PeerDistRegisterForStatusChangeNotificationEx

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

DWORD PeerDistRegisterForStatusChangeNotificationEx(
    INT_PTR hPeerDist,
    HANDLE hCompletionPort,   // optional
    UINT_PTR ulCompletionKey,   // optional
    OVERLAPPED* lpOverlapped,
    PEERDIST_STATUS_INFO* pPeerDistStatus
);

<DllImport("PeerDist.dll", ExactSpelling:=True)>
Public Shared Function PeerDistRegisterForStatusChangeNotificationEx(
    hPeerDist As IntPtr,   ' INT_PTR
    hCompletionPort As IntPtr,   ' HANDLE optional
    ulCompletionKey As UIntPtr,   ' UINT_PTR optional
    lpOverlapped As IntPtr,   ' OVERLAPPED*
    pPeerDistStatus As IntPtr   ' PEERDIST_STATUS_INFO* in/out
) As UInteger
End Function

' hPeerDist : INT_PTR
' hCompletionPort : HANDLE optional
' ulCompletionKey : UINT_PTR optional
' lpOverlapped : OVERLAPPED*
' pPeerDistStatus : PEERDIST_STATUS_INFO* in/out
Declare PtrSafe Function PeerDistRegisterForStatusChangeNotificationEx Lib "peerdist" ( _
    ByVal hPeerDist As LongPtr, _
    ByVal hCompletionPort As LongPtr, _
    ByVal ulCompletionKey As LongPtr, _
    ByVal lpOverlapped As LongPtr, _
    ByVal pPeerDistStatus 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

PeerDistRegisterForStatusChangeNotificationEx = ctypes.windll.peerdist.PeerDistRegisterForStatusChangeNotificationEx
PeerDistRegisterForStatusChangeNotificationEx.restype = wintypes.DWORD
PeerDistRegisterForStatusChangeNotificationEx.argtypes = [
    ctypes.c_ssize_t,  # hPeerDist : INT_PTR
    wintypes.HANDLE,  # hCompletionPort : HANDLE optional
    ctypes.c_size_t,  # ulCompletionKey : UINT_PTR optional
    ctypes.c_void_p,  # lpOverlapped : OVERLAPPED*
    ctypes.c_void_p,  # pPeerDistStatus : PEERDIST_STATUS_INFO* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PeerDist.dll')
PeerDistRegisterForStatusChangeNotificationEx = Fiddle::Function.new(
  lib['PeerDistRegisterForStatusChangeNotificationEx'],
  [
    Fiddle::TYPE_INTPTR_T,  # hPeerDist : INT_PTR
    Fiddle::TYPE_VOIDP,  # hCompletionPort : HANDLE optional
    Fiddle::TYPE_UINTPTR_T,  # ulCompletionKey : UINT_PTR optional
    Fiddle::TYPE_VOIDP,  # lpOverlapped : OVERLAPPED*
    Fiddle::TYPE_VOIDP,  # pPeerDistStatus : PEERDIST_STATUS_INFO* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "peerdist")]
extern "system" {
    fn PeerDistRegisterForStatusChangeNotificationEx(
        hPeerDist: isize,  // INT_PTR
        hCompletionPort: *mut core::ffi::c_void,  // HANDLE optional
        ulCompletionKey: usize,  // UINT_PTR optional
        lpOverlapped: *mut OVERLAPPED,  // OVERLAPPED*
        pPeerDistStatus: *mut PEERDIST_STATUS_INFO  // PEERDIST_STATUS_INFO* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PeerDist.dll")]
public static extern uint PeerDistRegisterForStatusChangeNotificationEx(IntPtr hPeerDist, IntPtr hCompletionPort, UIntPtr ulCompletionKey, IntPtr lpOverlapped, IntPtr pPeerDistStatus);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PeerDist_PeerDistRegisterForStatusChangeNotificationEx' -Namespace Win32 -PassThru
# $api::PeerDistRegisterForStatusChangeNotificationEx(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus)

