Win32 API 日本語リファレンス
ホームUI.WindowsAndMessaging › SendNotifyMessageW

SendNotifyMessageW

関数
メッセージを送り戻りを待たず通知する(Unicode)。
DLLUSER32.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり対応OSWindows 2000 以降

シグネチャ

// USER32.dll  (Unicode / -W)
#include <windows.h>

BOOL SendNotifyMessageW(
    HWND hWnd,
    DWORD Msg,
    WPARAM wParam,
    LPARAM lParam
);

パラメーター

名前方向
hWndHWNDin
MsgDWORDin
wParamWPARAMin
lParamLPARAMin

戻り値の型: BOOL

各言語での呼び出し定義

// USER32.dll  (Unicode / -W)
#include <windows.h>

BOOL SendNotifyMessageW(
    HWND hWnd,
    DWORD Msg,
    WPARAM wParam,
    LPARAM lParam
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool SendNotifyMessageW(
    IntPtr hWnd,   // HWND
    uint Msg,   // DWORD
    UIntPtr wParam,   // WPARAM
    IntPtr lParam   // LPARAM
);
<DllImport("USER32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SendNotifyMessageW(
    hWnd As IntPtr,   ' HWND
    Msg As UInteger,   ' DWORD
    wParam As UIntPtr,   ' WPARAM
    lParam As IntPtr   ' LPARAM
) As Boolean
End Function
' hWnd : HWND
' Msg : DWORD
' wParam : WPARAM
' lParam : LPARAM
Declare PtrSafe Function SendNotifyMessageW Lib "user32" ( _
    ByVal hWnd 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

SendNotifyMessageW = ctypes.windll.user32.SendNotifyMessageW
SendNotifyMessageW.restype = wintypes.BOOL
SendNotifyMessageW.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    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')
SendNotifyMessageW = Fiddle::Function.new(
  lib['SendNotifyMessageW'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    -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 SendNotifyMessageW(
        hWnd: *mut core::ffi::c_void,  // HWND
        Msg: u32,  // DWORD
        wParam: usize,  // WPARAM
        lParam: isize  // LPARAM
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SendNotifyMessageW(IntPtr hWnd, uint Msg, UIntPtr wParam, IntPtr lParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_SendNotifyMessageW' -Namespace Win32 -PassThru
# $api::SendNotifyMessageW(hWnd, Msg, wParam, lParam)
#uselib "USER32.dll"
#func global SendNotifyMessageW "SendNotifyMessageW" wptr, wptr, wptr, wptr
; SendNotifyMessageW hWnd, Msg, wParam, lParam   ; 戻り値は stat
; hWnd : HWND -> "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。
#uselib "USER32.dll"
#cfunc global SendNotifyMessageW "SendNotifyMessageW" sptr, int, sptr, sptr
; res = SendNotifyMessageW(hWnd, Msg, wParam, lParam)
; hWnd : HWND -> "sptr"
; Msg : DWORD -> "int"
; wParam : WPARAM -> "sptr"
; lParam : LPARAM -> "sptr"
; BOOL SendNotifyMessageW(HWND hWnd, DWORD Msg, WPARAM wParam, LPARAM lParam)
#uselib "USER32.dll"
#cfunc global SendNotifyMessageW "SendNotifyMessageW" intptr, int, intptr, intptr
; res = SendNotifyMessageW(hWnd, Msg, wParam, lParam)
; hWnd : HWND -> "intptr"
; Msg : DWORD -> "int"
; wParam : WPARAM -> "intptr"
; lParam : LPARAM -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procSendNotifyMessageW = user32.NewProc("SendNotifyMessageW")
)

// hWnd (HWND), Msg (DWORD), wParam (WPARAM), lParam (LPARAM)
r1, _, err := procSendNotifyMessageW.Call(
	uintptr(hWnd),
	uintptr(Msg),
	uintptr(wParam),
	uintptr(lParam),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function SendNotifyMessageW(
  hWnd: THandle;   // HWND
  Msg: DWORD;   // DWORD
  wParam: NativeUInt;   // WPARAM
  lParam: NativeInt   // LPARAM
): BOOL; stdcall;
  external 'USER32.dll' name 'SendNotifyMessageW';
result := DllCall("USER32\SendNotifyMessageW"
    , "Ptr", hWnd   ; HWND
    , "UInt", Msg   ; DWORD
    , "UPtr", wParam   ; WPARAM
    , "Ptr", lParam   ; LPARAM
    , "Int")   ; return: BOOL
●SendNotifyMessageW(hWnd, Msg, wParam, lParam) = DLL("USER32.dll", "bool SendNotifyMessageW(void*, dword, int, int)")
# 呼び出し: SendNotifyMessageW(hWnd, Msg, wParam, lParam)
# hWnd : HWND -> "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。