IsValidLocale

関数

指定ロケールがインストール済みで有効か判定する。

DLLKERNEL32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// KERNEL32.dll
#include <windows.h>

BOOL IsValidLocale(
    DWORD Locale,
    IS_VALID_LOCALE_FLAGS dwFlags
);

パラメーター

名前	型	方向
Locale	DWORD	in
dwFlags	IS_VALID_LOCALE_FLAGS	in

戻り値の型: BOOL

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

BOOL IsValidLocale(
    DWORD Locale,
    IS_VALID_LOCALE_FLAGS dwFlags
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", ExactSpelling = true)]
static extern bool IsValidLocale(
    uint Locale,   // DWORD
    uint dwFlags   // IS_VALID_LOCALE_FLAGS
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function IsValidLocale(
    Locale As UInteger,   ' DWORD
    dwFlags As UInteger   ' IS_VALID_LOCALE_FLAGS
) As Boolean
End Function

' Locale : DWORD
' dwFlags : IS_VALID_LOCALE_FLAGS
Declare PtrSafe Function IsValidLocale Lib "kernel32" ( _
    ByVal Locale 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

IsValidLocale = ctypes.windll.kernel32.IsValidLocale
IsValidLocale.restype = wintypes.BOOL
IsValidLocale.argtypes = [
    wintypes.DWORD,  # Locale : DWORD
    wintypes.DWORD,  # dwFlags : IS_VALID_LOCALE_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
IsValidLocale = Fiddle::Function.new(
  lib['IsValidLocale'],
  [
    -Fiddle::TYPE_INT,  # Locale : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : IS_VALID_LOCALE_FLAGS
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn IsValidLocale(
        Locale: u32,  // DWORD
        dwFlags: u32  // IS_VALID_LOCALE_FLAGS
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool IsValidLocale(uint Locale, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_IsValidLocale' -Namespace Win32 -PassThru
# $api::IsValidLocale(Locale, dwFlags)

#uselib "KERNEL32.dll"
#func global IsValidLocale "IsValidLocale" sptr, sptr
; IsValidLocale Locale, dwFlags   ; 戻り値は stat
; Locale : DWORD -> "sptr"
; dwFlags : IS_VALID_LOCALE_FLAGS -> "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。

#uselib "KERNEL32.dll"
#cfunc global IsValidLocale "IsValidLocale" int, int
; res = IsValidLocale(Locale, dwFlags)
; Locale : DWORD -> "int"
; dwFlags : IS_VALID_LOCALE_FLAGS -> "int"

; BOOL IsValidLocale(DWORD Locale, IS_VALID_LOCALE_FLAGS dwFlags)
#uselib "KERNEL32.dll"
#cfunc global IsValidLocale "IsValidLocale" int, int
; res = IsValidLocale(Locale, dwFlags)
; Locale : DWORD -> "int"
; dwFlags : IS_VALID_LOCALE_FLAGS -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procIsValidLocale = kernel32.NewProc("IsValidLocale")
)

// Locale (DWORD), dwFlags (IS_VALID_LOCALE_FLAGS)
r1, _, err := procIsValidLocale.Call(
	uintptr(Locale),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function IsValidLocale(
  Locale: DWORD;   // DWORD
  dwFlags: DWORD   // IS_VALID_LOCALE_FLAGS
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'IsValidLocale';

result := DllCall("KERNEL32\IsValidLocale"
    , "UInt", Locale   ; DWORD
    , "UInt", dwFlags   ; IS_VALID_LOCALE_FLAGS
    , "Int")   ; return: BOOL

●IsValidLocale(Locale, dwFlags) = DLL("KERNEL32.dll", "bool IsValidLocale(dword, dword)")
# 呼び出し: IsValidLocale(Locale, dwFlags)
# Locale : DWORD -> "dword"
# dwFlags : IS_VALID_LOCALE_FLAGS -> "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)。