ホーム › NetworkManagement.WNet › WNetUseConnectionW

WNetUseConnectionW

関数

ローカル名割り当てなしでネットワークリソースに接続する(Unicode版)。

DLLMPR.dll文字セットUnicode (-W)呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// MPR.dll  (Unicode / -W)
#include <windows.h>

WIN32_ERROR WNetUseConnectionW(
    HWND hwndOwner,   // optional
    NETRESOURCEW* lpNetResource,
    LPCWSTR lpPassword,   // optional
    LPCWSTR lpUserId,   // optional
    NET_CONNECT_FLAGS dwFlags,
    LPWSTR lpAccessName,   // optional
    DWORD* lpBufferSize,   // optional
    DWORD* lpResult   // optional
);

パラメーター

名前	型	方向	説明
hwndOwner	HWND	inoptional	資格情報入力ダイアログの親ウィンドウハンドル。不要ならNULL可。
lpNetResource	NETRESOURCEW*	in	接続先や種別を記述したNETRESOURCEW構造体へのポインタ。
lpPassword	LPCWSTR	inoptional	接続に用いるパスワードのワイド文字列。既定資格情報ならNULL可。
lpUserId	LPCWSTR	inoptional	接続に用いるユーザー名のワイド文字列。既定ユーザーならNULL可。
dwFlags	NET_CONNECT_FLAGS	in	接続動作を制御するフラグ(CONNECT_REDIRECT等)。
lpAccessName	LPWSTR	outoptional	割り当てられたローカルデバイス名を受け取るワイドバッファ。
lpBufferSize	DWORD*	inoutoptional	lpAccessNameの文字数を入出力で渡し、必要文字数を受け取る。
lpResult	DWORD*	outoptional	接続結果(CONNECT_LOCALDRIVE等)を受け取る出力先。

戻り値の型: WIN32_ERROR

各言語での呼び出し定義

// MPR.dll  (Unicode / -W)
#include <windows.h>

WIN32_ERROR WNetUseConnectionW(
    HWND hwndOwner,   // optional
    NETRESOURCEW* lpNetResource,
    LPCWSTR lpPassword,   // optional
    LPCWSTR lpUserId,   // optional
    NET_CONNECT_FLAGS dwFlags,
    LPWSTR lpAccessName,   // optional
    DWORD* lpBufferSize,   // optional
    DWORD* lpResult   // optional
);

[DllImport("MPR.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern uint WNetUseConnectionW(
    IntPtr hwndOwner,   // HWND optional
    IntPtr lpNetResource,   // NETRESOURCEW*
    [MarshalAs(UnmanagedType.LPWStr)] string lpPassword,   // LPCWSTR optional
    [MarshalAs(UnmanagedType.LPWStr)] string lpUserId,   // LPCWSTR optional
    uint dwFlags,   // NET_CONNECT_FLAGS
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpAccessName,   // LPWSTR optional, out
    IntPtr lpBufferSize,   // DWORD* optional, in/out
    IntPtr lpResult   // DWORD* optional, out
);

<DllImport("MPR.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function WNetUseConnectionW(
    hwndOwner As IntPtr,   ' HWND optional
    lpNetResource As IntPtr,   ' NETRESOURCEW*
    <MarshalAs(UnmanagedType.LPWStr)> lpPassword As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpUserId As String,   ' LPCWSTR optional
    dwFlags As UInteger,   ' NET_CONNECT_FLAGS
    <MarshalAs(UnmanagedType.LPWStr)> lpAccessName As System.Text.StringBuilder,   ' LPWSTR optional, out
    lpBufferSize As IntPtr,   ' DWORD* optional, in/out
    lpResult As IntPtr   ' DWORD* optional, out
) As UInteger
End Function

' hwndOwner : HWND optional
' lpNetResource : NETRESOURCEW*
' lpPassword : LPCWSTR optional
' lpUserId : LPCWSTR optional
' dwFlags : NET_CONNECT_FLAGS
' lpAccessName : LPWSTR optional, out
' lpBufferSize : DWORD* optional, in/out
' lpResult : DWORD* optional, out
Declare PtrSafe Function WNetUseConnectionW Lib "mpr" ( _
    ByVal hwndOwner As LongPtr, _
    ByVal lpNetResource As LongPtr, _
    ByVal lpPassword As LongPtr, _
    ByVal lpUserId As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal lpAccessName As LongPtr, _
    ByVal lpBufferSize As LongPtr, _
    ByVal lpResult 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

