeta16Data: *const u8,  // BYTE*
        hdcRef: *mut core::ffi::c_void,  // HDC optional
        lpMFP: *const METAFILEPICT  // METAFILEPICT* optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll")]
public static extern IntPtr SetWinMetaFileBits(uint nSize, IntPtr lpMeta16Data, IntPtr hdcRef, IntPtr lpMFP);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_SetWinMetaFileBits' -Namespace Win32 -PassThru
# $api::SetWinMetaFileBits(nSize, lpMeta16Data, hdcRef, lpMFP)

#uselib "GDI32.dll"
#func global SetWinMetaFileBits "SetWinMetaFileBits" sptr, sptr, sptr, sptr
; SetWinMetaFileBits nSize, varptr(lpMeta16Data), hdcRef, varptr(lpMFP)   ; 戻り値は stat
; nSize : DWORD -> "sptr"
; lpMeta16Data : BYTE* -> "sptr"
; hdcRef : HDC optional -> "sptr"
; lpMFP : METAFILEPICT* optional -> "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 "GDI32.dll"
#cfunc global SetWinMetaFileBits "SetWinMetaFileBits" int, var, sptr, var
; res = SetWinMetaFileBits(nSize, lpMeta16Data, hdcRef, lpMFP)
; nSize : DWORD -> "int"
; lpMeta16Data : BYTE* -> "var"
; hdcRef : HDC optional -> "sptr"
; lpMFP : METAFILEPICT* optional -> "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。

; HENHMETAFILE SetWinMetaFileBits(DWORD nSize, BYTE* lpMeta16Data, HDC hdcRef, METAFILEPICT* lpMFP)
#uselib "GDI32.dll"
#cfunc global SetWinMetaFileBits "SetWinMetaFileBits" int, var, intptr, var
; res = SetWinMetaFileBits(nSize, lpMeta16Data, hdcRef, lpMFP)
; nSize : DWORD -> "int"
; lpMeta16Data : BYTE* -> "var"
; hdcRef : HDC optional -> "intptr"
; lpMFP : METAFILEPICT* optional -> "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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procSetWinMetaFileBits = gdi32.NewProc("SetWinMetaFileBits")
)

// nSize (DWORD), lpMeta16Data (BYTE*), hdcRef (HDC optional), lpMFP (METAFILEPICT* optional)
r1, _, err := procSetWinMetaFileBits.Call(
	uintptr(nSize),
	uintptr(lpMeta16Data),
	uintptr(hdcRef),
	uintptr(lpMFP),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HENHMETAFILE

function SetWinMetaFileBits(
  nSize: DWORD;   // DWORD
  lpMeta16Data: Pointer;   // BYTE*
  hdcRef: THandle;   // HDC optional
  lpMFP: Pointer   // METAFILEPICT* optional
): THandle; stdcall;
  external 'GDI32.dll' name 'SetWinMetaFileBits';

result := DllCall("GDI32\SetWinMetaFileBits"
    , "UInt", nSize   ; DWORD
    , "Ptr", lpMeta16Data   ; BYTE*
    , "Ptr", hdcRef   ; HDC optional
    , "Ptr", lpMFP   ; METAFILEPICT* optional
    , "Ptr")   ; return: HENHMETAFILE

●SetWinMetaFileBits(nSize, lpMeta16Data, hdcRef, lpMFP) = DLL("GDI32.dll", "void* SetWinMetaFileBits(dword, void*, void*, void*)")
# 呼び出し: SetWinMetaFileBits(nSize, lpMeta16Data, hdcRef, lpMFP)
# nSize : DWORD -> "dword"
# lpMeta16Data : BYTE* -> "void*"
# hdcRef : HDC optional -> "void*"
# lpMFP : METAFILEPICT* optional -> "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)。