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GenerateCopyFilePaths

関数

スプーラー用のコピー元と先のファイルパスを生成する。

DLLmscms.dll呼出規約winapi

シグネチャ

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

DWORD GenerateCopyFilePaths(
    LPCWSTR pszPrinterName,
    LPCWSTR pszDirectory,
    BYTE* pSplClientInfo,
    DWORD dwLevel,
    LPWSTR pszSourceDir,
    DWORD* pcchSourceDirSize,
    LPWSTR pszTargetDir,
    DWORD* pcchTargetDirSize,
    DWORD dwFlags
);

パラメーター

名前	型	方向	説明
pszPrinterName	LPCWSTR	in	対象プリンタ名を示す文字列(Unicode)。
pszDirectory	LPCWSTR	in	基準となるディレクトリパスを示す文字列(Unicode)。
pSplClientInfo	BYTE*	in	スプーラクライアント情報を保持するバッファへのポインタ。
dwLevel	DWORD	in	pSplClientInfoが指す構造体のバージョンレベル。
pszSourceDir	LPWSTR	inout	コピー元ディレクトリパスを受け取る出力バッファ(Unicode)。
pcchSourceDirSize	DWORD*	inout	pszSourceDirバッファのサイズ(文字数)を入出力するポインタ。
pszTargetDir	LPWSTR	inout	コピー先ディレクトリパスを受け取る出力バッファ(Unicode)。
pcchTargetDirSize	DWORD*	inout	pszTargetDirバッファのサイズ(文字数)を入出力するポインタ。
dwFlags	DWORD	in	パス生成動作を制御するフラグ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD GenerateCopyFilePaths(
    LPCWSTR pszPrinterName,
    LPCWSTR pszDirectory,
    BYTE* pSplClientInfo,
    DWORD dwLevel,
    LPWSTR pszSourceDir,
    DWORD* pcchSourceDirSize,
    LPWSTR pszTargetDir,
    DWORD* pcchTargetDirSize,
    DWORD dwFlags
);

[DllImport("mscms.dll", ExactSpelling = true)]
static extern uint GenerateCopyFilePaths(
    [MarshalAs(UnmanagedType.LPWStr)] string pszPrinterName,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string pszDirectory,   // LPCWSTR
    IntPtr pSplClientInfo,   // BYTE*
    uint dwLevel,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszSourceDir,   // LPWSTR in/out
    ref uint pcchSourceDirSize,   // DWORD* in/out
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszTargetDir,   // LPWSTR in/out
    ref uint pcchTargetDirSize,   // DWORD* in/out
    uint dwFlags   // DWORD
);

<DllImport("mscms.dll", ExactSpelling:=True)>
Public Shared Function GenerateCopyFilePaths(
    <MarshalAs(UnmanagedType.LPWStr)> pszPrinterName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pszDirectory As String,   ' LPCWSTR
    pSplClientInfo As IntPtr,   ' BYTE*
    dwLevel As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pszSourceDir As System.Text.StringBuilder,   ' LPWSTR in/out
    ByRef pcchSourceDirSize As UInteger,   ' DWORD* in/out
    <MarshalAs(UnmanagedType.LPWStr)> pszTargetDir As System.Text.StringBuilder,   ' LPWSTR in/out
    ByRef pcchTargetDirSize As UInteger,   ' DWORD* in/out
    dwFlags As UInteger   ' DWORD
) As UInteger
End Function

' pszPrinterName : LPCWSTR
' pszDirectory : LPCWSTR
' pSplClientInfo : BYTE*
' dwLevel : DWORD
' pszSourceDir : LPWSTR in/out
' pcchSourceDirSize : DWORD* in/out
' pszTargetDir : LPWSTR in/out
' pcchTargetDirSize : DWORD* in/out
' dwFlags : DWORD
Declare PtrSafe Function GenerateCopyFilePaths Lib "mscms" ( _
    ByVal pszPrinterName As LongPtr, _
    ByVal pszDirectory As LongPtr, _
    ByVal pSplClientInfo As LongPtr, _
    ByVal dwLevel As Long, _
    ByVal pszSourceDir As LongPtr, _
    ByRef pcchSourceDirSize As Long, _
    ByVal pszTargetDir As LongPtr, _
    ByRef pcchTargetDirSize As Long, _
    ByVal dwFlags 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

