PeerGraphRegisterEvent

// P2PGRAPH.dll
#include <windows.h>

HRESULT PeerGraphRegisterEvent(
    void* hGraph,
    HANDLE hEvent,
    DWORD cEventRegistrations,
    PEER_GRAPH_EVENT_REGISTRATION* pEventRegistrations,
    void** phPeerEvent
);

<DllImport("P2PGRAPH.dll", ExactSpelling:=True)>
Public Shared Function PeerGraphRegisterEvent(
    hGraph As IntPtr,   ' void*
    hEvent As IntPtr,   ' HANDLE
    cEventRegistrations As UInteger,   ' DWORD
    pEventRegistrations As IntPtr,   ' PEER_GRAPH_EVENT_REGISTRATION*
    phPeerEvent As IntPtr   ' void** out
) As Integer
End Function

' hGraph : void*
' hEvent : HANDLE
' cEventRegistrations : DWORD
' pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION*
' phPeerEvent : void** out
Declare PtrSafe Function PeerGraphRegisterEvent Lib "p2pgraph" ( _
    ByVal hGraph As LongPtr, _
    ByVal hEvent As LongPtr, _
    ByVal cEventRegistrations As Long, _
    ByVal pEventRegistrations As LongPtr, _
    ByVal phPeerEvent 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

PeerGraphRegisterEvent = ctypes.windll.p2pgraph.PeerGraphRegisterEvent
PeerGraphRegisterEvent.restype = ctypes.c_int
PeerGraphRegisterEvent.argtypes = [
    ctypes.POINTER(None),  # hGraph : void*
    wintypes.HANDLE,  # hEvent : HANDLE
    wintypes.DWORD,  # cEventRegistrations : DWORD
    ctypes.c_void_p,  # pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION*
    ctypes.c_void_p,  # phPeerEvent : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2PGRAPH.dll')
PeerGraphRegisterEvent = Fiddle::Function.new(
  lib['PeerGraphRegisterEvent'],
  [
    Fiddle::TYPE_VOIDP,  # hGraph : void*
    Fiddle::TYPE_VOIDP,  # hEvent : HANDLE
    -Fiddle::TYPE_INT,  # cEventRegistrations : DWORD
    Fiddle::TYPE_VOIDP,  # pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION*
    Fiddle::TYPE_VOIDP,  # phPeerEvent : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2pgraph")]
extern "system" {
    fn PeerGraphRegisterEvent(
        hGraph: *mut (),  // void*
        hEvent: *mut core::ffi::c_void,  // HANDLE
        cEventRegistrations: u32,  // DWORD
        pEventRegistrations: *mut PEER_GRAPH_EVENT_REGISTRATION,  // PEER_GRAPH_EVENT_REGISTRATION*
        phPeerEvent: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2PGRAPH.dll")]
public static extern int PeerGraphRegisterEvent(IntPtr hGraph, IntPtr hEvent, uint cEventRegistrations, IntPtr pEventRegistrations, IntPtr phPeerEvent);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2PGRAPH_PeerGraphRegisterEvent' -Namespace Win32 -PassThru
# $api::PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent)

#uselib "P2PGRAPH.dll"
#func global PeerGraphRegisterEvent "PeerGraphRegisterEvent" sptr, sptr, sptr, sptr, sptr
; PeerGraphRegisterEvent hGraph, hEvent, cEventRegistrations, varptr(pEventRegistrations), phPeerEvent   ; 戻り値は stat
; hGraph : void* -> "sptr"
; hEvent : HANDLE -> "sptr"
; cEventRegistrations : DWORD -> "sptr"
; pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> "sptr"
; phPeerEvent : void** 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。

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

var (
	p2pgraph = windows.NewLazySystemDLL("P2PGRAPH.dll")
	procPeerGraphRegisterEvent = p2pgraph.NewProc("PeerGraphRegisterEvent")
)

