AddPrinterDriverExW

// winspool.drv  (Unicode / -W)
#include <windows.h>

BOOL AddPrinterDriverExW(
    LPCWSTR pName,   // optional
    DWORD Level,
    BYTE* lpbDriverInfo,
    DWORD dwFileCopyFlags
);

<DllImport("winspool.drv", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function AddPrinterDriverExW(
    <MarshalAs(UnmanagedType.LPWStr)> pName As String,   ' LPCWSTR optional
    Level As UInteger,   ' DWORD
    lpbDriverInfo As IntPtr,   ' BYTE*
    dwFileCopyFlags As UInteger   ' DWORD
) As Boolean
End Function

' pName : LPCWSTR optional
' Level : DWORD
' lpbDriverInfo : BYTE*
' dwFileCopyFlags : DWORD
Declare PtrSafe Function AddPrinterDriverExW Lib "winspool.drv" ( _
    ByVal pName As LongPtr, _
    ByVal Level As Long, _
    ByVal lpbDriverInfo As LongPtr, _
    ByVal dwFileCopyFlags As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

AddPrinterDriverExW = ctypes.windll.LoadLibrary("winspool.drv").AddPrinterDriverExW
AddPrinterDriverExW.restype = wintypes.BOOL
AddPrinterDriverExW.argtypes = [
    wintypes.LPCWSTR,  # pName : LPCWSTR optional
    wintypes.DWORD,  # Level : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # lpbDriverInfo : BYTE*
    wintypes.DWORD,  # dwFileCopyFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
AddPrinterDriverExW = Fiddle::Function.new(
  lib['AddPrinterDriverExW'],
  [
    Fiddle::TYPE_VOIDP,  # pName : LPCWSTR optional
    -Fiddle::TYPE_INT,  # Level : DWORD
    Fiddle::TYPE_VOIDP,  # lpbDriverInfo : BYTE*
    -Fiddle::TYPE_INT,  # dwFileCopyFlags : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winspool.drv")]
extern "system" {
    fn AddPrinterDriverExW(
        pName: *const u16,  // LPCWSTR optional
        Level: u32,  // DWORD
        lpbDriverInfo: *mut u8,  // BYTE*
        dwFileCopyFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Unicode)]
public static extern bool AddPrinterDriverExW([MarshalAs(UnmanagedType.LPWStr)] string pName, uint Level, IntPtr lpbDriverInfo, uint dwFileCopyFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_AddPrinterDriverExW' -Namespace Win32 -PassThru
# $api::AddPrinterDriverExW(pName, Level, lpbDriverInfo, dwFileCopyFlags)

#uselib "winspool.drv"
#func global AddPrinterDriverExW "AddPrinterDriverExW" wptr, wptr, wptr, wptr
; AddPrinterDriverExW pName, Level, varptr(lpbDriverInfo), dwFileCopyFlags   ; 戻り値は stat
; pName : LPCWSTR optional -> "wptr"
; Level : DWORD -> "wptr"
; lpbDriverInfo : BYTE* -> "wptr"
; dwFileCopyFlags : DWORD -> "wptr"
; ※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 AddPrinterDriverExW "AddPrinterDriverExW" wstr, int, var, int
; res = AddPrinterDriverExW(pName, Level, lpbDriverInfo, dwFileCopyFlags)
; pName : LPCWSTR optional -> "wstr"
; Level : DWORD -> "int"
; lpbDriverInfo : BYTE* -> "var"
; dwFileCopyFlags : DWORD -> "int"
; ※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 AddPrinterDriverExW(LPCWSTR pName, DWORD Level, BYTE* lpbDriverInfo, DWORD dwFileCopyFlags)
#uselib "winspool.drv"
#cfunc global AddPrinterDriverExW "AddPrinterDriverExW" wstr, int, var, int
; res = AddPrinterDriverExW(pName, Level, lpbDriverInfo, dwFileCopyFlags)
; pName : LPCWSTR optional -> "wstr"
; Level : DWORD -> "int"
; lpbDriverInfo : BYTE* -> "var"
; dwFileCopyFlags : DWORD -> "int"
; ※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 (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procAddPrinterDriverExW = winspool_drv.NewProc("AddPrinterDriverExW")
)

// pName (LPCWSTR optional), Level (DWORD), lpbDriverInfo (BYTE*), dwFileCopyFlags (DWORD)
r1, _, err := procAddPrinterDriverExW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pName))),
	uintptr(Level),
	uintptr(lpbDriverInfo),
	uintptr(dwFileCopyFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function AddPrinterDriverExW(
  pName: PWideChar;   // LPCWSTR optional
  Level: DWORD;   // DWORD
  lpbDriverInfo: Pointer;   // BYTE*
  dwFileCopyFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'winspool.drv' name 'AddPrinterDriverExW';

result := DllCall("winspool.drv\AddPrinterDriverExW"
    , "WStr", pName   ; LPCWSTR optional
    , "UInt", Level   ; DWORD
    , "Ptr", lpbDriverInfo   ; BYTE*
    , "UInt", dwFileCopyFlags   ; DWORD
    , "Int")   ; return: BOOL

●AddPrinterDriverExW(pName, Level, lpbDriverInfo, dwFileCopyFlags) = DLL("winspool.drv", "bool AddPrinterDriverExW(char*, dword, void*, dword)")
# 呼び出し: AddPrinterDriverExW(pName, Level, lpbDriverInfo, dwFileCopyFlags)
# pName : LPCWSTR optional -> "char*"
# Level : DWORD -> "dword"
# lpbDriverInfo : BYTE* -> "void*"
# dwFileCopyFlags : DWORD -> "dword"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。