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BroadcastSystemMessageW
関数システム内の指定受信者へメッセージを送信する。
シグネチャ
// USER32.dll (Unicode / -W)
#include <windows.h>
INT BroadcastSystemMessageW(
BROADCAST_SYSTEM_MESSAGE_FLAGS flags,
BROADCAST_SYSTEM_MESSAGE_INFO* lpInfo, // optional
DWORD Msg,
WPARAM wParam,
LPARAM lParam
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| flags | BROADCAST_SYSTEM_MESSAGE_FLAGS | in | ブロードキャスト動作を制御するフラグ。BSF_QUERY 等。 |
| lpInfo | BROADCAST_SYSTEM_MESSAGE_INFO* | inoutoptional | 送信先を指定し結果を受け取るフラグへのポインタ。NULL で全コンポーネント。 |
| Msg | DWORD | in | 送信するメッセージ識別子(ウィンドウメッセージ)。 |
| wParam | WPARAM | in | メッセージに付随する WPARAM 値。 |
| lParam | LPARAM | in | メッセージに付随する LPARAM 値。 |
戻り値の型: INT
各言語での呼び出し定義
// USER32.dll (Unicode / -W)
#include <windows.h>
INT BroadcastSystemMessageW(
BROADCAST_SYSTEM_MESSAGE_FLAGS flags,
BROADCAST_SYSTEM_MESSAGE_INFO* lpInfo, // optional
DWORD Msg,
WPARAM wParam,
LPARAM lParam
);[DllImport("USER32.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern int BroadcastSystemMessageW(
uint flags, // BROADCAST_SYSTEM_MESSAGE_FLAGS
IntPtr lpInfo, // BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
uint Msg, // DWORD
UIntPtr wParam, // WPARAM
IntPtr lParam // LPARAM
);<DllImport("USER32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function BroadcastSystemMessageW(
flags As UInteger, ' BROADCAST_SYSTEM_MESSAGE_FLAGS
lpInfo As IntPtr, ' BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
Msg As UInteger, ' DWORD
wParam As UIntPtr, ' WPARAM
lParam As IntPtr ' LPARAM
) As Integer
End Function' flags : BROADCAST_SYSTEM_MESSAGE_FLAGS
' lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
' Msg : DWORD
' wParam : WPARAM
' lParam : LPARAM
Declare PtrSafe Function BroadcastSystemMessageW Lib "user32" ( _
ByVal flags As Long, _
ByVal lpInfo As LongPtr, _
ByVal Msg As Long, _
ByVal wParam As LongPtr, _
ByVal lParam 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
BroadcastSystemMessageW = ctypes.windll.user32.BroadcastSystemMessageW
BroadcastSystemMessageW.restype = ctypes.c_int
BroadcastSystemMessageW.argtypes = [
wintypes.DWORD, # flags : BROADCAST_SYSTEM_MESSAGE_FLAGS
ctypes.c_void_p, # lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
wintypes.DWORD, # Msg : DWORD
ctypes.c_size_t, # wParam : WPARAM
ctypes.c_ssize_t, # lParam : LPARAM
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('USER32.dll')
BroadcastSystemMessageW = Fiddle::Function.new(
lib['BroadcastSystemMessageW'],
[
-Fiddle::TYPE_INT, # flags : BROADCAST_SYSTEM_MESSAGE_FLAGS
Fiddle::TYPE_VOIDP, # lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
-Fiddle::TYPE_INT, # Msg : DWORD
Fiddle::TYPE_UINTPTR_T, # wParam : WPARAM
Fiddle::TYPE_INTPTR_T, # lParam : LPARAM
],
Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "user32")]
extern "system" {
fn BroadcastSystemMessageW(
flags: u32, // BROADCAST_SYSTEM_MESSAGE_FLAGS
lpInfo: *mut u32, // BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
Msg: u32, // DWORD
wParam: usize, // WPARAM
lParam: isize // LPARAM
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("USER32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern int BroadcastSystemMessageW(uint flags, IntPtr lpInfo, uint Msg, UIntPtr wParam, IntPtr lParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_BroadcastSystemMessageW' -Namespace Win32 -PassThru
# $api::BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam)#uselib "USER32.dll"
#func global BroadcastSystemMessageW "BroadcastSystemMessageW" wptr, wptr, wptr, wptr, wptr