GenerateCopyFilePaths = ctypes.windll.mscms.GenerateCopyFilePaths
GenerateCopyFilePaths.restype = wintypes.DWORD
GenerateCopyFilePaths.argtypes = [
    wintypes.LPCWSTR,  # pszPrinterName : LPCWSTR
    wintypes.LPCWSTR,  # pszDirectory : LPCWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pSplClientInfo : BYTE*
    wintypes.DWORD,  # dwLevel : DWORD
    wintypes.LPWSTR,  # pszSourceDir : LPWSTR in/out
    ctypes.POINTER(wintypes.DWORD),  # pcchSourceDirSize : DWORD* in/out
    wintypes.LPWSTR,  # pszTargetDir : LPWSTR in/out
    ctypes.POINTER(wintypes.DWORD),  # pcchTargetDirSize : DWORD* in/out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mscms.dll')
GenerateCopyFilePaths = Fiddle::Function.new(
  lib['GenerateCopyFilePaths'],
  [
    Fiddle::TYPE_VOIDP,  # pszPrinterName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pszDirectory : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pSplClientInfo : BYTE*
    -Fiddle::TYPE_INT,  # dwLevel : DWORD
    Fiddle::TYPE_VOIDP,  # pszSourceDir : LPWSTR in/out
    Fiddle::TYPE_VOIDP,  # pcchSourceDirSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pszTargetDir : LPWSTR in/out
    Fiddle::TYPE_VOIDP,  # pcchTargetDirSize : DWORD* in/out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mscms")]
extern "system" {
    fn GenerateCopyFilePaths(
        pszPrinterName: *const u16,  // LPCWSTR
        pszDirectory: *const u16,  // LPCWSTR
        pSplClientInfo: *mut u8,  // BYTE*
        dwLevel: u32,  // DWORD
        pszSourceDir: *mut u16,  // LPWSTR in/out
        pcchSourceDirSize: *mut u32,  // DWORD* in/out
        pszTargetDir: *mut u16,  // LPWSTR in/out
        pcchTargetDirSize: *mut u32,  // DWORD* in/out
        dwFlags: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("mscms.dll")]
public static extern uint GenerateCopyFilePaths([MarshalAs(UnmanagedType.LPWStr)] string pszPrinterName, [MarshalAs(UnmanagedType.LPWStr)] string pszDirectory, IntPtr pSplClientInfo, uint dwLevel, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszSourceDir, ref uint pcchSourceDirSize, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pszTargetDir, ref uint pcchTargetDirSize, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mscms_GenerateCopyFilePaths' -Namespace Win32 -PassThru
# $api::GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags)

#uselib "mscms.dll"
#func global GenerateCopyFilePaths "GenerateCopyFilePaths" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; GenerateCopyFilePaths pszPrinterName, pszDirectory, varptr(pSplClientInfo), dwLevel, varptr(pszSourceDir), varptr(pcchSourceDirSize), varptr(pszTargetDir), varptr(pcchTargetDirSize), dwFlags   ; 戻り値は stat
; pszPrinterName : LPCWSTR -> "sptr"
; pszDirectory : LPCWSTR -> "sptr"
; pSplClientInfo : BYTE* -> "sptr"
; dwLevel : DWORD -> "sptr"
; pszSourceDir : LPWSTR in/out -> "sptr"
; pcchSourceDirSize : DWORD* in/out -> "sptr"
; pszTargetDir : LPWSTR in/out -> "sptr"
; pcchTargetDirSize : DWORD* in/out -> "sptr"
; dwFlags : DWORD -> "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。

出力引数:

#uselib "mscms.dll"
#cfunc global GenerateCopyFilePaths "GenerateCopyFilePaths" wstr, wstr, var, int, var, var, var, var, int
; res = GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags)
; pszPrinterName : LPCWSTR -> "wstr"
; pszDirectory : LPCWSTR -> "wstr"
; pSplClientInfo : BYTE* -> "var"
; dwLevel : DWORD -> "int"
; pszSourceDir : LPWSTR in/out -> "var"
; pcchSourceDirSize : DWORD* in/out -> "var"
; pszTargetDir : LPWSTR in/out -> "var"
; pcchTargetDirSize : DWORD* in/out -> "var"
; dwFlags : 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。#uselib "mscms.dll"
#cfunc global GenerateCopyFilePaths "GenerateCopyFilePaths" wstr, wstr, sptr, int, sptr, sptr, sptr, sptr, int
; res = GenerateCopyFilePaths(pszPrinterName, pszDirectory, varptr(pSplClientInfo), dwLevel, varptr(pszSourceDir), varptr(pcchSourceDirSize), varptr(pszTargetDir), varptr(pcchTargetDirSize), dwFlags)
; pszPrinterName : LPCWSTR -> "wstr"
; pszDirectory : LPCWSTR -> "wstr"
; pSplClientInfo : BYTE* -> "sptr"
; dwLevel : DWORD -> "int"
; pszSourceDir : LPWSTR in/out -> "sptr"
; pcchSourceDirSize : DWORD* in/out -> "sptr"
; pszTargetDir : LPWSTR in/out -> "sptr"
; pcchTargetDirSize : DWORD* in/out -> "sptr"
; dwFlags : DWORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD GenerateCopyFilePaths(LPCWSTR pszPrinterName, LPCWSTR pszDirectory, BYTE* pSplClientInfo, DWORD dwLevel, LPWSTR pszSourceDir, DWORD* pcchSourceDirSize, LPWSTR pszTargetDir, DWORD* pcchTargetDirSize, DWORD dwFlags)
#uselib "mscms.dll"
#cfunc global GenerateCopyFilePaths "GenerateCopyFilePaths" wstr, wstr, var, int, var, var, var, var, int
; res = GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags)
; pszPrinterName : LPCWSTR -> "wstr"
; pszDirectory : LPCWSTR -> "wstr"
; pSplClientInfo : BYTE* -> "var"
; dwLevel : DWORD -> "int"
; pszSourceDir : LPWSTR in/out -> "var"
; pcchSourceDirSize : DWORD* in/out -> "var"
; pszTargetDir : LPWSTR in/out -> "var"
; pcchTargetDirSize : DWORD* in/out -> "var"
; dwFlags : 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。; DWORD GenerateCopyFilePaths(LPCWSTR pszPrinterName, LPCWSTR pszDirectory, BYTE* pSplClientInfo, DWORD dwLevel, LPWSTR pszSourceDir, DWORD* pcchSourceDirSize, LPWSTR pszTargetDir, DWORD* pcchTargetDirSize, DWORD dwFlags)
#uselib "mscms.dll"
#cfunc global GenerateCopyFilePaths "GenerateCopyFilePaths" wstr, wstr, intptr, int, intptr, intptr, intptr, intptr, int
; res = GenerateCopyFilePaths(pszPrinterName, pszDirectory, varptr(pSplClientInfo), dwLevel, varptr(pszSourceDir), varptr(pcchSourceDirSize), varptr(pszTargetDir), varptr(pcchTargetDirSize), dwFlags)
; pszPrinterName : LPCWSTR -> "wstr"
; pszDirectory : LPCWSTR -> "wstr"
; pSplClientInfo : BYTE* -> "intptr"
; dwLevel : DWORD -> "int"
; pszSourceDir : LPWSTR in/out -> "intptr"
; pcchSourceDirSize : DWORD* in/out -> "intptr"
; pszTargetDir : LPWSTR in/out -> "intptr"
; pcchTargetDirSize : DWORD* in/out -> "intptr"
; dwFlags : DWORD -> "int"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	mscms = windows.NewLazySystemDLL("mscms.dll")
	procGenerateCopyFilePaths = mscms.NewProc("GenerateCopyFilePaths")
)

