GdipGetHemfFromMetafile

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

Status GdipGetHemfFromMetafile(
    GpMetafile* metafile,
    HENHMETAFILE* hEmf
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetHemfFromMetafile(
    metafile As IntPtr,   ' GpMetafile* in/out
    hEmf As IntPtr   ' HENHMETAFILE* in/out
) As Integer
End Function

' metafile : GpMetafile* in/out
' hEmf : HENHMETAFILE* in/out
Declare PtrSafe Function GdipGetHemfFromMetafile Lib "gdiplus" ( _
    ByVal metafile As LongPtr, _
    ByVal hEmf 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

GdipGetHemfFromMetafile = ctypes.windll.gdiplus.GdipGetHemfFromMetafile
GdipGetHemfFromMetafile.restype = ctypes.c_int
GdipGetHemfFromMetafile.argtypes = [
    ctypes.c_void_p,  # metafile : GpMetafile* in/out
    ctypes.c_void_p,  # hEmf : HENHMETAFILE* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipGetHemfFromMetafile = Fiddle::Function.new(
  lib['GdipGetHemfFromMetafile'],
  [
    Fiddle::TYPE_VOIDP,  # metafile : GpMetafile* in/out
    Fiddle::TYPE_VOIDP,  # hEmf : HENHMETAFILE* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipGetHemfFromMetafile(
        metafile: *mut GpMetafile,  // GpMetafile* in/out
        hEmf: *mut *mut core::ffi::c_void  // HENHMETAFILE* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetHemfFromMetafile(IntPtr metafile, IntPtr hEmf);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetHemfFromMetafile' -Namespace Win32 -PassThru
# $api::GdipGetHemfFromMetafile(metafile, hEmf)

#uselib "gdiplus.dll"
#func global GdipGetHemfFromMetafile "GdipGetHemfFromMetafile" sptr, sptr
; GdipGetHemfFromMetafile varptr(metafile), hEmf   ; 戻り値は stat
; metafile : GpMetafile* in/out -> "sptr"
; hEmf : HENHMETAFILE* in/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 "gdiplus.dll"
#cfunc global GdipGetHemfFromMetafile "GdipGetHemfFromMetafile" var, sptr
; res = GdipGetHemfFromMetafile(metafile, hEmf)
; metafile : GpMetafile* in/out -> "var"
; hEmf : HENHMETAFILE* in/out -> "sptr"
; ※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。

; Status GdipGetHemfFromMetafile(GpMetafile* metafile, HENHMETAFILE* hEmf)
#uselib "gdiplus.dll"
#cfunc global GdipGetHemfFromMetafile "GdipGetHemfFromMetafile" var, intptr
; res = GdipGetHemfFromMetafile(metafile, hEmf)
; metafile : GpMetafile* in/out -> "var"
; hEmf : HENHMETAFILE* in/out -> "intptr"
; ※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 (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipGetHemfFromMetafile = gdiplus.NewProc("GdipGetHemfFromMetafile")
)

// metafile (GpMetafile* in/out), hEmf (HENHMETAFILE* in/out)
r1, _, err := procGdipGetHemfFromMetafile.Call(
	uintptr(metafile),
	uintptr(hEmf),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipGetHemfFromMetafile(
  metafile: Pointer;   // GpMetafile* in/out
  hEmf: Pointer   // HENHMETAFILE* in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipGetHemfFromMetafile';

result := DllCall("gdiplus\GdipGetHemfFromMetafile"
    , "Ptr", metafile   ; GpMetafile* in/out
    , "Ptr", hEmf   ; HENHMETAFILE* in/out
    , "Int")   ; return: Status

●GdipGetHemfFromMetafile(metafile, hEmf) = DLL("gdiplus.dll", "int GdipGetHemfFromMetafile(void*, void*)")
# 呼び出し: GdipGetHemfFromMetafile(metafile, hEmf)
# metafile : GpMetafile* in/out -> "void*"
# hEmf : HENHMETAFILE* in/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)。