; BroadcastSystemMessageW flags, varptr(lpInfo), Msg, wParam, lParam ; 戻り値は stat
; flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> "wptr"
; lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> "wptr"
; Msg : DWORD -> "wptr"
; wParam : WPARAM -> "wptr"
; lParam : LPARAM -> "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 "USER32.dll" #cfunc global BroadcastSystemMessageW "BroadcastSystemMessageW" int, var, int, sptr, sptr ; res = BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam) ; flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> "int" ; lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> "var" ; Msg : DWORD -> "int" ; wParam : WPARAM -> "sptr" ; lParam : LPARAM -> "sptr" ; ※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 "USER32.dll" #cfunc global BroadcastSystemMessageW "BroadcastSystemMessageW" int, sptr, int, sptr, sptr ; res = BroadcastSystemMessageW(flags, varptr(lpInfo), Msg, wParam, lParam) ; flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> "int" ; lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> "sptr" ; Msg : DWORD -> "int" ; wParam : WPARAM -> "sptr" ; lParam : LPARAM -> "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:
; INT BroadcastSystemMessageW(BROADCAST_SYSTEM_MESSAGE_FLAGS flags, BROADCAST_SYSTEM_MESSAGE_INFO* lpInfo, DWORD Msg, WPARAM wParam, LPARAM lParam) #uselib "USER32.dll" #cfunc global BroadcastSystemMessageW "BroadcastSystemMessageW" int, var, int, intptr, intptr ; res = BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam) ; flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> "int" ; lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> "var" ; Msg : DWORD -> "int" ; wParam : WPARAM -> "intptr" ; lParam : LPARAM -> "intptr" ; ※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。; INT BroadcastSystemMessageW(BROADCAST_SYSTEM_MESSAGE_FLAGS flags, BROADCAST_SYSTEM_MESSAGE_INFO* lpInfo, DWORD Msg, WPARAM wParam, LPARAM lParam) #uselib "USER32.dll" #cfunc global BroadcastSystemMessageW "BroadcastSystemMessageW" int, intptr, int, intptr, intptr ; res = BroadcastSystemMessageW(flags, varptr(lpInfo), Msg, wParam, lParam) ; flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> "int" ; lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> "intptr" ; Msg : DWORD -> "int" ; wParam : WPARAM -> "intptr" ; lParam : LPARAM -> "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 (
user32 = windows.NewLazySystemDLL("USER32.dll")
procBroadcastSystemMessageW = user32.NewProc("BroadcastSystemMessageW")
)
// flags (BROADCAST_SYSTEM_MESSAGE_FLAGS), lpInfo (BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out), Msg (DWORD), wParam (WPARAM), lParam (LPARAM)
r1, _, err := procBroadcastSystemMessageW.Call(
uintptr(flags),
uintptr(lpInfo),
uintptr(Msg),
uintptr(wParam),
uintptr(lParam),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // INTfunction BroadcastSystemMessageW(
flags: DWORD; // BROADCAST_SYSTEM_MESSAGE_FLAGS
lpInfo: Pointer; // BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
Msg: DWORD; // DWORD
wParam: NativeUInt; // WPARAM
lParam: NativeInt // LPARAM
): Integer; stdcall;
external 'USER32.dll' name 'BroadcastSystemMessageW';result := DllCall("USER32\BroadcastSystemMessageW"
, "UInt", flags ; BROADCAST_SYSTEM_MESSAGE_FLAGS
, "Ptr", lpInfo ; BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
, "UInt", Msg ; DWORD
, "UPtr", wParam ; WPARAM
, "Ptr", lParam ; LPARAM
, "Int") ; return: INT●BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam) = DLL("USER32.dll", "int BroadcastSystemMessageW(dword, void*, dword, int, int)")
