PeerDistServerCancelAsyncOperation

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

DWORD PeerDistServerCancelAsyncOperation(
    INT_PTR hPeerDist,
    DWORD cbContentIdentifier,
    BYTE* pContentIdentifier,
    OVERLAPPED* pOverlapped
);

<DllImport("PeerDist.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function PeerDistServerCancelAsyncOperation(
    hPeerDist As IntPtr,   ' INT_PTR
    cbContentIdentifier As UInteger,   ' DWORD
    pContentIdentifier As IntPtr,   ' BYTE*
    pOverlapped As IntPtr   ' OVERLAPPED*
) As UInteger
End Function

' hPeerDist : INT_PTR
' cbContentIdentifier : DWORD
' pContentIdentifier : BYTE*
' pOverlapped : OVERLAPPED*
Declare PtrSafe Function PeerDistServerCancelAsyncOperation Lib "peerdist" ( _
    ByVal hPeerDist As LongPtr, _
    ByVal cbContentIdentifier As Long, _
    ByVal pContentIdentifier As LongPtr, _
    ByVal pOverlapped 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

PeerDistServerCancelAsyncOperation = ctypes.windll.peerdist.PeerDistServerCancelAsyncOperation
PeerDistServerCancelAsyncOperation.restype = wintypes.DWORD
PeerDistServerCancelAsyncOperation.argtypes = [
    ctypes.c_ssize_t,  # hPeerDist : INT_PTR
    wintypes.DWORD,  # cbContentIdentifier : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pContentIdentifier : BYTE*
    ctypes.c_void_p,  # pOverlapped : OVERLAPPED*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PeerDist.dll')
PeerDistServerCancelAsyncOperation = Fiddle::Function.new(
  lib['PeerDistServerCancelAsyncOperation'],
  [
    Fiddle::TYPE_INTPTR_T,  # hPeerDist : INT_PTR
    -Fiddle::TYPE_INT,  # cbContentIdentifier : DWORD
    Fiddle::TYPE_VOIDP,  # pContentIdentifier : BYTE*
    Fiddle::TYPE_VOIDP,  # pOverlapped : OVERLAPPED*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "peerdist")]
extern "system" {
    fn PeerDistServerCancelAsyncOperation(
        hPeerDist: isize,  // INT_PTR
        cbContentIdentifier: u32,  // DWORD
        pContentIdentifier: *mut u8,  // BYTE*
        pOverlapped: *mut OVERLAPPED  // OVERLAPPED*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PeerDist.dll", SetLastError = true)]
public static extern uint PeerDistServerCancelAsyncOperation(IntPtr hPeerDist, uint cbContentIdentifier, IntPtr pContentIdentifier, IntPtr pOverlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PeerDist_PeerDistServerCancelAsyncOperation' -Namespace Win32 -PassThru
# $api::PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)

#uselib "PeerDist.dll"
#func global PeerDistServerCancelAsyncOperation "PeerDistServerCancelAsyncOperation" sptr, sptr, sptr, sptr
; PeerDistServerCancelAsyncOperation hPeerDist, cbContentIdentifier, varptr(pContentIdentifier), varptr(pOverlapped)   ; 戻り値は stat
; hPeerDist : INT_PTR -> "sptr"
; cbContentIdentifier : DWORD -> "sptr"
; pContentIdentifier : BYTE* -> "sptr"
; pOverlapped : OVERLAPPED* -> "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 PeerDistServerCancelAsyncOperation "PeerDistServerCancelAsyncOperation" sptr, int, var, var
; res = PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
; hPeerDist : INT_PTR -> "sptr"
; cbContentIdentifier : DWORD -> "int"
; pContentIdentifier : BYTE* -> "var"
; pOverlapped : OVERLAPPED* -> "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 PeerDistServerCancelAsyncOperation(INT_PTR hPeerDist, DWORD cbContentIdentifier, BYTE* pContentIdentifier, OVERLAPPED* pOverlapped)
#uselib "PeerDist.dll"
#cfunc global PeerDistServerCancelAsyncOperation "PeerDistServerCancelAsyncOperation" intptr, int, var, var
; res = PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
; hPeerDist : INT_PTR -> "intptr"
; cbContentIdentifier : DWORD -> "int"
; pContentIdentifier : BYTE* -> "var"
; pOverlapped : OVERLAPPED* -> "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")
	procPeerDistServerCancelAsyncOperation = peerdist.NewProc("PeerDistServerCancelAsyncOperation")
)

// hPeerDist (INT_PTR), cbContentIdentifier (DWORD), pContentIdentifier (BYTE*), pOverlapped (OVERLAPPED*)
r1, _, err := procPeerDistServerCancelAsyncOperation.Call(
	uintptr(hPeerDist),
	uintptr(cbContentIdentifier),
	uintptr(pContentIdentifier),
	uintptr(pOverlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PeerDistServerCancelAsyncOperation(
  hPeerDist: NativeInt;   // INT_PTR
  cbContentIdentifier: DWORD;   // DWORD
  pContentIdentifier: Pointer;   // BYTE*
  pOverlapped: Pointer   // OVERLAPPED*
): DWORD; stdcall;
  external 'PeerDist.dll' name 'PeerDistServerCancelAsyncOperation';

result := DllCall("PeerDist\PeerDistServerCancelAsyncOperation"
    , "Ptr", hPeerDist   ; INT_PTR
    , "UInt", cbContentIdentifier   ; DWORD
    , "Ptr", pContentIdentifier   ; BYTE*
    , "Ptr", pOverlapped   ; OVERLAPPED*
    , "UInt")   ; return: DWORD

●PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped) = DLL("PeerDist.dll", "dword PeerDistServerCancelAsyncOperation(int, dword, void*, void*)")
# 呼び出し: PeerDistServerCancelAsyncOperation(hPeerDist, cbContentIdentifier, pContentIdentifier, pOverlapped)
# hPeerDist : INT_PTR -> "int"
# cbContentIdentifier : DWORD -> "dword"
# pContentIdentifier : BYTE* -> "void*"
# pOverlapped : OVERLAPPED* -> "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)。