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IsWinEventHookInstalled

関数

指定イベントのWinEventフックが導入済みか判定する。

DLLUSER32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// USER32.dll
#include <windows.h>

BOOL IsWinEventHookInstalled(
    DWORD event
);

パラメーター

名前	型	方向
event	DWORD	in

戻り値の型: BOOL

各言語での呼び出し定義

// USER32.dll
#include <windows.h>

BOOL IsWinEventHookInstalled(
    DWORD event
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", ExactSpelling = true)]
static extern bool IsWinEventHookInstalled(
    uint event   // DWORD
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function IsWinEventHookInstalled(
    [event] As UInteger   ' DWORD
) As Boolean
End Function

' event : DWORD
Declare PtrSafe Function IsWinEventHookInstalled Lib "user32" ( _
    ByVal event 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

IsWinEventHookInstalled = ctypes.windll.user32.IsWinEventHookInstalled
IsWinEventHookInstalled.restype = wintypes.BOOL
IsWinEventHookInstalled.argtypes = [
    wintypes.DWORD,  # event : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
IsWinEventHookInstalled = Fiddle::Function.new(
  lib['IsWinEventHookInstalled'],
  [
    -Fiddle::TYPE_INT,  # event : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn IsWinEventHookInstalled(
        event: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll")]
public static extern bool IsWinEventHookInstalled(uint event);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_IsWinEventHookInstalled' -Namespace Win32 -PassThru
# $api::IsWinEventHookInstalled(event)

#uselib "USER32.dll"
#func global IsWinEventHookInstalled "IsWinEventHookInstalled" sptr
; IsWinEventHookInstalled event   ; 戻り値は stat
; event : DWORD -> "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 "USER32.dll"
#cfunc global IsWinEventHookInstalled "IsWinEventHookInstalled" int
; res = IsWinEventHookInstalled(event)
; event : DWORD -> "int"

; BOOL IsWinEventHookInstalled(DWORD event)
#uselib "USER32.dll"
#cfunc global IsWinEventHookInstalled "IsWinEventHookInstalled" int
; res = IsWinEventHookInstalled(event)
; event : DWORD -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procIsWinEventHookInstalled = user32.NewProc("IsWinEventHookInstalled")
)

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

function IsWinEventHookInstalled(
  event: DWORD   // DWORD
): BOOL; stdcall;
  external 'USER32.dll' name 'IsWinEventHookInstalled';

result := DllCall("USER32\IsWinEventHookInstalled"
    , "UInt", event   ; DWORD
    , "Int")   ; return: BOOL

●IsWinEventHookInstalled(event) = DLL("USER32.dll", "bool IsWinEventHookInstalled(dword)")
# 呼び出し: IsWinEventHookInstalled(event)
# event : DWORD -> "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)。