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PeerDistRegisterForStatusChangeNotification

関数
ピア配信の状態変化通知を登録する。
DLLPeerDist.dll呼出規約winapi対応OSWindows 7 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

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

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

パラメーター

名前型方向説明
hPeerDistINT_PTRin対象のPeerDistセッションのハンドル。
hCompletionPortHANDLEinoptional状態変化通知を受け取る完了ポートのハンドル。
ulCompletionKeyUINT_PTRinoptional完了パケットに関連付ける完了キー。
lpOverlappedOVERLAPPED*in非同期通知に使用するOVERLAPPED構造体へのポインタ。
pPeerDistStatusPEERDIST_STATUS*out変化後の状態を受け取るPEERDIST_STATUS構造体へのポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD PeerDistRegisterForStatusChangeNotification(
    INT_PTR hPeerDist,
    HANDLE hCompletionPort,   // optional
    UINT_PTR ulCompletionKey,   // optional
    OVERLAPPED* lpOverlapped,
    PEERDIST_STATUS* pPeerDistStatus
);
[DllImport("PeerDist.dll", ExactSpelling = true)]
static extern uint PeerDistRegisterForStatusChangeNotification(
    IntPtr hPeerDist,   // INT_PTR
    IntPtr hCompletionPort,   // HANDLE optional
    UIntPtr ulCompletionKey,   // UINT_PTR optional
    IntPtr lpOverlapped,   // OVERLAPPED*
    out int pPeerDistStatus   // PEERDIST_STATUS* out
);
<DllImport("PeerDist.dll", ExactSpelling:=True)>
Public Shared Function PeerDistRegisterForStatusChangeNotification(
    hPeerDist As IntPtr,   ' INT_PTR
    hCompletionPort As IntPtr,   ' HANDLE optional
    ulCompletionKey As UIntPtr,   ' UINT_PTR optional
    lpOverlapped As IntPtr,   ' OVERLAPPED*
    <Out> ByRef pPeerDistStatus As Integer   ' PEERDIST_STATUS* out
) As UInteger
End Function
' hPeerDist : INT_PTR
' hCompletionPort : HANDLE optional
' ulCompletionKey : UINT_PTR optional
' lpOverlapped : OVERLAPPED*
' pPeerDistStatus : PEERDIST_STATUS* out
Declare PtrSafe Function PeerDistRegisterForStatusChangeNotification Lib "peerdist" ( _
    ByVal hPeerDist As LongPtr, _
    ByVal hCompletionPort As LongPtr, _
    ByVal ulCompletionKey As LongPtr, _
    ByVal lpOverlapped As LongPtr, _
    ByRef pPeerDistStatus 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