# 呼び出し: BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam)
# flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> "dword"
# lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> "void*"
# Msg : DWORD -> "dword"
# wParam : WPARAM -> "int"
# lParam : LPARAM -> "int"
# 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 "user32" fn BroadcastSystemMessageW(
flags: u32, // BROADCAST_SYSTEM_MESSAGE_FLAGS
lpInfo: [*c]u32, // BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
Msg: u32, // DWORD
wParam: usize, // WPARAM
lParam: isize // LPARAM
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。proc BroadcastSystemMessageW(
flags: uint32, # BROADCAST_SYSTEM_MESSAGE_FLAGS
lpInfo: ptr uint32, # BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
Msg: uint32, # DWORD
wParam: uint, # WPARAM
lParam: int # LPARAM
): int32 {.importc: "BroadcastSystemMessageW", stdcall, dynlib: "USER32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。pragma(lib, "user32");
extern(Windows)
int BroadcastSystemMessageW(
uint flags, // BROADCAST_SYSTEM_MESSAGE_FLAGS
uint* lpInfo, // BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
uint Msg, // DWORD
size_t wParam, // WPARAM
ptrdiff_t lParam // LPARAM
);ccall((:BroadcastSystemMessageW, "USER32.dll"), stdcall, Int32,
(UInt32, Ptr{UInt32}, UInt32, Csize_t, Int),
flags, lpInfo, Msg, wParam, lParam)
# flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> UInt32
# lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> Ptr{UInt32}
# Msg : DWORD -> UInt32
# wParam : WPARAM -> Csize_t
# lParam : LPARAM -> Int
# 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[[
int32_t BroadcastSystemMessageW(
uint32_t flags,
uint32_t* lpInfo,
uint32_t Msg,
uintptr_t wParam,
intptr_t lParam);
]]
local user32 = ffi.load("user32")
-- user32.BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam)
-- flags : BROADCAST_SYSTEM_MESSAGE_FLAGS
-- lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
-- Msg : DWORD
-- wParam : WPARAM
-- lParam : LPARAM
-- 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('USER32.dll');
const BroadcastSystemMessageW = lib.func('__stdcall', 'BroadcastSystemMessageW', 'int32_t', ['uint32_t', 'uint32_t *', 'uint32_t', 'uintptr_t', 'intptr_t']);
// BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam)
// flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> 'uint32_t'
// lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> 'uint32_t *'
// Msg : DWORD -> 'uint32_t'
// wParam : WPARAM -> 'uintptr_t'
// lParam : LPARAM -> 'intptr_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("USER32.dll", {
BroadcastSystemMessageW: { parameters: ["u32", "pointer", "u32", "usize", "isize"], result: "i32" },
});
// lib.symbols.BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam)
// flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> "u32"
// lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> "pointer"
// Msg : DWORD -> "u32"
// wParam : WPARAM -> "usize"
// lParam : LPARAM -> "isize"
// 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
int32_t BroadcastSystemMessageW(
uint32_t flags,
uint32_t* lpInfo,
uint32_t Msg,
size_t wParam,
intptr_t lParam);
C, "USER32.dll");
// $ffi->BroadcastSystemMessageW(flags, lpInfo, Msg, wParam, lParam);
// flags : BROADCAST_SYSTEM_MESSAGE_FLAGS
// lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
// Msg : DWORD
// wParam : WPARAM
// lParam : LPARAM
// 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 User32 extends StdCallLibrary {
User32 INSTANCE = Native.load("user32", User32.class, W32APIOptions.UNICODE_OPTIONS);
