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。

#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphRegisterEvent "PeerGraphRegisterEvent" sptr, sptr, int, var, sptr
; res = PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent)
; hGraph : void* -> "sptr"
; hEvent : HANDLE -> "sptr"
; cEventRegistrations : DWORD -> "int"
; pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> "var"
; phPeerEvent : void** out -> "sptr"
; ※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。

; HRESULT PeerGraphRegisterEvent(void* hGraph, HANDLE hEvent, DWORD cEventRegistrations, PEER_GRAPH_EVENT_REGISTRATION* pEventRegistrations, void** phPeerEvent)
#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphRegisterEvent "PeerGraphRegisterEvent" intptr, intptr, int, var, intptr
; res = PeerGraphRegisterEvent(hGraph, hEvent, cEventRegistrations, pEventRegistrations, phPeerEvent)
; hGraph : void* -> "intptr"
; hEvent : HANDLE -> "intptr"
; cEventRegistrations : DWORD -> "int"
; pEventRegistrations : PEER_GRAPH_EVENT_REGISTRATION* -> "var"
; phPeerEvent : void** out -> "intptr"
; ※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 (
	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)。