CopyEnhMetaFileA

// GDI32.dll  (ANSI / -A)
#include <windows.h>

HENHMETAFILE CopyEnhMetaFileA(
    HENHMETAFILE hEnh,
    LPCSTR lpFileName   // optional
);

<DllImport("GDI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function CopyEnhMetaFileA(
    hEnh As IntPtr,   ' HENHMETAFILE
    <MarshalAs(UnmanagedType.LPStr)> lpFileName As String   ' LPCSTR optional
) As IntPtr
End Function

' hEnh : HENHMETAFILE
' lpFileName : LPCSTR optional
Declare PtrSafe Function CopyEnhMetaFileA Lib "gdi32" ( _
    ByVal hEnh As LongPtr, _
    ByVal lpFileName As String) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CopyEnhMetaFileA = ctypes.windll.gdi32.CopyEnhMetaFileA
CopyEnhMetaFileA.restype = ctypes.c_void_p
CopyEnhMetaFileA.argtypes = [
    wintypes.HANDLE,  # hEnh : HENHMETAFILE
    wintypes.LPCSTR,  # lpFileName : LPCSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
CopyEnhMetaFileA = Fiddle::Function.new(
  lib['CopyEnhMetaFileA'],
  [
    Fiddle::TYPE_VOIDP,  # hEnh : HENHMETAFILE
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCSTR optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "gdi32")]
extern "system" {
    fn CopyEnhMetaFileA(
        hEnh: *mut core::ffi::c_void,  // HENHMETAFILE
        lpFileName: *const u8  // LPCSTR optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll", CharSet = CharSet.Ansi)]
public static extern IntPtr CopyEnhMetaFileA(IntPtr hEnh, [MarshalAs(UnmanagedType.LPStr)] string lpFileName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_CopyEnhMetaFileA' -Namespace Win32 -PassThru
# $api::CopyEnhMetaFileA(hEnh, lpFileName)

#uselib "GDI32.dll"
#func global CopyEnhMetaFileA "CopyEnhMetaFileA" sptr, sptr
; CopyEnhMetaFileA hEnh, lpFileName   ; 戻り値は stat
; hEnh : HENHMETAFILE -> "sptr"
; lpFileName : LPCSTR 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 CopyEnhMetaFileA "CopyEnhMetaFileA" sptr, str
; res = CopyEnhMetaFileA(hEnh, lpFileName)
; hEnh : HENHMETAFILE -> "sptr"
; lpFileName : LPCSTR optional -> "str"

; HENHMETAFILE CopyEnhMetaFileA(HENHMETAFILE hEnh, LPCSTR lpFileName)
#uselib "GDI32.dll"
#cfunc global CopyEnhMetaFileA "CopyEnhMetaFileA" intptr, str
; res = CopyEnhMetaFileA(hEnh, lpFileName)
; hEnh : HENHMETAFILE -> "intptr"
; lpFileName : LPCSTR optional -> "str"

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

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procCopyEnhMetaFileA = gdi32.NewProc("CopyEnhMetaFileA")
)

// hEnh (HENHMETAFILE), lpFileName (LPCSTR optional)
r1, _, err := procCopyEnhMetaFileA.Call(
	uintptr(hEnh),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpFileName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HENHMETAFILE

function CopyEnhMetaFileA(
  hEnh: THandle;   // HENHMETAFILE
  lpFileName: PAnsiChar   // LPCSTR optional
): THandle; stdcall;
  external 'GDI32.dll' name 'CopyEnhMetaFileA';

result := DllCall("GDI32\CopyEnhMetaFileA"
    , "Ptr", hEnh   ; HENHMETAFILE
    , "AStr", lpFileName   ; LPCSTR optional
    , "Ptr")   ; return: HENHMETAFILE

●CopyEnhMetaFileA(hEnh, lpFileName) = DLL("GDI32.dll", "void* CopyEnhMetaFileA(void*, char*)")
# 呼び出し: CopyEnhMetaFileA(hEnh, lpFileName)
# hEnh : HENHMETAFILE -> "void*"
# lpFileName : LPCSTR optional -> "char*"
# 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)。