WNetUseConnectionW = ctypes.windll.mpr.WNetUseConnectionW
WNetUseConnectionW.restype = wintypes.DWORD
WNetUseConnectionW.argtypes = [
    wintypes.HANDLE,  # hwndOwner : HWND optional
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEW*
    wintypes.LPCWSTR,  # lpPassword : LPCWSTR optional
    wintypes.LPCWSTR,  # lpUserId : LPCWSTR optional
    wintypes.DWORD,  # dwFlags : NET_CONNECT_FLAGS
    wintypes.LPWSTR,  # lpAccessName : LPWSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # lpResult : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetUseConnectionW = Fiddle::Function.new(
  lib['WNetUseConnectionW'],
  [
    Fiddle::TYPE_VOIDP,  # hwndOwner : HWND optional
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEW*
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpUserId : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : NET_CONNECT_FLAGS
    Fiddle::TYPE_VOIDP,  # lpAccessName : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # lpResult : DWORD* optional, out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "mpr")]
extern "system" {
    fn WNetUseConnectionW(
        hwndOwner: *mut core::ffi::c_void,  // HWND optional
        lpNetResource: *mut NETRESOURCEW,  // NETRESOURCEW*
        lpPassword: *const u16,  // LPCWSTR optional
        lpUserId: *const u16,  // LPCWSTR optional
        dwFlags: u32,  // NET_CONNECT_FLAGS
        lpAccessName: *mut u16,  // LPWSTR optional, out
        lpBufferSize: *mut u32,  // DWORD* optional, in/out
        lpResult: *mut u32  // DWORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Unicode)]
public static extern uint WNetUseConnectionW(IntPtr hwndOwner, IntPtr lpNetResource, [MarshalAs(UnmanagedType.LPWStr)] string lpPassword, [MarshalAs(UnmanagedType.LPWStr)] string lpUserId, uint dwFlags, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpAccessName, IntPtr lpBufferSize, IntPtr lpResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetUseConnectionW' -Namespace Win32 -PassThru
# $api::WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)

#uselib "MPR.dll"
#func global WNetUseConnectionW "WNetUseConnectionW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; WNetUseConnectionW hwndOwner, varptr(lpNetResource), lpPassword, lpUserId, dwFlags, varptr(lpAccessName), varptr(lpBufferSize), varptr(lpResult)   ; 戻り値は stat
; hwndOwner : HWND optional -> "wptr"
; lpNetResource : NETRESOURCEW* -> "wptr"
; lpPassword : LPCWSTR optional -> "wptr"
; lpUserId : LPCWSTR optional -> "wptr"
; dwFlags : NET_CONNECT_FLAGS -> "wptr"
; lpAccessName : LPWSTR optional, out -> "wptr"
; lpBufferSize : DWORD* optional, in/out -> "wptr"
; lpResult : DWORD* optional, out -> "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。

出力引数:

#uselib "MPR.dll"
#cfunc global WNetUseConnectionW "WNetUseConnectionW" sptr, var, wstr, wstr, int, var, var, var
; res = WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
; hwndOwner : HWND optional -> "sptr"
; lpNetResource : NETRESOURCEW* -> "var"
; lpPassword : LPCWSTR optional -> "wstr"
; lpUserId : LPCWSTR optional -> "wstr"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPWSTR optional, out -> "var"
; lpBufferSize : DWORD* optional, in/out -> "var"
; lpResult : DWORD* optional, 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。#uselib "MPR.dll"
#cfunc global WNetUseConnectionW "WNetUseConnectionW" sptr, sptr, wstr, wstr, int, sptr, sptr, sptr
; res = WNetUseConnectionW(hwndOwner, varptr(lpNetResource), lpPassword, lpUserId, dwFlags, varptr(lpAccessName), varptr(lpBufferSize), varptr(lpResult))
; hwndOwner : HWND optional -> "sptr"
; lpNetResource : NETRESOURCEW* -> "sptr"
; lpPassword : LPCWSTR optional -> "wstr"
; lpUserId : LPCWSTR optional -> "wstr"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPWSTR optional, out -> "sptr"
; lpBufferSize : DWORD* optional, in/out -> "sptr"
; lpResult : DWORD* optional, out -> "sptr"
; ※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:

