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WindowsGetStringRawBuffer
関数HSTRINGの内部UTF-16バッファへのポインタを取得する。
シグネチャ
// api-ms-win-core-winrt-string-l1-1-0.dll
#include <windows.h>
LPWSTR WindowsGetStringRawBuffer(
HSTRING string, // optional
DWORD* length // optional
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| string | HSTRING | inoptional | 生バッファを取得する対象のHSTRING。NULL可。 |
| length | DWORD* | outoptional | 出力として文字列の文字数を受け取るDWORDポインタ。NULL可。 |
戻り値の型: LPWSTR
各言語での呼び出し定義
// api-ms-win-core-winrt-string-l1-1-0.dll
#include <windows.h>
LPWSTR WindowsGetStringRawBuffer(
HSTRING string, // optional
DWORD* length // optional
);[DllImport("api-ms-win-core-winrt-string-l1-1-0.dll", ExactSpelling = true)]
static extern IntPtr WindowsGetStringRawBuffer(
IntPtr string, // HSTRING optional
IntPtr length // DWORD* optional, out
);<DllImport("api-ms-win-core-winrt-string-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function WindowsGetStringRawBuffer(
[string] As IntPtr, ' HSTRING optional
length As IntPtr ' DWORD* optional, out
) As IntPtr
End Function' string : HSTRING optional
' length : DWORD* optional, out
Declare PtrSafe Function WindowsGetStringRawBuffer Lib "api-ms-win-core-winrt-string-l1-1-0" ( _
ByVal string As LongPtr, _
ByVal length As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
WindowsGetStringRawBuffer = ctypes.windll.LoadLibrary("api-ms-win-core-winrt-string-l1-1-0.dll").WindowsGetStringRawBuffer
WindowsGetStringRawBuffer.restype = wintypes.LPWSTR
WindowsGetStringRawBuffer.argtypes = [
wintypes.HANDLE, # string : HSTRING optional
ctypes.POINTER(wintypes.DWORD), # length : DWORD* optional, out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('api-ms-win-core-winrt-string-l1-1-0.dll')
WindowsGetStringRawBuffer = Fiddle::Function.new(
lib['WindowsGetStringRawBuffer'],
[
Fiddle::TYPE_VOIDP, # string : HSTRING optional
Fiddle::TYPE_VOIDP, # length : DWORD* optional, out
],
Fiddle::TYPE_VOIDP)#[link(name = "api-ms-win-core-winrt-string-l1-1-0")]
extern "system" {
fn WindowsGetStringRawBuffer(
string: *mut core::ffi::c_void, // HSTRING optional
length: *mut u32 // DWORD* optional, out
) -> *mut u16;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("api-ms-win-core-winrt-string-l1-1-0.dll")]
public static extern IntPtr WindowsGetStringRawBuffer(IntPtr string, IntPtr length);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-winrt-string-l1-1-0_WindowsGetStringRawBuffer' -Namespace Win32 -PassThru
# $api::WindowsGetStringRawBuffer(string, length)#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#func global WindowsGetStringRawBuffer "WindowsGetStringRawBuffer" sptr, sptr
; WindowsGetStringRawBuffer string, varptr(length) ; 戻り値は stat
; string : HSTRING optional -> "sptr"
; length : DWORD* optional, 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 "api-ms-win-core-winrt-string-l1-1-0.dll" #cfunc global WindowsGetStringRawBuffer "WindowsGetStringRawBuffer" sptr, var ; res = WindowsGetStringRawBuffer(string, length) ; string : HSTRING optional -> "sptr" ; length : 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 "api-ms-win-core-winrt-string-l1-1-0.dll" #cfunc global WindowsGetStringRawBuffer "WindowsGetStringRawBuffer" sptr, sptr ; res = WindowsGetStringRawBuffer(string, varptr(length)) ; string : HSTRING optional -> "sptr" ; length : 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:
; LPWSTR WindowsGetStringRawBuffer(HSTRING string, DWORD* length) #uselib "api-ms-win-core-winrt-string-l1-1-0.dll" #cfunc global WindowsGetStringRawBuffer "WindowsGetStringRawBuffer" intptr, var ; res = WindowsGetStringRawBuffer(string, length) ; string : HSTRING optional -> "intptr" ; length : 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。; LPWSTR WindowsGetStringRawBuffer(HSTRING string, DWORD* length) #uselib "api-ms-win-core-winrt-string-l1-1-0.dll" #cfunc global WindowsGetStringRawBuffer "WindowsGetStringRawBuffer" intptr, intptr ; res = WindowsGetStringRawBuffer(string, varptr(length)) ; string : HSTRING optional -> "intptr" ; length : 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 (
api_ms_win_core_winrt_string_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-winrt-string-l1-1-0.dll")
procWindowsGetStringRawBuffer = api_ms_win_core_winrt_string_l1_1_0.NewProc("WindowsGetStringRawBuffer")
)
// string (HSTRING optional), length (DWORD* optional, out)
r1, _, err := procWindowsGetStringRawBuffer.Call(
uintptr(string),
uintptr(length),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // LPWSTRfunction WindowsGetStringRawBuffer(
string: THandle; // HSTRING optional
length: Pointer // DWORD* optional, out
): PWideChar; stdcall;
external 'api-ms-win-core-winrt-string-l1-1-0.dll' name 'WindowsGetStringRawBuffer';result := DllCall("api-ms-win-core-winrt-string-l1-1-0\WindowsGetStringRawBuffer"
, "Ptr", string ; HSTRING optional
, "Ptr", length ; DWORD* optional, out
