DeletePrinterDriverPackageW

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

HRESULT DeletePrinterDriverPackageW(
    LPCWSTR pszServer,   // optional
    LPCWSTR pszInfPath,
    LPCWSTR pszEnvironment   // optional
);

<DllImport("winspool.drv", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function DeletePrinterDriverPackageW(
    <MarshalAs(UnmanagedType.LPWStr)> pszServer As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> pszInfPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pszEnvironment As String   ' LPCWSTR optional
) As Integer
End Function

' pszServer : LPCWSTR optional
' pszInfPath : LPCWSTR
' pszEnvironment : LPCWSTR optional
Declare PtrSafe Function DeletePrinterDriverPackageW Lib "winspool.drv" ( _
    ByVal pszServer As LongPtr, _
    ByVal pszInfPath As LongPtr, _
    ByVal pszEnvironment As LongPtr) 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

DeletePrinterDriverPackageW = ctypes.windll.LoadLibrary("winspool.drv").DeletePrinterDriverPackageW
DeletePrinterDriverPackageW.restype = ctypes.c_int
DeletePrinterDriverPackageW.argtypes = [
    wintypes.LPCWSTR,  # pszServer : LPCWSTR optional
    wintypes.LPCWSTR,  # pszInfPath : LPCWSTR
    wintypes.LPCWSTR,  # pszEnvironment : LPCWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
DeletePrinterDriverPackageW = Fiddle::Function.new(
  lib['DeletePrinterDriverPackageW'],
  [
    Fiddle::TYPE_VOIDP,  # pszServer : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pszInfPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pszEnvironment : LPCWSTR optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winspool.drv")]
extern "system" {
    fn DeletePrinterDriverPackageW(
        pszServer: *const u16,  // LPCWSTR optional
        pszInfPath: *const u16,  // LPCWSTR
        pszEnvironment: *const u16  // LPCWSTR optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", CharSet = CharSet.Unicode)]
public static extern int DeletePrinterDriverPackageW([MarshalAs(UnmanagedType.LPWStr)] string pszServer, [MarshalAs(UnmanagedType.LPWStr)] string pszInfPath, [MarshalAs(UnmanagedType.LPWStr)] string pszEnvironment);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_DeletePrinterDriverPackageW' -Namespace Win32 -PassThru
# $api::DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)

#uselib "winspool.drv"
#func global DeletePrinterDriverPackageW "DeletePrinterDriverPackageW" wptr, wptr, wptr
; DeletePrinterDriverPackageW pszServer, pszInfPath, pszEnvironment   ; 戻り値は stat
; pszServer : LPCWSTR optional -> "wptr"
; pszInfPath : LPCWSTR -> "wptr"
; pszEnvironment : LPCWSTR optional -> "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 DeletePrinterDriverPackageW "DeletePrinterDriverPackageW" wstr, wstr, wstr
; res = DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
; pszServer : LPCWSTR optional -> "wstr"
; pszInfPath : LPCWSTR -> "wstr"
; pszEnvironment : LPCWSTR optional -> "wstr"

; HRESULT DeletePrinterDriverPackageW(LPCWSTR pszServer, LPCWSTR pszInfPath, LPCWSTR pszEnvironment)
#uselib "winspool.drv"
#cfunc global DeletePrinterDriverPackageW "DeletePrinterDriverPackageW" wstr, wstr, wstr
; res = DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
; pszServer : LPCWSTR optional -> "wstr"
; pszInfPath : LPCWSTR -> "wstr"
; pszEnvironment : LPCWSTR optional -> "wstr"

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

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procDeletePrinterDriverPackageW = winspool_drv.NewProc("DeletePrinterDriverPackageW")
)

// pszServer (LPCWSTR optional), pszInfPath (LPCWSTR), pszEnvironment (LPCWSTR optional)
r1, _, err := procDeletePrinterDriverPackageW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszServer))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszInfPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszEnvironment))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DeletePrinterDriverPackageW(
  pszServer: PWideChar;   // LPCWSTR optional
  pszInfPath: PWideChar;   // LPCWSTR
  pszEnvironment: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'winspool.drv' name 'DeletePrinterDriverPackageW';

result := DllCall("winspool.drv\DeletePrinterDriverPackageW"
    , "WStr", pszServer   ; LPCWSTR optional
    , "WStr", pszInfPath   ; LPCWSTR
    , "WStr", pszEnvironment   ; LPCWSTR optional
    , "Int")   ; return: HRESULT

●DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment) = DLL("winspool.drv", "int DeletePrinterDriverPackageW(char*, char*, char*)")
# 呼び出し: DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
# pszServer : LPCWSTR optional -> "char*"
# pszInfPath : LPCWSTR -> "char*"
# pszEnvironment : LPCWSTR optional -> "char*"
# 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。

const std = @import("std");

extern "winspool.drv" fn DeletePrinterDriverPackageW(
    pszServer: [*c]const u16, // LPCWSTR optional
    pszInfPath: [*c]const u16, // LPCWSTR
    pszEnvironment: [*c]const u16 // LPCWSTR optional
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc DeletePrinterDriverPackageW(
    pszServer: WideCString,  # LPCWSTR optional
    pszInfPath: WideCString,  # LPCWSTR
    pszEnvironment: WideCString  # LPCWSTR optional
): int32 {.importc: "DeletePrinterDriverPackageW", stdcall, dynlib: "winspool.drv".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "winspool.drv");
extern(Windows)
int DeletePrinterDriverPackageW(
    const(wchar)* pszServer,   // LPCWSTR optional
    const(wchar)* pszInfPath,   // LPCWSTR
    const(wchar)* pszEnvironment   // LPCWSTR optional
);