// pszPrinterName (LPCWSTR), pszDirectory (LPCWSTR), pSplClientInfo (BYTE*), dwLevel (DWORD), pszSourceDir (LPWSTR in/out), pcchSourceDirSize (DWORD* in/out), pszTargetDir (LPWSTR in/out), pcchTargetDirSize (DWORD* in/out), dwFlags (DWORD)
r1, _, err := procGenerateCopyFilePaths.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPrinterName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszDirectory))),
	uintptr(pSplClientInfo),
	uintptr(dwLevel),
	uintptr(pszSourceDir),
	uintptr(pcchSourceDirSize),
	uintptr(pszTargetDir),
	uintptr(pcchTargetDirSize),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function GenerateCopyFilePaths(
  pszPrinterName: PWideChar;   // LPCWSTR
  pszDirectory: PWideChar;   // LPCWSTR
  pSplClientInfo: Pointer;   // BYTE*
  dwLevel: DWORD;   // DWORD
  pszSourceDir: PWideChar;   // LPWSTR in/out
  pcchSourceDirSize: Pointer;   // DWORD* in/out
  pszTargetDir: PWideChar;   // LPWSTR in/out
  pcchTargetDirSize: Pointer;   // DWORD* in/out
  dwFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'mscms.dll' name 'GenerateCopyFilePaths';

result := DllCall("mscms\GenerateCopyFilePaths"
    , "WStr", pszPrinterName   ; LPCWSTR
    , "WStr", pszDirectory   ; LPCWSTR
    , "Ptr", pSplClientInfo   ; BYTE*
    , "UInt", dwLevel   ; DWORD
    , "Ptr", pszSourceDir   ; LPWSTR in/out
    , "Ptr", pcchSourceDirSize   ; DWORD* in/out
    , "Ptr", pszTargetDir   ; LPWSTR in/out
    , "Ptr", pcchTargetDirSize   ; DWORD* in/out
    , "UInt", dwFlags   ; DWORD
    , "UInt")   ; return: DWORD

●GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags) = DLL("mscms.dll", "dword GenerateCopyFilePaths(char*, char*, void*, dword, char*, void*, char*, void*, dword)")
# 呼び出し: GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags)
# pszPrinterName : LPCWSTR -> "char*"
# pszDirectory : LPCWSTR -> "char*"
# pSplClientInfo : BYTE* -> "void*"
# dwLevel : DWORD -> "dword"
# pszSourceDir : LPWSTR in/out -> "char*"
# pcchSourceDirSize : DWORD* in/out -> "void*"
# pszTargetDir : LPWSTR in/out -> "char*"
# pcchTargetDirSize : DWORD* in/out -> "void*"
# dwFlags : 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)。

const std = @import("std");

extern "mscms" fn GenerateCopyFilePaths(
    pszPrinterName: [*c]const u16, // LPCWSTR
    pszDirectory: [*c]const u16, // LPCWSTR
    pSplClientInfo: [*c]u8, // BYTE*
    dwLevel: u32, // DWORD
    pszSourceDir: [*c]u16, // LPWSTR in/out
    pcchSourceDirSize: [*c]u32, // DWORD* in/out
    pszTargetDir: [*c]u16, // LPWSTR in/out
    pcchTargetDirSize: [*c]u32, // DWORD* in/out
    dwFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;

proc GenerateCopyFilePaths(
    pszPrinterName: WideCString,  # LPCWSTR
    pszDirectory: WideCString,  # LPCWSTR
    pSplClientInfo: ptr uint8,  # BYTE*
    dwLevel: uint32,  # DWORD
    pszSourceDir: ptr uint16,  # LPWSTR in/out
    pcchSourceDirSize: ptr uint32,  # DWORD* in/out
    pszTargetDir: ptr uint16,  # LPWSTR in/out
    pcchTargetDirSize: ptr uint32,  # DWORD* in/out
    dwFlags: uint32  # DWORD
): uint32 {.importc: "GenerateCopyFilePaths", stdcall, dynlib: "mscms.dll".}

