GetSpoolFileHandle

// winspool.drv
#include <windows.h>

HANDLE GetSpoolFileHandle(
    PRINTER_HANDLE hPrinter
);

<DllImport("winspool.drv", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetSpoolFileHandle(
    hPrinter As PRINTER_HANDLE   ' PRINTER_HANDLE
) As IntPtr
End Function

' hPrinter : PRINTER_HANDLE
Declare PtrSafe Function GetSpoolFileHandle Lib "winspool.drv" ( _
    ByVal hPrinter 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

GetSpoolFileHandle = ctypes.windll.LoadLibrary("winspool.drv").GetSpoolFileHandle
GetSpoolFileHandle.restype = ctypes.c_void_p
GetSpoolFileHandle.argtypes = [
    PRINTER_HANDLE,  # hPrinter : PRINTER_HANDLE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
GetSpoolFileHandle = Fiddle::Function.new(
  lib['GetSpoolFileHandle'],
  [
    Fiddle::TYPE_VOIDP,  # hPrinter : PRINTER_HANDLE
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "winspool.drv")]
extern "system" {
    fn GetSpoolFileHandle(
        hPrinter: PRINTER_HANDLE  // PRINTER_HANDLE
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", SetLastError = true)]
public static extern IntPtr GetSpoolFileHandle(PRINTER_HANDLE hPrinter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_GetSpoolFileHandle' -Namespace Win32 -PassThru
# $api::GetSpoolFileHandle(hPrinter)

#uselib "winspool.drv"
#func global GetSpoolFileHandle "GetSpoolFileHandle" sptr
; GetSpoolFileHandle hPrinter   ; 戻り値は stat
; hPrinter : PRINTER_HANDLE -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "winspool.drv"
#cfunc global GetSpoolFileHandle "GetSpoolFileHandle" int
; res = GetSpoolFileHandle(hPrinter)
; hPrinter : PRINTER_HANDLE -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

; HANDLE GetSpoolFileHandle(PRINTER_HANDLE hPrinter)
#uselib "winspool.drv"
#cfunc global GetSpoolFileHandle "GetSpoolFileHandle" int
; res = GetSpoolFileHandle(hPrinter)
; hPrinter : PRINTER_HANDLE -> "int"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

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

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procGetSpoolFileHandle = winspool_drv.NewProc("GetSpoolFileHandle")
)

// hPrinter (PRINTER_HANDLE)
r1, _, err := procGetSpoolFileHandle.Call(
	uintptr(hPrinter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function GetSpoolFileHandle(
  hPrinter: PRINTER_HANDLE   // PRINTER_HANDLE
): THandle; stdcall;
  external 'winspool.drv' name 'GetSpoolFileHandle';

result := DllCall("winspool.drv\GetSpoolFileHandle"
    , "Ptr", hPrinter   ; PRINTER_HANDLE
    , "Ptr")   ; return: HANDLE

●GetSpoolFileHandle(hPrinter) = DLL("winspool.drv", "void* GetSpoolFileHandle(void*)")
# 呼び出し: GetSpoolFileHandle(hPrinter)
# hPrinter : PRINTER_HANDLE -> "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)。