PTOpenProviderEx

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

HRESULT PTOpenProviderEx(
    LPCWSTR pszPrinterName,
    DWORD dwMaxVersion,
    DWORD dwPrefVersion,
    HPTPROVIDER* phProvider,
    DWORD* pUsedVersion
);

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

' pszPrinterName : LPCWSTR
' dwMaxVersion : DWORD
' dwPrefVersion : DWORD
' phProvider : HPTPROVIDER* out
' pUsedVersion : DWORD* out
Declare PtrSafe Function PTOpenProviderEx Lib "prntvpt" ( _
    ByVal pszPrinterName As LongPtr, _
    ByVal dwMaxVersion As Long, _
    ByVal dwPrefVersion As Long, _
    ByVal phProvider As LongPtr, _
    ByRef pUsedVersion As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PTOpenProviderEx = ctypes.windll.prntvpt.PTOpenProviderEx
PTOpenProviderEx.restype = ctypes.c_int
PTOpenProviderEx.argtypes = [
    wintypes.LPCWSTR,  # pszPrinterName : LPCWSTR
    wintypes.DWORD,  # dwMaxVersion : DWORD
    wintypes.DWORD,  # dwPrefVersion : DWORD
    ctypes.c_void_p,  # phProvider : HPTPROVIDER* out
    ctypes.POINTER(wintypes.DWORD),  # pUsedVersion : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

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

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

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

#uselib "prntvpt.dll"
#func global PTOpenProviderEx "PTOpenProviderEx" sptr, sptr, sptr, sptr, sptr
; PTOpenProviderEx pszPrinterName, dwMaxVersion, dwPrefVersion, phProvider, varptr(pUsedVersion)   ; 戻り値は stat
; pszPrinterName : LPCWSTR -> "sptr"
; dwMaxVersion : DWORD -> "sptr"
; dwPrefVersion : DWORD -> "sptr"
; phProvider : HPTPROVIDER* out -> "sptr"
; pUsedVersion : DWORD* 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 PTOpenProviderEx "PTOpenProviderEx" wstr, int, int, sptr, var
; res = PTOpenProviderEx(pszPrinterName, dwMaxVersion, dwPrefVersion, phProvider, pUsedVersion)
; pszPrinterName : LPCWSTR -> "wstr"
; dwMaxVersion : DWORD -> "int"
; dwPrefVersion : DWORD -> "int"
; phProvider : HPTPROVIDER* out -> "sptr"
; pUsedVersion : DWORD* 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。

; HRESULT PTOpenProviderEx(LPCWSTR pszPrinterName, DWORD dwMaxVersion, DWORD dwPrefVersion, HPTPROVIDER* phProvider, DWORD* pUsedVersion)
#uselib "prntvpt.dll"
#cfunc global PTOpenProviderEx "PTOpenProviderEx" wstr, int, int, intptr, var
; res = PTOpenProviderEx(pszPrinterName, dwMaxVersion, dwPrefVersion, phProvider, pUsedVersion)
; pszPrinterName : LPCWSTR -> "wstr"
; dwMaxVersion : DWORD -> "int"
; dwPrefVersion : DWORD -> "int"
; phProvider : HPTPROVIDER* out -> "intptr"
; pUsedVersion : DWORD* 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 (
	prntvpt = windows.NewLazySystemDLL("prntvpt.dll")
	procPTOpenProviderEx = prntvpt.NewProc("PTOpenProviderEx")
)

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

function PTOpenProviderEx(
  pszPrinterName: PWideChar;   // LPCWSTR
  dwMaxVersion: DWORD;   // DWORD
  dwPrefVersion: DWORD;   // DWORD
  phProvider: Pointer;   // HPTPROVIDER* out
  pUsedVersion: Pointer   // DWORD* out
): Integer; stdcall;
  external 'prntvpt.dll' name 'PTOpenProviderEx';

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

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