SetConsoleCtrlHandler

// KERNEL32.dll
#include <windows.h>

BOOL SetConsoleCtrlHandler(
    PHANDLER_ROUTINE HandlerRoutine,   // optional
    BOOL Add
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetConsoleCtrlHandler(
    HandlerRoutine As IntPtr,   ' PHANDLER_ROUTINE optional
    Add As Boolean   ' BOOL
) As Boolean
End Function

' HandlerRoutine : PHANDLER_ROUTINE optional
' Add : BOOL
Declare PtrSafe Function SetConsoleCtrlHandler Lib "kernel32" ( _
    ByVal HandlerRoutine As LongPtr, _
    ByVal Add 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

SetConsoleCtrlHandler = ctypes.windll.kernel32.SetConsoleCtrlHandler
SetConsoleCtrlHandler.restype = wintypes.BOOL
SetConsoleCtrlHandler.argtypes = [
    ctypes.c_void_p,  # HandlerRoutine : PHANDLER_ROUTINE optional
    wintypes.BOOL,  # Add : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetConsoleCtrlHandler = Fiddle::Function.new(
  lib['SetConsoleCtrlHandler'],
  [
    Fiddle::TYPE_VOIDP,  # HandlerRoutine : PHANDLER_ROUTINE optional
    Fiddle::TYPE_INT,  # Add : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetConsoleCtrlHandler(
        HandlerRoutine: *const core::ffi::c_void,  // PHANDLER_ROUTINE optional
        Add: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool SetConsoleCtrlHandler(IntPtr HandlerRoutine, bool Add);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetConsoleCtrlHandler' -Namespace Win32 -PassThru
# $api::SetConsoleCtrlHandler(HandlerRoutine, Add)

#uselib "KERNEL32.dll"
#func global SetConsoleCtrlHandler "SetConsoleCtrlHandler" sptr, sptr
; SetConsoleCtrlHandler HandlerRoutine, Add   ; 戻り値は stat
; HandlerRoutine : PHANDLER_ROUTINE optional -> "sptr"
; Add : BOOL -> "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 "KERNEL32.dll"
#cfunc global SetConsoleCtrlHandler "SetConsoleCtrlHandler" sptr, int
; res = SetConsoleCtrlHandler(HandlerRoutine, Add)
; HandlerRoutine : PHANDLER_ROUTINE optional -> "sptr"
; Add : BOOL -> "int"

; BOOL SetConsoleCtrlHandler(PHANDLER_ROUTINE HandlerRoutine, BOOL Add)
#uselib "KERNEL32.dll"
#cfunc global SetConsoleCtrlHandler "SetConsoleCtrlHandler" intptr, int
; res = SetConsoleCtrlHandler(HandlerRoutine, Add)
; HandlerRoutine : PHANDLER_ROUTINE optional -> "intptr"
; Add : BOOL -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetConsoleCtrlHandler = kernel32.NewProc("SetConsoleCtrlHandler")
)

// HandlerRoutine (PHANDLER_ROUTINE optional), Add (BOOL)
r1, _, err := procSetConsoleCtrlHandler.Call(
	uintptr(HandlerRoutine),
	uintptr(Add),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetConsoleCtrlHandler(
  HandlerRoutine: Pointer;   // PHANDLER_ROUTINE optional
  Add: BOOL   // BOOL
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetConsoleCtrlHandler';

result := DllCall("KERNEL32\SetConsoleCtrlHandler"
    , "Ptr", HandlerRoutine   ; PHANDLER_ROUTINE optional
    , "Int", Add   ; BOOL
    , "Int")   ; return: BOOL

●SetConsoleCtrlHandler(HandlerRoutine, Add) = DLL("KERNEL32.dll", "bool SetConsoleCtrlHandler(void*, bool)")
# 呼び出し: SetConsoleCtrlHandler(HandlerRoutine, Add)
# HandlerRoutine : PHANDLER_ROUTINE optional -> "void*"
# Add : BOOL -> "bool"
# 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)。