#uselib "PeerDist.dll"
#func global PeerDistRegisterForStatusChangeNotificationEx "PeerDistRegisterForStatusChangeNotificationEx" sptr, sptr, sptr, sptr, sptr
; PeerDistRegisterForStatusChangeNotificationEx hPeerDist, hCompletionPort, ulCompletionKey, varptr(lpOverlapped), varptr(pPeerDistStatus)   ; 戻り値は stat
; hPeerDist : INT_PTR -> "sptr"
; hCompletionPort : HANDLE optional -> "sptr"
; ulCompletionKey : UINT_PTR optional -> "sptr"
; lpOverlapped : OVERLAPPED* -> "sptr"
; pPeerDistStatus : PEERDIST_STATUS_INFO* 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 "PeerDist.dll"
#cfunc global PeerDistRegisterForStatusChangeNotificationEx "PeerDistRegisterForStatusChangeNotificationEx" sptr, sptr, sptr, var, var
; res = PeerDistRegisterForStatusChangeNotificationEx(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus)
; hPeerDist : INT_PTR -> "sptr"
; hCompletionPort : HANDLE optional -> "sptr"
; ulCompletionKey : UINT_PTR optional -> "sptr"
; lpOverlapped : OVERLAPPED* -> "var"
; pPeerDistStatus : PEERDIST_STATUS_INFO* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD PeerDistRegisterForStatusChangeNotificationEx(INT_PTR hPeerDist, HANDLE hCompletionPort, UINT_PTR ulCompletionKey, OVERLAPPED* lpOverlapped, PEERDIST_STATUS_INFO* pPeerDistStatus)
#uselib "PeerDist.dll"
#cfunc global PeerDistRegisterForStatusChangeNotificationEx "PeerDistRegisterForStatusChangeNotificationEx" intptr, intptr, intptr, var, var
; res = PeerDistRegisterForStatusChangeNotificationEx(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus)
; hPeerDist : INT_PTR -> "intptr"
; hCompletionPort : HANDLE optional -> "intptr"
; ulCompletionKey : UINT_PTR optional -> "intptr"
; lpOverlapped : OVERLAPPED* -> "var"
; pPeerDistStatus : PEERDIST_STATUS_INFO* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	peerdist = windows.NewLazySystemDLL("PeerDist.dll")
	procPeerDistRegisterForStatusChangeNotificationEx = peerdist.NewProc("PeerDistRegisterForStatusChangeNotificationEx")
)

// hPeerDist (INT_PTR), hCompletionPort (HANDLE optional), ulCompletionKey (UINT_PTR optional), lpOverlapped (OVERLAPPED*), pPeerDistStatus (PEERDIST_STATUS_INFO* in/out)
r1, _, err := procPeerDistRegisterForStatusChangeNotificationEx.Call(
	uintptr(hPeerDist),
	uintptr(hCompletionPort),
	uintptr(ulCompletionKey),
	uintptr(lpOverlapped),
	uintptr(pPeerDistStatus),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PeerDistRegisterForStatusChangeNotificationEx(
  hPeerDist: NativeInt;   // INT_PTR
  hCompletionPort: THandle;   // HANDLE optional
  ulCompletionKey: NativeUInt;   // UINT_PTR optional
  lpOverlapped: Pointer;   // OVERLAPPED*
  pPeerDistStatus: Pointer   // PEERDIST_STATUS_INFO* in/out
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistRegisterForStatusChangeNotificationEx';

result := DllCall("PeerDist\PeerDistRegisterForStatusChangeNotificationEx"
    , "Ptr", hPeerDist   ; INT_PTR
    , "Ptr", hCompletionPort   ; HANDLE optional
    , "UPtr", ulCompletionKey   ; UINT_PTR optional
    , "Ptr", lpOverlapped   ; OVERLAPPED*
    , "Ptr", pPeerDistStatus   ; PEERDIST_STATUS_INFO* in/out
    , "UInt")   ; return: DWORD

●PeerDistRegisterForStatusChangeNotificationEx(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus) = DLL("PeerDist.dll", "dword PeerDistRegisterForStatusChangeNotificationEx(int, void*, int, void*, void*)")
# 呼び出し: PeerDistRegisterForStatusChangeNotificationEx(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus)
# hPeerDist : INT_PTR -> "int"
# hCompletionPort : HANDLE optional -> "void*"
# ulCompletionKey : UINT_PTR optional -> "int"
# lpOverlapped : OVERLAPPED* -> "void*"
# pPeerDistStatus : PEERDIST_STATUS_INFO* 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)。