Win32 API 日本語リファレンス
ホームNetworkManagement.QoS › QOSCancel

QOSCancel

関数
進行中のQoSオーバーラップ操作をキャンセルする。
DLLqwave.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

BOOL QOSCancel(
    HANDLE QOSHandle,
    OVERLAPPED* Overlapped
);

パラメーター

名前方向説明
QOSHandleHANDLEinQOSCreateHandleで取得したQoSハンドル。
OverlappedOVERLAPPED*inキャンセルする保留中の非同期操作のOVERLAPPED構造体へのポインタ。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL QOSCancel(
    HANDLE QOSHandle,
    OVERLAPPED* Overlapped
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("qwave.dll", ExactSpelling = true)]
static extern bool QOSCancel(
    IntPtr QOSHandle,   // HANDLE
    IntPtr Overlapped   // OVERLAPPED*
);
<DllImport("qwave.dll", ExactSpelling:=True)>
Public Shared Function QOSCancel(
    QOSHandle As IntPtr,   ' HANDLE
    Overlapped As IntPtr   ' OVERLAPPED*
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' QOSHandle : HANDLE
' Overlapped : OVERLAPPED*
Declare PtrSafe Function QOSCancel Lib "qwave" ( _
    ByVal QOSHandle As LongPtr, _
    ByVal Overlapped 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

QOSCancel = ctypes.windll.qwave.QOSCancel
QOSCancel.restype = wintypes.BOOL
QOSCancel.argtypes = [
    wintypes.HANDLE,  # QOSHandle : HANDLE
    ctypes.c_void_p,  # Overlapped : OVERLAPPED*
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('qwave.dll')
QOSCancel = Fiddle::Function.new(
  lib['QOSCancel'],
  [
    Fiddle::TYPE_VOIDP,  # QOSHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # Overlapped : OVERLAPPED*
  ],
  Fiddle::TYPE_INT)
#[link(name = "qwave")]
extern "system" {
    fn QOSCancel(
        QOSHandle: *mut core::ffi::c_void,  // HANDLE
        Overlapped: *mut OVERLAPPED  // OVERLAPPED*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("qwave.dll")]
public static extern bool QOSCancel(IntPtr QOSHandle, IntPtr Overlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'qwave_QOSCancel' -Namespace Win32 -PassThru
# $api::QOSCancel(QOSHandle, Overlapped)
#uselib "qwave.dll"
#func global QOSCancel "QOSCancel" sptr, sptr
; QOSCancel QOSHandle, varptr(Overlapped)   ; 戻り値は stat
; QOSHandle : HANDLE -> "sptr"
; Overlapped : 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。
出力引数:
#uselib "qwave.dll"
#cfunc global QOSCancel "QOSCancel" sptr, var
; res = QOSCancel(QOSHandle, Overlapped)
; QOSHandle : HANDLE -> "sptr"
; Overlapped : 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。
出力引数:
; BOOL QOSCancel(HANDLE QOSHandle, OVERLAPPED* Overlapped)
#uselib "qwave.dll"
#cfunc global QOSCancel "QOSCancel" intptr, var
; res = QOSCancel(QOSHandle, Overlapped)
; QOSHandle : HANDLE -> "intptr"
; Overlapped : 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 (
	qwave = windows.NewLazySystemDLL("qwave.dll")
	procQOSCancel = qwave.NewProc("QOSCancel")
)

// QOSHandle (HANDLE), Overlapped (OVERLAPPED*)
r1, _, err := procQOSCancel.Call(
	uintptr(QOSHandle),
	uintptr(Overlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function QOSCancel(
  QOSHandle: THandle;   // HANDLE
  Overlapped: Pointer   // OVERLAPPED*
): BOOL; stdcall;
  external 'qwave.dll' name 'QOSCancel';
result := DllCall("qwave\QOSCancel"
    , "Ptr", QOSHandle   ; HANDLE
    , "Ptr", Overlapped   ; OVERLAPPED*
    , "Int")   ; return: BOOL
●QOSCancel(QOSHandle, Overlapped) = DLL("qwave.dll", "bool QOSCancel(void*, void*)")
# 呼び出し: QOSCancel(QOSHandle, Overlapped)
# QOSHandle : HANDLE -> "void*"
# Overlapped : 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)。
const std = @import("std");