pragma(lib, "mscms");
extern(Windows)
uint GenerateCopyFilePaths(
    const(wchar)* pszPrinterName,   // LPCWSTR
    const(wchar)* pszDirectory,   // LPCWSTR
    ubyte* pSplClientInfo,   // BYTE*
    uint dwLevel,   // DWORD
    wchar* pszSourceDir,   // LPWSTR in/out
    uint* pcchSourceDirSize,   // DWORD* in/out
    wchar* pszTargetDir,   // LPWSTR in/out
    uint* pcchTargetDirSize,   // DWORD* in/out
    uint dwFlags   // DWORD
);

ccall((:GenerateCopyFilePaths, "mscms.dll"), stdcall, UInt32,
      (Cwstring, Cwstring, Ptr{UInt8}, UInt32, Ptr{UInt16}, Ptr{UInt32}, Ptr{UInt16}, Ptr{UInt32}, UInt32),
      pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags)
# pszPrinterName : LPCWSTR -> Cwstring
# pszDirectory : LPCWSTR -> Cwstring
# pSplClientInfo : BYTE* -> Ptr{UInt8}
# dwLevel : DWORD -> UInt32
# pszSourceDir : LPWSTR in/out -> Ptr{UInt16}
# pcchSourceDirSize : DWORD* in/out -> Ptr{UInt32}
# pszTargetDir : LPWSTR in/out -> Ptr{UInt16}
# pcchTargetDirSize : DWORD* in/out -> Ptr{UInt32}
# dwFlags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t GenerateCopyFilePaths(
    const uint16_t* pszPrinterName,
    const uint16_t* pszDirectory,
    uint8_t* pSplClientInfo,
    uint32_t dwLevel,
    uint16_t* pszSourceDir,
    uint32_t* pcchSourceDirSize,
    uint16_t* pszTargetDir,
    uint32_t* pcchTargetDirSize,
    uint32_t dwFlags);
]]
local mscms = ffi.load("mscms")
-- mscms.GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags)
-- pszPrinterName : LPCWSTR
-- pszDirectory : LPCWSTR
-- pSplClientInfo : BYTE*
-- dwLevel : DWORD
-- pszSourceDir : LPWSTR in/out
-- pcchSourceDirSize : DWORD* in/out
-- pszTargetDir : LPWSTR in/out
-- pcchTargetDirSize : DWORD* in/out
-- dwFlags : DWORD
-- 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。