; WIN32_ERROR WNetUseConnectionW(HWND hwndOwner, NETRESOURCEW* lpNetResource, LPCWSTR lpPassword, LPCWSTR lpUserId, NET_CONNECT_FLAGS dwFlags, LPWSTR lpAccessName, DWORD* lpBufferSize, DWORD* lpResult)
#uselib "MPR.dll"
#cfunc global WNetUseConnectionW "WNetUseConnectionW" intptr, var, wstr, wstr, int, var, var, var
; res = WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
; hwndOwner : HWND optional -> "intptr"
; lpNetResource : NETRESOURCEW* -> "var"
; lpPassword : LPCWSTR optional -> "wstr"
; lpUserId : LPCWSTR optional -> "wstr"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPWSTR optional, out -> "var"
; lpBufferSize : DWORD* optional, in/out -> "var"
; lpResult : DWORD* optional, 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。; WIN32_ERROR WNetUseConnectionW(HWND hwndOwner, NETRESOURCEW* lpNetResource, LPCWSTR lpPassword, LPCWSTR lpUserId, NET_CONNECT_FLAGS dwFlags, LPWSTR lpAccessName, DWORD* lpBufferSize, DWORD* lpResult)
#uselib "MPR.dll"
#cfunc global WNetUseConnectionW "WNetUseConnectionW" intptr, intptr, wstr, wstr, int, intptr, intptr, intptr
; res = WNetUseConnectionW(hwndOwner, varptr(lpNetResource), lpPassword, lpUserId, dwFlags, varptr(lpAccessName), varptr(lpBufferSize), varptr(lpResult))
; hwndOwner : HWND optional -> "intptr"
; lpNetResource : NETRESOURCEW* -> "intptr"
; lpPassword : LPCWSTR optional -> "wstr"
; lpUserId : LPCWSTR optional -> "wstr"
; dwFlags : NET_CONNECT_FLAGS -> "int"
; lpAccessName : LPWSTR optional, out -> "intptr"
; lpBufferSize : DWORD* optional, in/out -> "intptr"
; lpResult : DWORD* optional, out -> "intptr"
; ※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 (
	mpr = windows.NewLazySystemDLL("MPR.dll")
	procWNetUseConnectionW = mpr.NewProc("WNetUseConnectionW")
)

// hwndOwner (HWND optional), lpNetResource (NETRESOURCEW*), lpPassword (LPCWSTR optional), lpUserId (LPCWSTR optional), dwFlags (NET_CONNECT_FLAGS), lpAccessName (LPWSTR optional, out), lpBufferSize (DWORD* optional, in/out), lpResult (DWORD* optional, out)
r1, _, err := procWNetUseConnectionW.Call(
	uintptr(hwndOwner),
	uintptr(lpNetResource),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpPassword))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpUserId))),
	uintptr(dwFlags),
	uintptr(lpAccessName),
	uintptr(lpBufferSize),
	uintptr(lpResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetUseConnectionW(
  hwndOwner: THandle;   // HWND optional
  lpNetResource: Pointer;   // NETRESOURCEW*
  lpPassword: PWideChar;   // LPCWSTR optional
  lpUserId: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD;   // NET_CONNECT_FLAGS
  lpAccessName: PWideChar;   // LPWSTR optional, out
  lpBufferSize: Pointer;   // DWORD* optional, in/out
  lpResult: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetUseConnectionW';

result := DllCall("MPR\WNetUseConnectionW"
    , "Ptr", hwndOwner   ; HWND optional
    , "Ptr", lpNetResource   ; NETRESOURCEW*
    , "WStr", lpPassword   ; LPCWSTR optional
    , "WStr", lpUserId   ; LPCWSTR optional
    , "UInt", dwFlags   ; NET_CONNECT_FLAGS
    , "Ptr", lpAccessName   ; LPWSTR optional, out
    , "Ptr", lpBufferSize   ; DWORD* optional, in/out
    , "Ptr", lpResult   ; DWORD* optional, out
    , "UInt")   ; return: WIN32_ERROR

●WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult) = DLL("MPR.dll", "dword WNetUseConnectionW(void*, void*, char*, char*, dword, char*, void*, void*)")
# 呼び出し: WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
# hwndOwner : HWND optional -> "void*"
# lpNetResource : NETRESOURCEW* -> "void*"
# lpPassword : LPCWSTR optional -> "char*"
# lpUserId : LPCWSTR optional -> "char*"
# dwFlags : NET_CONNECT_FLAGS -> "dword"
# lpAccessName : LPWSTR optional, out -> "char*"
# lpBufferSize : DWORD* optional, in/out -> "void*"
# lpResult : DWORD* optional, 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)。
# ※-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 "mpr" fn WNetUseConnectionW(
    hwndOwner: ?*anyopaque, // HWND optional
    lpNetResource: [*c]NETRESOURCEW, // NETRESOURCEW*
    lpPassword: [*c]const u16, // LPCWSTR optional
    lpUserId: [*c]const u16, // LPCWSTR optional
    dwFlags: u32, // NET_CONNECT_FLAGS
    lpAccessName: [*c]u16, // LPWSTR optional, out
    lpBufferSize: [*c]u32, // DWORD* optional, in/out
    lpResult: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc WNetUseConnectionW(
    hwndOwner: pointer,  # HWND optional
    lpNetResource: ptr NETRESOURCEW,  # NETRESOURCEW*
    lpPassword: WideCString,  # LPCWSTR optional
    lpUserId: WideCString,  # LPCWSTR optional
    dwFlags: uint32,  # NET_CONNECT_FLAGS
    lpAccessName: ptr uint16,  # LPWSTR optional, out
    lpBufferSize: ptr uint32,  # DWORD* optional, in/out
    lpResult: ptr uint32  # DWORD* optional, out
): uint32 {.importc: "WNetUseConnectionW", stdcall, dynlib: "MPR.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "mpr");
extern(Windows)
uint WNetUseConnectionW(
    void* hwndOwner,   // HWND optional
    NETRESOURCEW* lpNetResource,   // NETRESOURCEW*
    const(wchar)* lpPassword,   // LPCWSTR optional
    const(wchar)* lpUserId,   // LPCWSTR optional
    uint dwFlags,   // NET_CONNECT_FLAGS
    wchar* lpAccessName,   // LPWSTR optional, out
    uint* lpBufferSize,   // DWORD* optional, in/out
    uint* lpResult   // DWORD* optional, out
);