PeerDistRegisterForStatusChangeNotification = ctypes.windll.peerdist.PeerDistRegisterForStatusChangeNotification
PeerDistRegisterForStatusChangeNotification.restype = wintypes.DWORD
PeerDistRegisterForStatusChangeNotification.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* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PeerDist.dll')
PeerDistRegisterForStatusChangeNotification = Fiddle::Function.new(
  lib['PeerDistRegisterForStatusChangeNotification'],
  [
    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* out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "peerdist")]
extern "system" {
    fn PeerDistRegisterForStatusChangeNotification(
        hPeerDist: isize,  // INT_PTR
        hCompletionPort: *mut core::ffi::c_void,  // HANDLE optional
        ulCompletionKey: usize,  // UINT_PTR optional
        lpOverlapped: *mut OVERLAPPED,  // OVERLAPPED*
        pPeerDistStatus: *mut i32  // PEERDIST_STATUS* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("PeerDist.dll")]
public static extern uint PeerDistRegisterForStatusChangeNotification(IntPtr hPeerDist, IntPtr hCompletionPort, UIntPtr ulCompletionKey, IntPtr lpOverlapped, out int pPeerDistStatus);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PeerDist_PeerDistRegisterForStatusChangeNotification' -Namespace Win32 -PassThru
# $api::PeerDistRegisterForStatusChangeNotification(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus)
#uselib "PeerDist.dll"
#func global PeerDistRegisterForStatusChangeNotification "PeerDistRegisterForStatusChangeNotification" sptr, sptr, sptr, sptr, sptr
; PeerDistRegisterForStatusChangeNotification hPeerDist, hCompletionPort, ulCompletionKey, varptr(lpOverlapped), 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* 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。
出力引数: 
#uselib "PeerDist.dll"
#cfunc global PeerDistRegisterForStatusChangeNotification "PeerDistRegisterForStatusChangeNotification" sptr, sptr, sptr, var, int
; res = PeerDistRegisterForStatusChangeNotification(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus)
; hPeerDist : INT_PTR -> "sptr"
; hCompletionPort : HANDLE optional -> "sptr"
; ulCompletionKey : UINT_PTR optional -> "sptr"
; lpOverlapped : OVERLAPPED* -> "var"
; pPeerDistStatus : PEERDIST_STATUS* out -> "int"
; ※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。
出力引数: 
; DWORD PeerDistRegisterForStatusChangeNotification(INT_PTR hPeerDist, HANDLE hCompletionPort, UINT_PTR ulCompletionKey, OVERLAPPED* lpOverlapped, PEERDIST_STATUS* pPeerDistStatus)
#uselib "PeerDist.dll"
#cfunc global PeerDistRegisterForStatusChangeNotification "PeerDistRegisterForStatusChangeNotification" intptr, intptr, intptr, var, int
; res = PeerDistRegisterForStatusChangeNotification(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus)
; hPeerDist : INT_PTR -> "intptr"
; hCompletionPort : HANDLE optional -> "intptr"
; ulCompletionKey : UINT_PTR optional -> "intptr"
; lpOverlapped : OVERLAPPED* -> "var"
; pPeerDistStatus : PEERDIST_STATUS* out -> "int"
; ※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")
	procPeerDistRegisterForStatusChangeNotification = peerdist.NewProc("PeerDistRegisterForStatusChangeNotification")
)

// hPeerDist (INT_PTR), hCompletionPort (HANDLE optional), ulCompletionKey (UINT_PTR optional), lpOverlapped (OVERLAPPED*), pPeerDistStatus (PEERDIST_STATUS* out)
r1, _, err := procPeerDistRegisterForStatusChangeNotification.Call(
	uintptr(hPeerDist),
	uintptr(hCompletionPort),
	uintptr(ulCompletionKey),
	uintptr(lpOverlapped),
	uintptr(pPeerDistStatus),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function PeerDistRegisterForStatusChangeNotification(
  hPeerDist: NativeInt;   // INT_PTR
  hCompletionPort: THandle;   // HANDLE optional
  ulCompletionKey: NativeUInt;   // UINT_PTR optional
  lpOverlapped: Pointer;   // OVERLAPPED*
  pPeerDistStatus: Pointer   // PEERDIST_STATUS* out
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistRegisterForStatusChangeNotification';
result := DllCall("PeerDist\PeerDistRegisterForStatusChangeNotification"
    , "Ptr", hPeerDist   ; INT_PTR
    , "Ptr", hCompletionPort   ; HANDLE optional
    , "UPtr", ulCompletionKey   ; UINT_PTR optional
    , "Ptr", lpOverlapped   ; OVERLAPPED*
    , "Ptr", pPeerDistStatus   ; PEERDIST_STATUS* out
    , "UInt")   ; return: DWORD
●PeerDistRegisterForStatusChangeNotification(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus) = DLL("PeerDist.dll", "dword PeerDistRegisterForStatusChangeNotification(int, void*, int, void*, void*)")
# 呼び出し: PeerDistRegisterForStatusChangeNotification(hPeerDist, hCompletionPort, ulCompletionKey, lpOverlapped, pPeerDistStatus)
# hPeerDist : INT_PTR -> "int"
# hCompletionPort : HANDLE optional -> "void*"
# ulCompletionKey : UINT_PTR optional -> "int"
# lpOverlapped : OVERLAPPED* -> "void*"
# pPeerDistStatus : PEERDIST_STATUS* 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)。