CallNextHookEx

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

LRESULT CallNextHookEx(
    HHOOK hhk,   // optional
    INT nCode,
    WPARAM wParam,
    LPARAM lParam
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function CallNextHookEx(
    hhk As IntPtr,   ' HHOOK optional
    nCode As Integer,   ' INT
    wParam As UIntPtr,   ' WPARAM
    lParam As IntPtr   ' LPARAM
) As IntPtr
End Function

' hhk : HHOOK optional
' nCode : INT
' wParam : WPARAM
' lParam : LPARAM
Declare PtrSafe Function CallNextHookEx Lib "user32" ( _
    ByVal hhk As LongPtr, _
    ByVal nCode As Long, _
    ByVal wParam As LongPtr, _
    ByVal lParam 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

CallNextHookEx = ctypes.windll.user32.CallNextHookEx
CallNextHookEx.restype = ctypes.c_ssize_t
CallNextHookEx.argtypes = [
    wintypes.HANDLE,  # hhk : HHOOK optional
    ctypes.c_int,  # nCode : INT
    ctypes.c_size_t,  # wParam : WPARAM
    ctypes.c_ssize_t,  # lParam : LPARAM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
CallNextHookEx = Fiddle::Function.new(
  lib['CallNextHookEx'],
  [
    Fiddle::TYPE_VOIDP,  # hhk : HHOOK optional
    Fiddle::TYPE_INT,  # nCode : INT
    Fiddle::TYPE_UINTPTR_T,  # wParam : WPARAM
    Fiddle::TYPE_INTPTR_T,  # lParam : LPARAM
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "user32")]
extern "system" {
    fn CallNextHookEx(
        hhk: *mut core::ffi::c_void,  // HHOOK optional
        nCode: i32,  // INT
        wParam: usize,  // WPARAM
        lParam: isize  // LPARAM
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll")]
public static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, UIntPtr wParam, IntPtr lParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_CallNextHookEx' -Namespace Win32 -PassThru
# $api::CallNextHookEx(hhk, nCode, wParam, lParam)

#uselib "USER32.dll"
#func global CallNextHookEx "CallNextHookEx" sptr, sptr, sptr, sptr
; CallNextHookEx hhk, nCode, wParam, lParam   ; 戻り値は stat
; hhk : HHOOK optional -> "sptr"
; nCode : INT -> "sptr"
; wParam : WPARAM -> "sptr"
; lParam : LPARAM -> "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 CallNextHookEx "CallNextHookEx" sptr, int, sptr, sptr
; res = CallNextHookEx(hhk, nCode, wParam, lParam)
; hhk : HHOOK optional -> "sptr"
; nCode : INT -> "int"
; wParam : WPARAM -> "sptr"
; lParam : LPARAM -> "sptr"

; LRESULT CallNextHookEx(HHOOK hhk, INT nCode, WPARAM wParam, LPARAM lParam)
#uselib "USER32.dll"
#cfunc global CallNextHookEx "CallNextHookEx" intptr, int, intptr, intptr
; res = CallNextHookEx(hhk, nCode, wParam, lParam)
; hhk : HHOOK optional -> "intptr"
; nCode : INT -> "int"
; wParam : WPARAM -> "intptr"
; lParam : LPARAM -> "intptr"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procCallNextHookEx = user32.NewProc("CallNextHookEx")
)

// hhk (HHOOK optional), nCode (INT), wParam (WPARAM), lParam (LPARAM)
r1, _, err := procCallNextHookEx.Call(
	uintptr(hhk),
	uintptr(nCode),
	uintptr(wParam),
	uintptr(lParam),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LRESULT

function CallNextHookEx(
  hhk: THandle;   // HHOOK optional
  nCode: Integer;   // INT
  wParam: NativeUInt;   // WPARAM
  lParam: NativeInt   // LPARAM
): NativeInt; stdcall;
  external 'USER32.dll' name 'CallNextHookEx';

result := DllCall("USER32\CallNextHookEx"
    , "Ptr", hhk   ; HHOOK optional
    , "Int", nCode   ; INT
    , "UPtr", wParam   ; WPARAM
    , "Ptr", lParam   ; LPARAM
    , "Ptr")   ; return: LRESULT

●CallNextHookEx(hhk, nCode, wParam, lParam) = DLL("USER32.dll", "int CallNextHookEx(void*, int, int, int)")
# 呼び出し: CallNextHookEx(hhk, nCode, wParam, lParam)
# hhk : HHOOK optional -> "void*"
# nCode : INT -> "int"
# 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)。