ccall((:WNetUseConnectionW, "MPR.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{NETRESOURCEW}, Cwstring, Cwstring, UInt32, Ptr{UInt16}, Ptr{UInt32}, Ptr{UInt32}),
      hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
# hwndOwner : HWND optional -> Ptr{Cvoid}
# lpNetResource : NETRESOURCEW* -> Ptr{NETRESOURCEW}
# lpPassword : LPCWSTR optional -> Cwstring
# lpUserId : LPCWSTR optional -> Cwstring
# dwFlags : NET_CONNECT_FLAGS -> UInt32
# lpAccessName : LPWSTR optional, out -> Ptr{UInt16}
# lpBufferSize : DWORD* optional, in/out -> Ptr{UInt32}
# lpResult : DWORD* optional, out -> Ptr{UInt32}
# 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[[
uint32_t WNetUseConnectionW(
    void* hwndOwner,
    void* lpNetResource,
    const uint16_t* lpPassword,
    const uint16_t* lpUserId,
    uint32_t dwFlags,
    uint16_t* lpAccessName,
    uint32_t* lpBufferSize,
    uint32_t* lpResult);
]]
local mpr = ffi.load("mpr")
-- mpr.WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
-- hwndOwner : HWND optional
-- lpNetResource : NETRESOURCEW*
-- lpPassword : LPCWSTR optional
-- lpUserId : LPCWSTR optional
-- dwFlags : NET_CONNECT_FLAGS
-- lpAccessName : LPWSTR optional, out
-- lpBufferSize : DWORD* optional, in/out
-- lpResult : DWORD* optional, out
-- 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('MPR.dll');
const WNetUseConnectionW = lib.func('__stdcall', 'WNetUseConnectionW', 'uint32_t', ['void *', 'void *', 'str16', 'str16', 'uint32_t', 'uint16_t *', 'uint32_t *', 'uint32_t *']);
// WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
// hwndOwner : HWND optional -> 'void *'
// lpNetResource : NETRESOURCEW* -> 'void *'
// lpPassword : LPCWSTR optional -> 'str16'
// lpUserId : LPCWSTR optional -> 'str16'
// dwFlags : NET_CONNECT_FLAGS -> 'uint32_t'
// lpAccessName : LPWSTR optional, out -> 'uint16_t *'
// lpBufferSize : DWORD* optional, in/out -> 'uint32_t *'
// lpResult : DWORD* optional, out -> '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("MPR.dll", {
  WNetUseConnectionW: { parameters: ["pointer", "pointer", "buffer", "buffer", "u32", "buffer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult)
// hwndOwner : HWND optional -> "pointer"
// lpNetResource : NETRESOURCEW* -> "pointer"
// lpPassword : LPCWSTR optional -> "buffer"
// lpUserId : LPCWSTR optional -> "buffer"
// dwFlags : NET_CONNECT_FLAGS -> "u32"
// lpAccessName : LPWSTR optional, out -> "buffer"
// lpBufferSize : DWORD* optional, in/out -> "pointer"
// lpResult : DWORD* optional, out -> "pointer"
// 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
uint32_t WNetUseConnectionW(
    void* hwndOwner,
    void* lpNetResource,
    const uint16_t* lpPassword,
    const uint16_t* lpUserId,
    uint32_t dwFlags,
    uint16_t* lpAccessName,
    uint32_t* lpBufferSize,
    uint32_t* lpResult);
C, "MPR.dll");
// $ffi->WNetUseConnectionW(hwndOwner, lpNetResource, lpPassword, lpUserId, dwFlags, lpAccessName, lpBufferSize, lpResult);
// hwndOwner : HWND optional
// lpNetResource : NETRESOURCEW*
// lpPassword : LPCWSTR optional
// lpUserId : LPCWSTR optional
// dwFlags : NET_CONNECT_FLAGS
// lpAccessName : LPWSTR optional, out
// lpBufferSize : DWORD* optional, in/out
// lpResult : DWORD* optional, out
// 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 Mpr extends StdCallLibrary {
    Mpr INSTANCE = Native.load("mpr", Mpr.class, W32APIOptions.UNICODE_OPTIONS);
    int WNetUseConnectionW(
        Pointer hwndOwner,   // HWND optional
        Pointer lpNetResource,   // NETRESOURCEW*
        WString lpPassword,   // LPCWSTR optional
        WString lpUserId,   // LPCWSTR optional
        int dwFlags,   // NET_CONNECT_FLAGS
        char[] lpAccessName,   // LPWSTR optional, out
        IntByReference lpBufferSize,   // DWORD* optional, in/out
        IntByReference lpResult   // DWORD* optional, out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("mpr")]
lib LibMPR
  fun WNetUseConnectionW = WNetUseConnectionW(
    hwndOwner : Void*,   # HWND optional
    lpNetResource : NETRESOURCEW*,   # NETRESOURCEW*
    lpPassword : UInt16*,   # LPCWSTR optional
    lpUserId : UInt16*,   # LPCWSTR optional
    dwFlags : UInt32,   # NET_CONNECT_FLAGS
    lpAccessName : UInt16*,   # LPWSTR optional, out
    lpBufferSize : UInt32*,   # DWORD* optional, in/out
    lpResult : UInt32*   # DWORD* optional, out
  ) : 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 WNetUseConnectionWNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>, Uint32, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>);
typedef WNetUseConnectionWDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>, int, Pointer<Utf16>, Pointer<Uint32>, Pointer<Uint32>);
final WNetUseConnectionW = DynamicLibrary.open('MPR.dll')
    .lookupFunction<WNetUseConnectionWNative, WNetUseConnectionWDart>('WNetUseConnectionW');
// hwndOwner : HWND optional -> Pointer<Void>
// lpNetResource : NETRESOURCEW* -> Pointer<Void>
// lpPassword : LPCWSTR optional -> Pointer<Utf16>
// lpUserId : LPCWSTR optional -> Pointer<Utf16>
// dwFlags : NET_CONNECT_FLAGS -> Uint32
// lpAccessName : LPWSTR optional, out -> Pointer<Utf16>
// lpBufferSize : DWORD* optional, in/out -> Pointer<Uint32>
// lpResult : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WNetUseConnectionW(
  hwndOwner: THandle;   // HWND optional
  lpNetResource: Pointer;   // NETRESOURCEW*
  lpPassword: PWideChar;   // LPCWSTR optional
  lpUserId: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD;   // NET_CONNECT_FLAGS
  lpAccessName: PWideChar;   // LPWSTR optional, out
  lpBufferSize: Pointer;   // DWORD* optional, in/out
  lpResult: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetUseConnectionW';