int BroadcastSystemMessageW(
int flags, // BROADCAST_SYSTEM_MESSAGE_FLAGS
IntByReference lpInfo, // BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
int Msg, // DWORD
long wParam, // WPARAM
long lParam // LPARAM
);
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。@[Link("user32")]
lib LibUSER32
fun BroadcastSystemMessageW = BroadcastSystemMessageW(
flags : UInt32, # BROADCAST_SYSTEM_MESSAGE_FLAGS
lpInfo : UInt32*, # BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
Msg : UInt32, # DWORD
wParam : LibC::SizeT, # WPARAM
lParam : LibC::SSizeT # LPARAM
) : Int32
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 BroadcastSystemMessageWNative = Int32 Function(Uint32, Pointer<Uint32>, Uint32, UintPtr, IntPtr);
typedef BroadcastSystemMessageWDart = int Function(int, Pointer<Uint32>, int, int, int);
final BroadcastSystemMessageW = DynamicLibrary.open('USER32.dll')
.lookupFunction<BroadcastSystemMessageWNative, BroadcastSystemMessageWDart>('BroadcastSystemMessageW');
// flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> Uint32
// lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> Pointer<Uint32>
// Msg : DWORD -> Uint32
// wParam : WPARAM -> UintPtr
// lParam : LPARAM -> IntPtr
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function BroadcastSystemMessageW(
flags: DWORD; // BROADCAST_SYSTEM_MESSAGE_FLAGS
lpInfo: Pointer; // BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
Msg: DWORD; // DWORD
wParam: NativeUInt; // WPARAM
lParam: NativeInt // LPARAM
): Integer; stdcall;
external 'USER32.dll' name 'BroadcastSystemMessageW';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "BroadcastSystemMessageW"
c_BroadcastSystemMessageW :: Word32 -> Ptr Word32 -> Word32 -> CUIntPtr -> CIntPtr -> IO Int32
-- flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> Word32
-- lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> Ptr Word32
-- Msg : DWORD -> Word32
-- wParam : WPARAM -> CUIntPtr
-- lParam : LPARAM -> CIntPtr
-- 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 broadcastsystemmessagew =
foreign "BroadcastSystemMessageW"
(uint32_t @-> (ptr uint32_t) @-> uint32_t @-> size_t @-> intptr_t @-> returning int32_t)
(* flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> uint32_t *)
(* lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> (ptr uint32_t) *)
(* Msg : DWORD -> uint32_t *)
(* wParam : WPARAM -> size_t *)
(* lParam : LPARAM -> intptr_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 user32 (t "USER32.dll"))
(cffi:use-foreign-library user32)
(cffi:defcfun ("BroadcastSystemMessageW" broadcast-system-message-w :convention :stdcall) :int32
(flags :uint32) ; BROADCAST_SYSTEM_MESSAGE_FLAGS
(lp-info :pointer) ; BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out
(msg :uint32) ; DWORD
(w-param :uint64) ; WPARAM
(l-param :int64)) ; LPARAM
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $BroadcastSystemMessageW = Win32::API::More->new('USER32',
'int BroadcastSystemMessageW(DWORD flags, LPVOID lpInfo, DWORD Msg, WPARAM wParam, LPARAM lParam)');
# my $ret = $BroadcastSystemMessageW->Call($flags, $lpInfo, $Msg, $wParam, $lParam);
# flags : BROADCAST_SYSTEM_MESSAGE_FLAGS -> DWORD
# lpInfo : BROADCAST_SYSTEM_MESSAGE_INFO* optional, in/out -> LPVOID
# Msg : DWORD -> DWORD
# wParam : WPARAM -> WPARAM
# lParam : LPARAM -> LPARAM
# 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。関連項目
文字セット違い
- f BroadcastSystemMessageA (ANSI版) — システム内の指定受信者へメッセージを送信する。
類似 API
- f BroadcastSystemMessageExW — 拡張情報付きでシステムメッセージを各受信者へ送信する。