GetUILanguageInfo

関数

指定UI言語のフォールバック言語と属性情報を取得する。

DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows Vista 以降

シグネチャ

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

BOOL GetUILanguageInfo(
    DWORD dwFlags,
    LPCWSTR pwmszLanguage,
    LPWSTR pwszFallbackLanguages,   // optional
    DWORD* pcchFallbackLanguages,   // optional
    DWORD* pAttributes
);

パラメーター

名前	型	方向
dwFlags	DWORD	in
pwmszLanguage	LPCWSTR	in
pwszFallbackLanguages	LPWSTR	outoptional
pcchFallbackLanguages	DWORD*	inoutoptional
pAttributes	DWORD*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL GetUILanguageInfo(
    DWORD dwFlags,
    LPCWSTR pwmszLanguage,
    LPWSTR pwszFallbackLanguages,   // optional
    DWORD* pcchFallbackLanguages,   // optional
    DWORD* pAttributes
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool GetUILanguageInfo(
    uint dwFlags,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] string pwmszLanguage,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pwszFallbackLanguages,   // LPWSTR optional, out
    IntPtr pcchFallbackLanguages,   // DWORD* optional, in/out
    out uint pAttributes   // DWORD* out
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetUILanguageInfo(
    dwFlags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pwmszLanguage As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwszFallbackLanguages As System.Text.StringBuilder,   ' LPWSTR optional, out
    pcchFallbackLanguages As IntPtr,   ' DWORD* optional, in/out
    <Out> ByRef pAttributes As UInteger   ' DWORD* out
) As Boolean
End Function

' dwFlags : DWORD
' pwmszLanguage : LPCWSTR
' pwszFallbackLanguages : LPWSTR optional, out
' pcchFallbackLanguages : DWORD* optional, in/out
' pAttributes : DWORD* out
Declare PtrSafe Function GetUILanguageInfo Lib "kernel32" ( _
    ByVal dwFlags As Long, _
    ByVal pwmszLanguage As LongPtr, _
    ByVal pwszFallbackLanguages As LongPtr, _
    ByVal pcchFallbackLanguages As LongPtr, _
    ByRef pAttributes 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

GetUILanguageInfo = ctypes.windll.kernel32.GetUILanguageInfo
GetUILanguageInfo.restype = wintypes.BOOL
GetUILanguageInfo.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.LPCWSTR,  # pwmszLanguage : LPCWSTR
    wintypes.LPWSTR,  # pwszFallbackLanguages : LPWSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcchFallbackLanguages : DWORD* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pAttributes : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetUILanguageInfo = Fiddle::Function.new(
  lib['GetUILanguageInfo'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pwmszLanguage : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwszFallbackLanguages : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # pcchFallbackLanguages : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # pAttributes : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetUILanguageInfo(
        dwFlags: u32,  // DWORD
        pwmszLanguage: *const u16,  // LPCWSTR
        pwszFallbackLanguages: *mut u16,  // LPWSTR optional, out
        pcchFallbackLanguages: *mut u32,  // DWORD* optional, in/out
        pAttributes: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool GetUILanguageInfo(uint dwFlags, [MarshalAs(UnmanagedType.LPWStr)] string pwmszLanguage, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pwszFallbackLanguages, IntPtr pcchFallbackLanguages, out uint pAttributes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetUILanguageInfo' -Namespace Win32 -PassThru
# $api::GetUILanguageInfo(dwFlags, pwmszLanguage, pwszFallbackLanguages, pcchFallbackLanguages, pAttributes)

#uselib "KERNEL32.dll"
#func global GetUILanguageInfo "GetUILanguageInfo" sptr, sptr, sptr, sptr, sptr
; GetUILanguageInfo dwFlags, pwmszLanguage, varptr(pwszFallbackLanguages), varptr(pcchFallbackLanguages), varptr(pAttributes)   ; 戻り値は stat
; dwFlags : DWORD -> "sptr"
; pwmszLanguage : LPCWSTR -> "sptr"
; pwszFallbackLanguages : LPWSTR optional, out -> "sptr"
; pcchFallbackLanguages : DWORD* optional, in/out -> "sptr"
; pAttributes : DWORD* out -> "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 "KERNEL32.dll"
#cfunc global GetUILanguageInfo "GetUILanguageInfo" int, wstr, var, var, var
; res = GetUILanguageInfo(dwFlags, pwmszLanguage, pwszFallbackLanguages, pcchFallbackLanguages, pAttributes)
; dwFlags : DWORD -> "int"
; pwmszLanguage : LPCWSTR -> "wstr"
; pwszFallbackLanguages : LPWSTR optional, out -> "var"
; pcchFallbackLanguages : DWORD* optional, in/out -> "var"
; pAttributes : DWORD* 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 "KERNEL32.dll"
#cfunc global GetUILanguageInfo "GetUILanguageInfo" int, wstr, sptr, sptr, sptr
; res = GetUILanguageInfo(dwFlags, pwmszLanguage, varptr(pwszFallbackLanguages), varptr(pcchFallbackLanguages), varptr(pAttributes))
; dwFlags : DWORD -> "int"
; pwmszLanguage : LPCWSTR -> "wstr"
; pwszFallbackLanguages : LPWSTR optional, out -> "sptr"
; pcchFallbackLanguages : DWORD* optional, in/out -> "sptr"
; pAttributes : DWORD* 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:

; BOOL GetUILanguageInfo(DWORD dwFlags, LPCWSTR pwmszLanguage, LPWSTR pwszFallbackLanguages, DWORD* pcchFallbackLanguages, DWORD* pAttributes)
#uselib "KERNEL32.dll"
#cfunc global GetUILanguageInfo "GetUILanguageInfo" int, wstr, var, var, var
; res = GetUILanguageInfo(dwFlags, pwmszLanguage, pwszFallbackLanguages, pcchFallbackLanguages, pAttributes)
; dwFlags : DWORD -> "int"
; pwmszLanguage : LPCWSTR -> "wstr"
; pwszFallbackLanguages : LPWSTR optional, out -> "var"
; pcchFallbackLanguages : DWORD* optional, in/out -> "var"
; pAttributes : DWORD* 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。; BOOL GetUILanguageInfo(DWORD dwFlags, LPCWSTR pwmszLanguage, LPWSTR pwszFallbackLanguages, DWORD* pcchFallbackLanguages, DWORD* pAttributes)
#uselib "KERNEL32.dll"
#cfunc global GetUILanguageInfo "GetUILanguageInfo" int, wstr, intptr, intptr, intptr
; res = GetUILanguageInfo(dwFlags, pwmszLanguage, varptr(pwszFallbackLanguages), varptr(pcchFallbackLanguages), varptr(pAttributes))
; dwFlags : DWORD -> "int"
; pwmszLanguage : LPCWSTR -> "wstr"
; pwszFallbackLanguages : LPWSTR optional, out -> "intptr"
; pcchFallbackLanguages : DWORD* optional, in/out -> "intptr"
; pAttributes : DWORD* 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procGetUILanguageInfo = kernel32.NewProc("GetUILanguageInfo")
)

// dwFlags (DWORD), pwmszLanguage (LPCWSTR), pwszFallbackLanguages (LPWSTR optional, out), pcchFallbackLanguages (DWORD* optional, in/out), pAttributes (DWORD* out)
r1, _, err := procGetUILanguageInfo.Call(
	uintptr(dwFlags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwmszLanguage))),
	uintptr(pwszFallbackLanguages),
	uintptr(pcchFallbackLanguages),
	uintptr(pAttributes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetUILanguageInfo(
  dwFlags: DWORD;   // DWORD
  pwmszLanguage: PWideChar;   // LPCWSTR
  pwszFallbackLanguages: PWideChar;   // LPWSTR optional, out
  pcchFallbackLanguages: Pointer;   // DWORD* optional, in/out
  pAttributes: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'GetUILanguageInfo';

result := DllCall("KERNEL32\GetUILanguageInfo"
    , "UInt", dwFlags   ; DWORD
    , "WStr", pwmszLanguage   ; LPCWSTR
    , "Ptr", pwszFallbackLanguages   ; LPWSTR optional, out
    , "Ptr", pcchFallbackLanguages   ; DWORD* optional, in/out
    , "Ptr", pAttributes   ; DWORD* out
    , "Int")   ; return: BOOL

●GetUILanguageInfo(dwFlags, pwmszLanguage, pwszFallbackLanguages, pcchFallbackLanguages, pAttributes) = DLL("KERNEL32.dll", "bool GetUILanguageInfo(dword, char*, char*, void*, void*)")
# 呼び出し: GetUILanguageInfo(dwFlags, pwmszLanguage, pwszFallbackLanguages, pcchFallbackLanguages, pAttributes)
# dwFlags : DWORD -> "dword"
# pwmszLanguage : LPCWSTR -> "char*"
# pwszFallbackLanguages : LPWSTR optional, out -> "char*"
# pcchFallbackLanguages : DWORD* optional, in/out -> "void*"
# pAttributes : DWORD* 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)。