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

foreign import stdcall safe "WNetUseConnectionW"
  c_WNetUseConnectionW :: Ptr () -> Ptr () -> CWString -> CWString -> Word32 -> CWString -> Ptr Word32 -> Ptr Word32 -> IO Word32
-- hwndOwner : HWND optional -> Ptr ()
-- lpNetResource : NETRESOURCEW* -> Ptr ()
-- lpPassword : LPCWSTR optional -> CWString
-- lpUserId : LPCWSTR optional -> CWString
-- dwFlags : NET_CONNECT_FLAGS -> Word32
-- lpAccessName : LPWSTR optional, out -> CWString
-- lpBufferSize : DWORD* optional, in/out -> Ptr Word32
-- lpResult : DWORD* optional, out -> Ptr 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 wnetuseconnectionw =
  foreign "WNetUseConnectionW"
    ((ptr void) @-> (ptr void) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning uint32_t)
(* hwndOwner : HWND optional -> (ptr void) *)
(* lpNetResource : NETRESOURCEW* -> (ptr void) *)
(* lpPassword : LPCWSTR optional -> (ptr uint16_t) *)
(* lpUserId : LPCWSTR optional -> (ptr uint16_t) *)
(* dwFlags : NET_CONNECT_FLAGS -> uint32_t *)
(* lpAccessName : LPWSTR optional, out -> (ptr uint16_t) *)
(* lpBufferSize : DWORD* optional, in/out -> (ptr uint32_t) *)
(* lpResult : DWORD* optional, out -> (ptr 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 mpr (t "MPR.dll"))
(cffi:use-foreign-library mpr)

(cffi:defcfun ("WNetUseConnectionW" wnet-use-connection-w :convention :stdcall) :uint32
  (hwnd-owner :pointer)   ; HWND optional
  (lp-net-resource :pointer)   ; NETRESOURCEW*
  (lp-password (:string :encoding :utf-16le))   ; LPCWSTR optional
  (lp-user-id (:string :encoding :utf-16le))   ; LPCWSTR optional
  (dw-flags :uint32)   ; NET_CONNECT_FLAGS
  (lp-access-name :pointer)   ; LPWSTR optional, out
  (lp-buffer-size :pointer)   ; DWORD* optional, in/out
  (lp-result :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WNetUseConnectionW = Win32::API::More->new('MPR',
    'DWORD WNetUseConnectionW(HANDLE hwndOwner, LPVOID lpNetResource, LPCWSTR lpPassword, LPCWSTR lpUserId, DWORD dwFlags, LPWSTR lpAccessName, LPVOID lpBufferSize, LPVOID lpResult)');
# my $ret = $WNetUseConnectionW->Call($hwndOwner, $lpNetResource, $lpPassword, $lpUserId, $dwFlags, $lpAccessName, $lpBufferSize, $lpResult);
# hwndOwner : HWND optional -> HANDLE
# lpNetResource : NETRESOURCEW* -> LPVOID
# lpPassword : LPCWSTR optional -> LPCWSTR
# lpUserId : LPCWSTR optional -> LPCWSTR
# dwFlags : NET_CONNECT_FLAGS -> DWORD
# lpAccessName : LPWSTR optional, out -> LPWSTR
# lpBufferSize : DWORD* optional, in/out -> LPVOID
# lpResult : DWORD* optional, out -> LPVOID
# 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。

WNetUseConnectionW

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