SnmpMgrTrapListen

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

BOOL SnmpMgrTrapListen(
    HANDLE* phTrapAvailable
);

<DllImport("mgmtapi.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SnmpMgrTrapListen(
    phTrapAvailable As IntPtr   ' HANDLE* in/out
) As Boolean
End Function

' phTrapAvailable : HANDLE* in/out
Declare PtrSafe Function SnmpMgrTrapListen Lib "mgmtapi" ( _
    ByVal phTrapAvailable As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SnmpMgrTrapListen = ctypes.windll.mgmtapi.SnmpMgrTrapListen
SnmpMgrTrapListen.restype = wintypes.BOOL
SnmpMgrTrapListen.argtypes = [
    ctypes.c_void_p,  # phTrapAvailable : HANDLE* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mgmtapi.dll')
SnmpMgrTrapListen = Fiddle::Function.new(
  lib['SnmpMgrTrapListen'],
  [
    Fiddle::TYPE_VOIDP,  # phTrapAvailable : HANDLE* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mgmtapi")]
extern "system" {
    fn SnmpMgrTrapListen(
        phTrapAvailable: *mut *mut core::ffi::c_void  // HANDLE* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "mgmtapi.dll"
#func global SnmpMgrTrapListen "SnmpMgrTrapListen" sptr
; SnmpMgrTrapListen phTrapAvailable   ; 戻り値は stat
; phTrapAvailable : HANDLE* in/out -> "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 "mgmtapi.dll"
#cfunc global SnmpMgrTrapListen "SnmpMgrTrapListen" sptr
; res = SnmpMgrTrapListen(phTrapAvailable)
; phTrapAvailable : HANDLE* in/out -> "sptr"

; BOOL SnmpMgrTrapListen(HANDLE* phTrapAvailable)
#uselib "mgmtapi.dll"
#cfunc global SnmpMgrTrapListen "SnmpMgrTrapListen" intptr
; res = SnmpMgrTrapListen(phTrapAvailable)
; phTrapAvailable : HANDLE* in/out -> "intptr"

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

var (
	mgmtapi = windows.NewLazySystemDLL("mgmtapi.dll")
	procSnmpMgrTrapListen = mgmtapi.NewProc("SnmpMgrTrapListen")
)

// phTrapAvailable (HANDLE* in/out)
r1, _, err := procSnmpMgrTrapListen.Call(
	uintptr(phTrapAvailable),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SnmpMgrTrapListen(
  phTrapAvailable: Pointer   // HANDLE* in/out
): BOOL; stdcall;
  external 'mgmtapi.dll' name 'SnmpMgrTrapListen';

result := DllCall("mgmtapi\SnmpMgrTrapListen"
    , "Ptr", phTrapAvailable   ; HANDLE* in/out
    , "Int")   ; return: BOOL

●SnmpMgrTrapListen(phTrapAvailable) = DLL("mgmtapi.dll", "bool SnmpMgrTrapListen(void*)")
# 呼び出し: SnmpMgrTrapListen(phTrapAvailable)
# phTrapAvailable : HANDLE* in/out -> "void*"
# 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)。