const koffi = require('koffi');
const lib = koffi.load('mscms.dll');
const GenerateCopyFilePaths = lib.func('__stdcall', 'GenerateCopyFilePaths', 'uint32_t', ['str16', 'str16', 'uint8_t *', 'uint32_t', 'uint16_t *', 'uint32_t *', 'uint16_t *', 'uint32_t *', 'uint32_t']);
// GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags)
// pszPrinterName : LPCWSTR -> 'str16'
// pszDirectory : LPCWSTR -> 'str16'
// pSplClientInfo : BYTE* -> 'uint8_t *'
// dwLevel : DWORD -> 'uint32_t'
// pszSourceDir : LPWSTR in/out -> 'uint16_t *'
// pcchSourceDirSize : DWORD* in/out -> 'uint32_t *'
// pszTargetDir : LPWSTR in/out -> 'uint16_t *'
// pcchTargetDirSize : DWORD* in/out -> 'uint32_t *'
// dwFlags : DWORD -> 'uint32_t'
// 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("mscms.dll", {
  GenerateCopyFilePaths: { parameters: ["buffer", "buffer", "pointer", "u32", "buffer", "pointer", "buffer", "pointer", "u32"], result: "u32" },
});
// lib.symbols.GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags)
// pszPrinterName : LPCWSTR -> "buffer"
// pszDirectory : LPCWSTR -> "buffer"
// pSplClientInfo : BYTE* -> "pointer"
// dwLevel : DWORD -> "u32"
// pszSourceDir : LPWSTR in/out -> "buffer"
// pcchSourceDirSize : DWORD* in/out -> "pointer"
// pszTargetDir : LPWSTR in/out -> "buffer"
// pcchTargetDirSize : DWORD* in/out -> "pointer"
// dwFlags : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t GenerateCopyFilePaths(
    const uint16_t* pszPrinterName,
    const uint16_t* pszDirectory,
    uint8_t* pSplClientInfo,
    uint32_t dwLevel,
    uint16_t* pszSourceDir,
    uint32_t* pcchSourceDirSize,
    uint16_t* pszTargetDir,
    uint32_t* pcchTargetDirSize,
    uint32_t dwFlags);
C, "mscms.dll");
// $ffi->GenerateCopyFilePaths(pszPrinterName, pszDirectory, pSplClientInfo, dwLevel, pszSourceDir, pcchSourceDirSize, pszTargetDir, pcchTargetDirSize, dwFlags);
// pszPrinterName : LPCWSTR
// pszDirectory : LPCWSTR
// pSplClientInfo : BYTE*
// dwLevel : DWORD
// pszSourceDir : LPWSTR in/out
// pcchSourceDirSize : DWORD* in/out
// pszTargetDir : LPWSTR in/out
// pcchTargetDirSize : DWORD* in/out
// dwFlags : DWORD
// 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 Mscms extends StdCallLibrary {
    Mscms INSTANCE = Native.load("mscms", Mscms.class);
    int GenerateCopyFilePaths(
        WString pszPrinterName,   // LPCWSTR
        WString pszDirectory,   // LPCWSTR
        byte[] pSplClientInfo,   // BYTE*
        int dwLevel,   // DWORD
        char[] pszSourceDir,   // LPWSTR in/out
        IntByReference pcchSourceDirSize,   // DWORD* in/out
        char[] pszTargetDir,   // LPWSTR in/out
        IntByReference pcchTargetDirSize,   // DWORD* in/out
        int dwFlags   // DWORD
    );
}

@[Link("mscms")]
lib Libmscms
  fun GenerateCopyFilePaths = GenerateCopyFilePaths(
    pszPrinterName : UInt16*,   # LPCWSTR
    pszDirectory : UInt16*,   # LPCWSTR
    pSplClientInfo : UInt8*,   # BYTE*
    dwLevel : UInt32,   # DWORD
    pszSourceDir : UInt16*,   # LPWSTR in/out
    pcchSourceDirSize : UInt32*,   # DWORD* in/out
    pszTargetDir : UInt16*,   # LPWSTR in/out
    pcchTargetDirSize : UInt32*,   # DWORD* in/out
    dwFlags : UInt32   # DWORD
  ) : UInt32
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 GenerateCopyFilePathsNative = Uint32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint8>, Uint32, Pointer<Utf16>, Pointer<Uint32>, Pointer<Utf16>, Pointer<Uint32>, Uint32);
typedef GenerateCopyFilePathsDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint8>, int, Pointer<Utf16>, Pointer<Uint32>, Pointer<Utf16>, Pointer<Uint32>, int);
final GenerateCopyFilePaths = DynamicLibrary.open('mscms.dll')
    .lookupFunction<GenerateCopyFilePathsNative, GenerateCopyFilePathsDart>('GenerateCopyFilePaths');
// pszPrinterName : LPCWSTR -> Pointer<Utf16>
// pszDirectory : LPCWSTR -> Pointer<Utf16>
// pSplClientInfo : BYTE* -> Pointer<Uint8>
// dwLevel : DWORD -> Uint32
// pszSourceDir : LPWSTR in/out -> Pointer<Utf16>
// pcchSourceDirSize : DWORD* in/out -> Pointer<Uint32>
// pszTargetDir : LPWSTR in/out -> Pointer<Utf16>
// pcchTargetDirSize : DWORD* in/out -> Pointer<Uint32>
// dwFlags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GenerateCopyFilePaths(
  pszPrinterName: PWideChar;   // LPCWSTR
  pszDirectory: PWideChar;   // LPCWSTR
  pSplClientInfo: Pointer;   // BYTE*
  dwLevel: DWORD;   // DWORD
  pszSourceDir: PWideChar;   // LPWSTR in/out
  pcchSourceDirSize: Pointer;   // DWORD* in/out
  pszTargetDir: PWideChar;   // LPWSTR in/out
  pcchTargetDirSize: Pointer;   // DWORD* in/out
  dwFlags: DWORD   // DWORD
): DWORD; stdcall;
  external 'mscms.dll' name 'GenerateCopyFilePaths';

