Win32 API 日本語リファレンス
ホームSystem.Environment › NeedCurrentDirectoryForExePathW

NeedCurrentDirectoryForExePathW

関数
実行ファイル検索でカレントディレクトリが必要かを判定する(Unicode版)。
DLLKERNEL32.dll文字セットUnicode (-W)呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

BOOL NeedCurrentDirectoryForExePathW(
    LPCWSTR ExeName
);

パラメーター

名前方向
ExeNameLPCWSTRin

戻り値の型: BOOL

各言語での呼び出し定義

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

BOOL NeedCurrentDirectoryForExePathW(
    LPCWSTR ExeName
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern bool NeedCurrentDirectoryForExePathW(
    [MarshalAs(UnmanagedType.LPWStr)] string ExeName   // LPCWSTR
);
<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function NeedCurrentDirectoryForExePathW(
    <MarshalAs(UnmanagedType.LPWStr)> ExeName As String   ' LPCWSTR
) As Boolean
End Function
' ExeName : LPCWSTR
Declare PtrSafe Function NeedCurrentDirectoryForExePathW Lib "kernel32" ( _
    ByVal ExeName 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

NeedCurrentDirectoryForExePathW = ctypes.windll.kernel32.NeedCurrentDirectoryForExePathW
NeedCurrentDirectoryForExePathW.restype = wintypes.BOOL
NeedCurrentDirectoryForExePathW.argtypes = [
    wintypes.LPCWSTR,  # ExeName : LPCWSTR
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
NeedCurrentDirectoryForExePathW = Fiddle::Function.new(
  lib['NeedCurrentDirectoryForExePathW'],
  [
    Fiddle::TYPE_VOIDP,  # ExeName : LPCWSTR
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"
#[link(name = "kernel32")]
extern "system" {
    fn NeedCurrentDirectoryForExePathW(
        ExeName: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode)]
public static extern bool NeedCurrentDirectoryForExePathW([MarshalAs(UnmanagedType.LPWStr)] string ExeName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_NeedCurrentDirectoryForExePathW' -Namespace Win32 -PassThru
# $api::NeedCurrentDirectoryForExePathW(ExeName)
#uselib "KERNEL32.dll"
#func global NeedCurrentDirectoryForExePathW "NeedCurrentDirectoryForExePathW" wptr
; NeedCurrentDirectoryForExePathW ExeName   ; 戻り値は stat
; ExeName : LPCWSTR -> "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 "KERNEL32.dll"
#cfunc global NeedCurrentDirectoryForExePathW "NeedCurrentDirectoryForExePathW" wstr
; res = NeedCurrentDirectoryForExePathW(ExeName)
; ExeName : LPCWSTR -> "wstr"
; BOOL NeedCurrentDirectoryForExePathW(LPCWSTR ExeName)
#uselib "KERNEL32.dll"
#cfunc global NeedCurrentDirectoryForExePathW "NeedCurrentDirectoryForExePathW" wstr
; res = NeedCurrentDirectoryForExePathW(ExeName)
; ExeName : LPCWSTR -> "wstr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procNeedCurrentDirectoryForExePathW = kernel32.NewProc("NeedCurrentDirectoryForExePathW")
)

// ExeName (LPCWSTR)
r1, _, err := procNeedCurrentDirectoryForExePathW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ExeName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function NeedCurrentDirectoryForExePathW(
  ExeName: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'NeedCurrentDirectoryForExePathW';
result := DllCall("KERNEL32\NeedCurrentDirectoryForExePathW"
    , "WStr", ExeName   ; LPCWSTR
    , "Int")   ; return: BOOL
●NeedCurrentDirectoryForExePathW(ExeName) = DLL("KERNEL32.dll", "bool NeedCurrentDirectoryForExePathW(char*)")
# 呼び出し: NeedCurrentDirectoryForExePathW(ExeName)
# ExeName : LPCWSTR -> "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。