, "Ptr") ; return: LPWSTR●WindowsGetStringRawBuffer(string, length) = DLL("api-ms-win-core-winrt-string-l1-1-0.dll", "char* WindowsGetStringRawBuffer(void*, void*)")
# 呼び出し: WindowsGetStringRawBuffer(string, length)
# string : HSTRING optional -> "void*"
# length : 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)。const std = @import("std");
extern "api-ms-win-core-winrt-string-l1-1-0" fn WindowsGetStringRawBuffer(
string: ?*anyopaque, // HSTRING optional
length: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) [*c]const u16;proc WindowsGetStringRawBuffer(
string: pointer, # HSTRING optional
length: ptr uint32 # DWORD* optional, out
): WideCString {.importc: "WindowsGetStringRawBuffer", stdcall, dynlib: "api-ms-win-core-winrt-string-l1-1-0.dll".}pragma(lib, "api-ms-win-core-winrt-string-l1-1-0");
extern(Windows)
const(wchar)* WindowsGetStringRawBuffer(
void* string, // HSTRING optional
uint* length // DWORD* optional, out
);ccall((:WindowsGetStringRawBuffer, "api-ms-win-core-winrt-string-l1-1-0.dll"), stdcall, Cwstring,
(Ptr{Cvoid}, Ptr{UInt32}),
string, length)
# string : HSTRING optional -> Ptr{Cvoid}
# length : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
const uint16_t* WindowsGetStringRawBuffer(
void* string,
uint32_t* length);
]]
local api-ms-win-core-winrt-string-l1-1-0 = ffi.load("api-ms-win-core-winrt-string-l1-1-0")
-- api-ms-win-core-winrt-string-l1-1-0.WindowsGetStringRawBuffer(string, length)
-- string : HSTRING optional
-- length : 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。const koffi = require('koffi');
const lib = koffi.load('api-ms-win-core-winrt-string-l1-1-0.dll');
const WindowsGetStringRawBuffer = lib.func('__stdcall', 'WindowsGetStringRawBuffer', 'void *', ['void *', 'uint32_t *']);
// WindowsGetStringRawBuffer(string, length)
// string : HSTRING optional -> 'void *'
// length : 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("api-ms-win-core-winrt-string-l1-1-0.dll", {
WindowsGetStringRawBuffer: { parameters: ["pointer", "pointer"], result: "pointer" },
});
// lib.symbols.WindowsGetStringRawBuffer(string, length)
// string : HSTRING optional -> "pointer"
// length : DWORD* optional, out -> "pointer"
// 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
const uint16_t* WindowsGetStringRawBuffer(
void* string,
uint32_t* length);
C, "api-ms-win-core-winrt-string-l1-1-0.dll");
// $ffi->WindowsGetStringRawBuffer(string, length);
// string : HSTRING optional
// length : DWORD* optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Api-ms-win-core-winrt-string-l1-1-0 extends StdCallLibrary {
Api-ms-win-core-winrt-string-l1-1-0 INSTANCE = Native.load("api-ms-win-core-winrt-string-l1-1-0", Api-ms-win-core-winrt-string-l1-1-0.class);
Pointer WindowsGetStringRawBuffer(
Pointer string, // HSTRING optional
IntByReference length // DWORD* optional, out
);
}@[Link("api-ms-win-core-winrt-string-l1-1-0")]
lib Libapi-ms-win-core-winrt-string-l1-1-0
fun WindowsGetStringRawBuffer = WindowsGetStringRawBuffer(
string : Void*, # HSTRING optional
length : UInt32* # DWORD* optional, out
) : UInt16*
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef WindowsGetStringRawBufferNative = Pointer<Utf16> Function(Pointer<Void>, Pointer<Uint32>);
typedef WindowsGetStringRawBufferDart = Pointer<Utf16> Function(Pointer<Void>, Pointer<Uint32>);
final WindowsGetStringRawBuffer = DynamicLibrary.open('api-ms-win-core-winrt-string-l1-1-0.dll')
.lookupFunction<WindowsGetStringRawBufferNative, WindowsGetStringRawBufferDart>('WindowsGetStringRawBuffer');
// string : HSTRING optional -> Pointer<Void>
// length : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function WindowsGetStringRawBuffer(
string: THandle; // HSTRING optional
length: Pointer // DWORD* optional, out
): PWideChar; stdcall;
external 'api-ms-win-core-winrt-string-l1-1-0.dll' name 'WindowsGetStringRawBuffer';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "WindowsGetStringRawBuffer"
c_WindowsGetStringRawBuffer :: Ptr () -> Ptr Word32 -> IO CWString
-- string : HSTRING optional -> Ptr ()
-- length : 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 windowsgetstringrawbuffer =
foreign "WindowsGetStringRawBuffer"
((ptr void) @-> (ptr uint32_t) @-> returning (ptr uint16_t))
(* string : HSTRING optional -> (ptr void) *)
(* length : 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 api-ms-win-core-winrt-string-l1-1-0 (t "api-ms-win-core-winrt-string-l1-1-0.dll"))
(cffi:use-foreign-library api-ms-win-core-winrt-string-l1-1-0)
(cffi:defcfun ("WindowsGetStringRawBuffer" windows-get-string-raw-buffer :convention :stdcall) (:string :encoding :utf-16le)
(string :pointer) ; HSTRING optional
(length :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 $WindowsGetStringRawBuffer = Win32::API::More->new('api-ms-win-core-winrt-string-l1-1-0',
'LPWSTR WindowsGetStringRawBuffer(HANDLE string, LPVOID length)');
# my $ret = $WindowsGetStringRawBuffer->Call($string, $length);
# string : HSTRING optional -> HANDLE
# length : 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。