ccall((:DeletePrinterDriverPackageW, "winspool.drv"), stdcall, Int32,
      (Cwstring, Cwstring, Cwstring),
      pszServer, pszInfPath, pszEnvironment)
# pszServer : LPCWSTR optional -> Cwstring
# pszInfPath : LPCWSTR -> Cwstring
# pszEnvironment : LPCWSTR optional -> Cwstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t DeletePrinterDriverPackageW(
    const uint16_t* pszServer,
    const uint16_t* pszInfPath,
    const uint16_t* pszEnvironment);
]]
local winspool.drv = ffi.load("winspool.drv")
-- winspool.drv.DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
-- pszServer : LPCWSTR optional
-- pszInfPath : LPCWSTR
-- pszEnvironment : LPCWSTR optional
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('winspool.drv');
const DeletePrinterDriverPackageW = lib.func('__stdcall', 'DeletePrinterDriverPackageW', 'int32_t', ['str16', 'str16', 'str16']);
// DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
// pszServer : LPCWSTR optional -> 'str16'
// pszInfPath : LPCWSTR -> 'str16'
// pszEnvironment : LPCWSTR optional -> 'str16'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("winspool.drv", {
  DeletePrinterDriverPackageW: { parameters: ["buffer", "buffer", "buffer"], result: "i32" },
});
// lib.symbols.DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment)
// pszServer : LPCWSTR optional -> "buffer"
// pszInfPath : LPCWSTR -> "buffer"
// pszEnvironment : LPCWSTR optional -> "buffer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t DeletePrinterDriverPackageW(
    const uint16_t* pszServer,
    const uint16_t* pszInfPath,
    const uint16_t* pszEnvironment);
C, "winspool.drv");
// $ffi->DeletePrinterDriverPackageW(pszServer, pszInfPath, pszEnvironment);
// pszServer : LPCWSTR optional
// pszInfPath : LPCWSTR
// pszEnvironment : LPCWSTR optional
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Winspool.drv extends StdCallLibrary {
    Winspool.drv INSTANCE = Native.load("winspool.drv", Winspool.drv.class, W32APIOptions.UNICODE_OPTIONS);
    int DeletePrinterDriverPackageW(
        WString pszServer,   // LPCWSTR optional
        WString pszInfPath,   // LPCWSTR
        WString pszEnvironment   // LPCWSTR optional
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("winspool.drv")]
lib Libwinspool.drv
  fun DeletePrinterDriverPackageW = DeletePrinterDriverPackageW(
    pszServer : UInt16*,   # LPCWSTR optional
    pszInfPath : UInt16*,   # LPCWSTR
    pszEnvironment : UInt16*   # LPCWSTR optional
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef DeletePrinterDriverPackageWNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>);
typedef DeletePrinterDriverPackageWDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>);
final DeletePrinterDriverPackageW = DynamicLibrary.open('winspool.drv')
    .lookupFunction<DeletePrinterDriverPackageWNative, DeletePrinterDriverPackageWDart>('DeletePrinterDriverPackageW');
// pszServer : LPCWSTR optional -> Pointer<Utf16>
// pszInfPath : LPCWSTR -> Pointer<Utf16>
// pszEnvironment : LPCWSTR optional -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DeletePrinterDriverPackageW(
  pszServer: PWideChar;   // LPCWSTR optional
  pszInfPath: PWideChar;   // LPCWSTR
  pszEnvironment: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'winspool.drv' name 'DeletePrinterDriverPackageW';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DeletePrinterDriverPackageW"
  c_DeletePrinterDriverPackageW :: CWString -> CWString -> CWString -> IO Int32
-- pszServer : LPCWSTR optional -> CWString
-- pszInfPath : LPCWSTR -> CWString
-- pszEnvironment : LPCWSTR optional -> CWString
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let deleteprinterdriverpackagew =
  foreign "DeletePrinterDriverPackageW"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> returning int32_t)
(* pszServer : LPCWSTR optional -> (ptr uint16_t) *)
(* pszInfPath : LPCWSTR -> (ptr uint16_t) *)
(* pszEnvironment : LPCWSTR optional -> (ptr uint16_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library winspool.drv (t "winspool.drv"))
(cffi:use-foreign-library winspool.drv)

(cffi:defcfun ("DeletePrinterDriverPackageW" delete-printer-driver-package-w :convention :stdcall) :int32
  (psz-server (:string :encoding :utf-16le))   ; LPCWSTR optional
  (psz-inf-path (:string :encoding :utf-16le))   ; LPCWSTR
  (psz-environment (:string :encoding :utf-16le)))   ; LPCWSTR optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DeletePrinterDriverPackageW = Win32::API::More->new('winspool.drv',
    'int DeletePrinterDriverPackageW(LPCWSTR pszServer, LPCWSTR pszInfPath, LPCWSTR pszEnvironment)');
# my $ret = $DeletePrinterDriverPackageW->Call($pszServer, $pszInfPath, $pszEnvironment);
# pszServer : LPCWSTR optional -> LPCWSTR
# pszInfPath : LPCWSTR -> LPCWSTR
# pszEnvironment : LPCWSTR optional -> LPCWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。