// hGraph (void*), hEvent (HANDLE), cEventRegistrations (DWORD), pEventRegistrations (PEER_GRAPH_EVENT_REGISTRATION*), phPeerEvent (void** out)
r1, _, err := procPeerGraphRegisterEvent.Call(
	uintptr(hGraph),
	uintptr(hEvent),
	uintptr(cEventRegistrations),
	uintptr(pEventRegistrations),
	uintptr(phPeerEvent),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGraphRegisterEvent(
  hGraph: Pointer;   // void*
  hEvent: THandle;   // HANDLE
  cEventRegistrations: DWORD;   // DWORD
  pEventRegistrations: Pointer;   // PEER_GRAPH_EVENT_REGISTRATION*
  phPeerEvent: Pointer   // void** out
): Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphRegisterEvent';

result := DllCall("P2PGRAPH\PeerGraphRegisterEvent"
    , "Ptr", hGraph   ; void*
    , "Ptr", hEvent   ; HANDLE
    , "UInt", cEventRegistrations   ; DWORD
    , "Ptr", pEventRegistrations   ; PEER_GRAPH_EVENT_REGISTRATION*
    , "Ptr", phPeerEvent   ; void** out
    , "Int")   ; return: HRESULT

●PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent) = DLL("P2PGRAPH.dll", "int PeerGraphRegisterEvent(void*, void*, dword, void*, void*)")
# 呼び出し: PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent)
# hGraph : void* -> "void*"
# hEvent : HANDLE -> "void*"
# cEventRegistrations : DWORD -> "dword"
# pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> "void*"
# phPeerEvent : void** 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)。

const std = @import("std");

extern "p2pgraph" fn PeerGraphRegisterEvent(
    hGraph: ?*anyopaque, // void*
    hEvent: ?*anyopaque, // HANDLE
    cEventRegistrations: u32, // DWORD
    pEventRegistrations: [*c]PEER_GRAPH_EVENT_REGISTRATION, // PEER_GRAPH_EVENT_REGISTRATION*
    phPeerEvent: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc PeerGraphRegisterEvent(
    hGraph: pointer,  # void*
    hEvent: pointer,  # HANDLE
    cEventRegistrations: uint32,  # DWORD
    pEventRegistrations: ptr PEER_GRAPH_EVENT_REGISTRATION,  # PEER_GRAPH_EVENT_REGISTRATION*
    phPeerEvent: pointer  # void** out
): int32 {.importc: "PeerGraphRegisterEvent", stdcall, dynlib: "P2PGRAPH.dll".}

pragma(lib, "p2pgraph");
extern(Windows)
int PeerGraphRegisterEvent(
    void* hGraph,   // void*
    void* hEvent,   // HANDLE
    uint cEventRegistrations,   // DWORD
    PEER_GRAPH_EVENT_REGISTRATION* pEventRegistrations,   // PEER_GRAPH_EVENT_REGISTRATION*
    void** phPeerEvent   // void** out
);

ccall((:PeerGraphRegisterEvent, "P2PGRAPH.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, UInt32, Ptr{PEER_GRAPH_EVENT_REGISTRATION}, Ptr{Cvoid}),
      hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent)
# hGraph : void* -> Ptr{Cvoid}
# hEvent : HANDLE -> Ptr{Cvoid}
# cEventRegistrations : DWORD -> UInt32
# pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> Ptr{PEER_GRAPH_EVENT_REGISTRATION}
# phPeerEvent : void** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PeerGraphRegisterEvent(
    void* hGraph,
    void* hEvent,
    uint32_t cEventRegistrations,
    void* pEventRegistrations,
    void** phPeerEvent);
]]
local p2pgraph = ffi.load("p2pgraph")
-- p2pgraph.PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent)
-- hGraph : void*
-- hEvent : HANDLE
-- cEventRegistrations : DWORD
-- pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION*
-- phPeerEvent : void** out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('P2PGRAPH.dll');
const PeerGraphRegisterEvent = lib.func('__stdcall', 'PeerGraphRegisterEvent', 'int32_t', ['void *', 'void *', 'uint32_t', 'void *', 'void *']);
// PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent)
// hGraph : void* -> 'void *'
// hEvent : HANDLE -> 'void *'
// cEventRegistrations : DWORD -> 'uint32_t'
// pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> 'void *'
// phPeerEvent : void** out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("P2PGRAPH.dll", {
  PeerGraphRegisterEvent: { parameters: ["pointer", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent)
// hGraph : void* -> "pointer"
// hEvent : HANDLE -> "pointer"
// cEventRegistrations : DWORD -> "u32"
// pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> "pointer"
// phPeerEvent : void** out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t PeerGraphRegisterEvent(
    void* hGraph,
    void* hEvent,
    uint32_t cEventRegistrations,
    void* pEventRegistrations,
    void** phPeerEvent);
C, "P2PGRAPH.dll");
// $ffi->PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent);
// hGraph : void*
// hEvent : HANDLE
// cEventRegistrations : DWORD
// pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION*
// phPeerEvent : void** out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface P2pgraph extends StdCallLibrary {
    P2pgraph INSTANCE = Native.load("p2pgraph", P2pgraph.class);
    int PeerGraphRegisterEvent(
        Pointer hGraph,   // void*
        Pointer hEvent,   // HANDLE
        int cEventRegistrations,   // DWORD
        Pointer pEventRegistrations,   // PEER_GRAPH_EVENT_REGISTRATION*
        Pointer phPeerEvent   // void** out
    );
}