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

foreign import stdcall safe "GenerateCopyFilePaths"
  c_GenerateCopyFilePaths :: CWString -> CWString -> Ptr Word8 -> Word32 -> CWString -> Ptr Word32 -> CWString -> Ptr Word32 -> Word32 -> IO Word32
-- pszPrinterName : LPCWSTR -> CWString
-- pszDirectory : LPCWSTR -> CWString
-- pSplClientInfo : BYTE* -> Ptr Word8
-- dwLevel : DWORD -> Word32
-- pszSourceDir : LPWSTR in/out -> CWString
-- pcchSourceDirSize : DWORD* in/out -> Ptr Word32
-- pszTargetDir : LPWSTR in/out -> CWString
-- pcchTargetDirSize : DWORD* in/out -> Ptr Word32
-- dwFlags : DWORD -> Word32
-- 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 generatecopyfilepaths =
  foreign "GenerateCopyFilePaths"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint8_t) @-> uint32_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> uint32_t @-> returning uint32_t)
(* pszPrinterName : LPCWSTR -> (ptr uint16_t) *)
(* pszDirectory : LPCWSTR -> (ptr uint16_t) *)
(* pSplClientInfo : BYTE* -> (ptr uint8_t) *)
(* dwLevel : DWORD -> uint32_t *)
(* pszSourceDir : LPWSTR in/out -> (ptr uint16_t) *)
(* pcchSourceDirSize : DWORD* in/out -> (ptr uint32_t) *)
(* pszTargetDir : LPWSTR in/out -> (ptr uint16_t) *)
(* pcchTargetDirSize : DWORD* in/out -> (ptr uint32_t) *)
(* dwFlags : DWORD -> uint32_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 mscms (t "mscms.dll"))
(cffi:use-foreign-library mscms)

(cffi:defcfun ("GenerateCopyFilePaths" generate-copy-file-paths :convention :stdcall) :uint32
  (psz-printer-name (:string :encoding :utf-16le))   ; LPCWSTR
  (psz-directory (:string :encoding :utf-16le))   ; LPCWSTR
  (p-spl-client-info :pointer)   ; BYTE*
  (dw-level :uint32)   ; DWORD
  (psz-source-dir :pointer)   ; LPWSTR in/out
  (pcch-source-dir-size :pointer)   ; DWORD* in/out
  (psz-target-dir :pointer)   ; LPWSTR in/out
  (pcch-target-dir-size :pointer)   ; DWORD* in/out
  (dw-flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GenerateCopyFilePaths = Win32::API::More->new('mscms',
    'DWORD GenerateCopyFilePaths(LPCWSTR pszPrinterName, LPCWSTR pszDirectory, LPVOID pSplClientInfo, DWORD dwLevel, LPWSTR pszSourceDir, LPVOID pcchSourceDirSize, LPWSTR pszTargetDir, LPVOID pcchTargetDirSize, DWORD dwFlags)');
# my $ret = $GenerateCopyFilePaths->Call($pszPrinterName, $pszDirectory, $pSplClientInfo, $dwLevel, $pszSourceDir, $pcchSourceDirSize, $pszTargetDir, $pcchTargetDirSize, $dwFlags);
# pszPrinterName : LPCWSTR -> LPCWSTR
# pszDirectory : LPCWSTR -> LPCWSTR
# pSplClientInfo : BYTE* -> LPVOID
# dwLevel : DWORD -> DWORD
# pszSourceDir : LPWSTR in/out -> LPWSTR
# pcchSourceDirSize : DWORD* in/out -> LPVOID
# pszTargetDir : LPWSTR in/out -> LPWSTR
# pcchTargetDirSize : DWORD* in/out -> LPVOID
# dwFlags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。