GdiStartDocEMF

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

BOOL GdiStartDocEMF(
    HANDLE SpoolFileHandle,
    DOCINFOW* pDocInfo
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function GdiStartDocEMF(
    SpoolFileHandle As IntPtr,   ' HANDLE
    pDocInfo As IntPtr   ' DOCINFOW* in/out
) As Boolean
End Function

' SpoolFileHandle : HANDLE
' pDocInfo : DOCINFOW* in/out
Declare PtrSafe Function GdiStartDocEMF Lib "gdi32" ( _
    ByVal SpoolFileHandle As LongPtr, _
    ByVal pDocInfo 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

GdiStartDocEMF = ctypes.windll.gdi32.GdiStartDocEMF
GdiStartDocEMF.restype = wintypes.BOOL
GdiStartDocEMF.argtypes = [
    wintypes.HANDLE,  # SpoolFileHandle : HANDLE
    ctypes.c_void_p,  # pDocInfo : DOCINFOW* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
GdiStartDocEMF = Fiddle::Function.new(
  lib['GdiStartDocEMF'],
  [
    Fiddle::TYPE_VOIDP,  # SpoolFileHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # pDocInfo : DOCINFOW* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn GdiStartDocEMF(
        SpoolFileHandle: *mut core::ffi::c_void,  // HANDLE
        pDocInfo: *mut DOCINFOW  // DOCINFOW* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool GdiStartDocEMF(IntPtr SpoolFileHandle, IntPtr pDocInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_GdiStartDocEMF' -Namespace Win32 -PassThru
# $api::GdiStartDocEMF(SpoolFileHandle, pDocInfo)

#uselib "GDI32.dll"
#func global GdiStartDocEMF "GdiStartDocEMF" sptr, sptr
; GdiStartDocEMF SpoolFileHandle, varptr(pDocInfo)   ; 戻り値は stat
; SpoolFileHandle : HANDLE -> "sptr"
; pDocInfo : DOCINFOW* 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 "GDI32.dll"
#cfunc global GdiStartDocEMF "GdiStartDocEMF" sptr, var
; res = GdiStartDocEMF(SpoolFileHandle, pDocInfo)
; SpoolFileHandle : HANDLE -> "sptr"
; pDocInfo : DOCINFOW* in/out -> "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。

; BOOL GdiStartDocEMF(HANDLE SpoolFileHandle, DOCINFOW* pDocInfo)
#uselib "GDI32.dll"
#cfunc global GdiStartDocEMF "GdiStartDocEMF" intptr, var
; res = GdiStartDocEMF(SpoolFileHandle, pDocInfo)
; SpoolFileHandle : HANDLE -> "intptr"
; pDocInfo : DOCINFOW* in/out -> "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")
	procGdiStartDocEMF = gdi32.NewProc("GdiStartDocEMF")
)

// SpoolFileHandle (HANDLE), pDocInfo (DOCINFOW* in/out)
r1, _, err := procGdiStartDocEMF.Call(
	uintptr(SpoolFileHandle),
	uintptr(pDocInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GdiStartDocEMF(
  SpoolFileHandle: THandle;   // HANDLE
  pDocInfo: Pointer   // DOCINFOW* in/out
): BOOL; stdcall;
  external 'GDI32.dll' name 'GdiStartDocEMF';

result := DllCall("GDI32\GdiStartDocEMF"
    , "Ptr", SpoolFileHandle   ; HANDLE
    , "Ptr", pDocInfo   ; DOCINFOW* in/out
    , "Int")   ; return: BOOL

●GdiStartDocEMF(SpoolFileHandle, pDocInfo) = DLL("GDI32.dll", "bool GdiStartDocEMF(void*, void*)")
# 呼び出し: GdiStartDocEMF(SpoolFileHandle, pDocInfo)
# SpoolFileHandle : HANDLE -> "void*"
# pDocInfo : DOCINFOW* 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)。