@[Link("p2pgraph")]
lib LibP2PGRAPH
  fun PeerGraphRegisterEvent = PeerGraphRegisterEvent(
    hGraph : Void*,   # void*
    hEvent : Void*,   # HANDLE
    cEventRegistrations : UInt32,   # DWORD
    pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION*,   # PEER_GRAPH_EVENT_REGISTRATION*
    phPeerEvent : Void**   # void** out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef PeerGraphRegisterEventNative = Int32 Function(Pointer<Void>, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>);
typedef PeerGraphRegisterEventDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final PeerGraphRegisterEvent = DynamicLibrary.open('P2PGRAPH.dll')
    .lookupFunction<PeerGraphRegisterEventNative, PeerGraphRegisterEventDart>('PeerGraphRegisterEvent');
// hGraph : void* -> Pointer<Void>
// hEvent : HANDLE -> Pointer<Void>
// cEventRegistrations : DWORD -> Uint32
// pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> Pointer<Void>
// phPeerEvent : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerGraphRegisterEvent(
  hGraph: Pointer;   // void*
  hEvent: THandle;   // HANDLE
  cEventRegistrations: DWORD;   // DWORD
  pEventRegistrations: Pointer;   // PEER_GRAPH_EVENT_REGISTRATION*
  phPeerEvent: Pointer   // void** out
): Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphRegisterEvent';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PeerGraphRegisterEvent"
  c_PeerGraphRegisterEvent :: Ptr () -> Ptr () -> Word32 -> Ptr () -> Ptr () -> IO Int32
-- hGraph : void* -> Ptr ()
-- hEvent : HANDLE -> Ptr ()
-- cEventRegistrations : DWORD -> Word32
-- pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> Ptr ()
-- phPeerEvent : void** out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let peergraphregisterevent =
  foreign "PeerGraphRegisterEvent"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* hGraph : void* -> (ptr void) *)
(* hEvent : HANDLE -> (ptr void) *)
(* cEventRegistrations : DWORD -> uint32_t *)
(* pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> (ptr void) *)
(* phPeerEvent : void** out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library p2pgraph (t "P2PGRAPH.dll"))
(cffi:use-foreign-library p2pgraph)

(cffi:defcfun ("PeerGraphRegisterEvent" peer-graph-register-event :convention :stdcall) :int32
  (h-graph :pointer)   ; void*
  (h-event :pointer)   ; HANDLE
  (c-event-registrations :uint32)   ; DWORD
  (p-event-registrations :pointer)   ; PEER_GRAPH_EVENT_REGISTRATION*
  (ph-peer-event :pointer))   ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PeerGraphRegisterEvent = Win32::API::More->new('P2PGRAPH',
    'int PeerGraphRegisterEvent(LPVOID hGraph, HANDLE hEvent, DWORD cEventRegistrations, LPVOID pEventRegistrations, LPVOID phPeerEvent)');
# my $ret = $PeerGraphRegisterEvent->Call($hGraph, $hEvent, $cEventRegistrations, $pEventRegistrations, $phPeerEvent);
# hGraph : void* -> LPVOID
# hEvent : HANDLE -> HANDLE
# cEventRegistrations : DWORD -> DWORD
# pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> LPVOID
# phPeerEvent : void** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。