extern "qwave" fn QOSCancel(
    QOSHandle: ?*anyopaque, // HANDLE
    Overlapped: [*c]OVERLAPPED // OVERLAPPED*
) callconv(std.os.windows.WINAPI) i32;
proc QOSCancel(
    QOSHandle: pointer,  # HANDLE
    Overlapped: ptr OVERLAPPED  # OVERLAPPED*
): int32 {.importc: "QOSCancel", stdcall, dynlib: "qwave.dll".}
pragma(lib, "qwave");
extern(Windows)
int QOSCancel(
    void* QOSHandle,   // HANDLE
    OVERLAPPED* Overlapped   // OVERLAPPED*
);
ccall((:QOSCancel, "qwave.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{OVERLAPPED}),
      QOSHandle, Overlapped)
# QOSHandle : HANDLE -> Ptr{Cvoid}
# Overlapped : OVERLAPPED* -> Ptr{OVERLAPPED}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t QOSCancel(
    void* QOSHandle,
    void* Overlapped);
]]
local qwave = ffi.load("qwave")
-- qwave.QOSCancel(QOSHandle, Overlapped)
-- QOSHandle : HANDLE
-- Overlapped : OVERLAPPED*
-- 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('qwave.dll');
const QOSCancel = lib.func('__stdcall', 'QOSCancel', 'int32_t', ['void *', 'void *']);
// QOSCancel(QOSHandle, Overlapped)
// QOSHandle : HANDLE -> 'void *'
// Overlapped : OVERLAPPED* -> '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("qwave.dll", {
  QOSCancel: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.QOSCancel(QOSHandle, Overlapped)
// QOSHandle : HANDLE -> "pointer"
// Overlapped : OVERLAPPED* -> "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 QOSCancel(
    void* QOSHandle,
    void* Overlapped);
C, "qwave.dll");
// $ffi->QOSCancel(QOSHandle, Overlapped);
// QOSHandle : HANDLE
// Overlapped : OVERLAPPED*
// 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 Qwave extends StdCallLibrary {
    Qwave INSTANCE = Native.load("qwave", Qwave.class);
    boolean QOSCancel(
        Pointer QOSHandle,   // HANDLE
        Pointer Overlapped   // OVERLAPPED*
    );
}
@[Link("qwave")]
lib Libqwave
  fun QOSCancel = QOSCancel(
    QOSHandle : Void*,   # HANDLE
    Overlapped : OVERLAPPED*   # OVERLAPPED*
  ) : 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 QOSCancelNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef QOSCancelDart = int Function(Pointer<Void>, Pointer<Void>);
final QOSCancel = DynamicLibrary.open('qwave.dll')
    .lookupFunction<QOSCancelNative, QOSCancelDart>('QOSCancel');
// QOSHandle : HANDLE -> Pointer<Void>
// Overlapped : OVERLAPPED* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function QOSCancel(
  QOSHandle: THandle;   // HANDLE
  Overlapped: Pointer   // OVERLAPPED*
): BOOL; stdcall;
  external 'qwave.dll' name 'QOSCancel';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "QOSCancel"
  c_QOSCancel :: Ptr () -> Ptr () -> IO CInt
-- QOSHandle : HANDLE -> Ptr ()
-- Overlapped : OVERLAPPED* -> 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 qoscancel =
  foreign "QOSCancel"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* QOSHandle : HANDLE -> (ptr void) *)
(* Overlapped : OVERLAPPED* -> (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 qwave (t "qwave.dll"))
(cffi:use-foreign-library qwave)

(cffi:defcfun ("QOSCancel" qoscancel :convention :stdcall) :int32
  (qoshandle :pointer)   ; HANDLE
  (overlapped :pointer))   ; OVERLAPPED*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $QOSCancel = Win32::API::More->new('qwave',
    'BOOL QOSCancel(HANDLE QOSHandle, LPVOID Overlapped)');
# my $ret = $QOSCancel->Call($QOSHandle, $Overlapped);
# QOSHandle : HANDLE -> HANDLE
# Overlapped : OVERLAPPED* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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