PTOpenProvider

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

HRESULT PTOpenProvider(
    LPCWSTR pszPrinterName,
    DWORD dwVersion,
    HPTPROVIDER* phProvider
);

<DllImport("prntvpt.dll", ExactSpelling:=True)>
Public Shared Function PTOpenProvider(
    <MarshalAs(UnmanagedType.LPWStr)> pszPrinterName As String,   ' LPCWSTR
    dwVersion As UInteger,   ' DWORD
    phProvider As IntPtr   ' HPTPROVIDER* out
) As Integer
End Function

' pszPrinterName : LPCWSTR
' dwVersion : DWORD
' phProvider : HPTPROVIDER* out
Declare PtrSafe Function PTOpenProvider Lib "prntvpt" ( _
    ByVal pszPrinterName As LongPtr, _
    ByVal dwVersion As Long, _
    ByVal phProvider 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

PTOpenProvider = ctypes.windll.prntvpt.PTOpenProvider
PTOpenProvider.restype = ctypes.c_int
PTOpenProvider.argtypes = [
    wintypes.LPCWSTR,  # pszPrinterName : LPCWSTR
    wintypes.DWORD,  # dwVersion : DWORD
    ctypes.c_void_p,  # phProvider : HPTPROVIDER* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('prntvpt.dll')
PTOpenProvider = Fiddle::Function.new(
  lib['PTOpenProvider'],
  [
    Fiddle::TYPE_VOIDP,  # pszPrinterName : LPCWSTR
    -Fiddle::TYPE_INT,  # dwVersion : DWORD
    Fiddle::TYPE_VOIDP,  # phProvider : HPTPROVIDER* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "prntvpt")]
extern "system" {
    fn PTOpenProvider(
        pszPrinterName: *const u16,  // LPCWSTR
        dwVersion: u32,  // DWORD
        phProvider: *mut *mut core::ffi::c_void  // HPTPROVIDER* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("prntvpt.dll")]
public static extern int PTOpenProvider([MarshalAs(UnmanagedType.LPWStr)] string pszPrinterName, uint dwVersion, IntPtr phProvider);
"@
$api = Add-Type -MemberDefinition $sig -Name 'prntvpt_PTOpenProvider' -Namespace Win32 -PassThru
# $api::PTOpenProvider(pszPrinterName, dwVersion, phProvider)

#uselib "prntvpt.dll"
#func global PTOpenProvider "PTOpenProvider" sptr, sptr, sptr
; PTOpenProvider pszPrinterName, dwVersion, phProvider   ; 戻り値は stat
; pszPrinterName : LPCWSTR -> "sptr"
; dwVersion : DWORD -> "sptr"
; phProvider : HPTPROVIDER* 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 "prntvpt.dll"
#cfunc global PTOpenProvider "PTOpenProvider" wstr, int, sptr
; res = PTOpenProvider(pszPrinterName, dwVersion, phProvider)
; pszPrinterName : LPCWSTR -> "wstr"
; dwVersion : DWORD -> "int"
; phProvider : HPTPROVIDER* out -> "sptr"

; HRESULT PTOpenProvider(LPCWSTR pszPrinterName, DWORD dwVersion, HPTPROVIDER* phProvider)
#uselib "prntvpt.dll"
#cfunc global PTOpenProvider "PTOpenProvider" wstr, int, intptr
; res = PTOpenProvider(pszPrinterName, dwVersion, phProvider)
; pszPrinterName : LPCWSTR -> "wstr"
; dwVersion : DWORD -> "int"
; phProvider : HPTPROVIDER* out -> "intptr"

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

var (
	prntvpt = windows.NewLazySystemDLL("prntvpt.dll")
	procPTOpenProvider = prntvpt.NewProc("PTOpenProvider")
)

// pszPrinterName (LPCWSTR), dwVersion (DWORD), phProvider (HPTPROVIDER* out)
r1, _, err := procPTOpenProvider.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPrinterName))),
	uintptr(dwVersion),
	uintptr(phProvider),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PTOpenProvider(
  pszPrinterName: PWideChar;   // LPCWSTR
  dwVersion: DWORD;   // DWORD
  phProvider: Pointer   // HPTPROVIDER* out
): Integer; stdcall;
  external 'prntvpt.dll' name 'PTOpenProvider';

result := DllCall("prntvpt\PTOpenProvider"
    , "WStr", pszPrinterName   ; LPCWSTR
    , "UInt", dwVersion   ; DWORD
    , "Ptr", phProvider   ; HPTPROVIDER* out
    , "Int")   ; return: HRESULT

●PTOpenProvider(pszPrinterName, dwVersion, phProvider) = DLL("prntvpt.dll", "int PTOpenProvider(char*, dword, void*)")
# 呼び出し: PTOpenProvider(pszPrinterName, dwVersion, phProvider)
# pszPrinterName : LPCWSTR -> "char*"
# dwVersion : DWORD -> "dword"
# phProvider : HPTPROVIDER* 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)。