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CfReleaseTransferKey
関数取得済みのデータ転送キーを解放する。
シグネチャ
// cldapi.dll
#include <windows.h>
void CfReleaseTransferKey(
HANDLE FileHandle,
LONGLONG* TransferKey
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| FileHandle | HANDLE | in | 転送キーを取得した際のファイルハンドル。 |
| TransferKey | LONGLONG* | in | 解放する転送キーを指すLONGLONGへのポインタ。CfGetTransferKeyで得た値を渡す。 |
戻り値の型: void
各言語での呼び出し定義
// cldapi.dll
#include <windows.h>
void CfReleaseTransferKey(
HANDLE FileHandle,
LONGLONG* TransferKey
);[DllImport("cldapi.dll", ExactSpelling = true)]
static extern void CfReleaseTransferKey(
IntPtr FileHandle, // HANDLE
ref long TransferKey // LONGLONG*
);<DllImport("cldapi.dll", ExactSpelling:=True)>
Public Shared Sub CfReleaseTransferKey(
FileHandle As IntPtr, ' HANDLE
ByRef TransferKey As Long ' LONGLONG*
)
End Sub' FileHandle : HANDLE
' TransferKey : LONGLONG*
Declare PtrSafe Sub CfReleaseTransferKey Lib "cldapi" ( _
ByVal FileHandle As LongPtr, _
ByRef TransferKey As LongLong)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
CfReleaseTransferKey = ctypes.windll.cldapi.CfReleaseTransferKey
CfReleaseTransferKey.restype = None
CfReleaseTransferKey.argtypes = [
wintypes.HANDLE, # FileHandle : HANDLE
ctypes.POINTER(ctypes.c_longlong), # TransferKey : LONGLONG*
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('cldapi.dll')
CfReleaseTransferKey = Fiddle::Function.new(
lib['CfReleaseTransferKey'],
[
Fiddle::TYPE_VOIDP, # FileHandle : HANDLE
Fiddle::TYPE_VOIDP, # TransferKey : LONGLONG*
],
Fiddle::TYPE_VOID)#[link(name = "cldapi")]
extern "system" {
fn CfReleaseTransferKey(
FileHandle: *mut core::ffi::c_void, // HANDLE
TransferKey: *mut i64 // LONGLONG*
);
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("cldapi.dll")]
public static extern void CfReleaseTransferKey(IntPtr FileHandle, ref long TransferKey);
"@
$api = Add-Type -MemberDefinition $sig -Name 'cldapi_CfReleaseTransferKey' -Namespace Win32 -PassThru
# $api::CfReleaseTransferKey(FileHandle, TransferKey)#uselib "cldapi.dll"
#func global CfReleaseTransferKey "CfReleaseTransferKey" sptr, sptr
; CfReleaseTransferKey FileHandle, varptr(TransferKey)
; FileHandle : HANDLE -> "sptr"
; TransferKey : LONGLONG* -> "sptr"出力引数:
#uselib "cldapi.dll" #func global CfReleaseTransferKey "CfReleaseTransferKey" sptr, var ; CfReleaseTransferKey FileHandle, TransferKey ; FileHandle : HANDLE -> "sptr" ; TransferKey : LONGLONG* -> "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。#uselib "cldapi.dll" #func global CfReleaseTransferKey "CfReleaseTransferKey" sptr, sptr ; CfReleaseTransferKey FileHandle, varptr(TransferKey) ; FileHandle : HANDLE -> "sptr" ; TransferKey : LONGLONG* -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; void CfReleaseTransferKey(HANDLE FileHandle, LONGLONG* TransferKey) #uselib "cldapi.dll" #func global CfReleaseTransferKey "CfReleaseTransferKey" intptr, var ; CfReleaseTransferKey FileHandle, TransferKey ; FileHandle : HANDLE -> "intptr" ; TransferKey : LONGLONG* -> "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。; void CfReleaseTransferKey(HANDLE FileHandle, LONGLONG* TransferKey) #uselib "cldapi.dll" #func global CfReleaseTransferKey "CfReleaseTransferKey" intptr, intptr ; CfReleaseTransferKey FileHandle, varptr(TransferKey) ; FileHandle : HANDLE -> "intptr" ; TransferKey : LONGLONG* -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
cldapi = windows.NewLazySystemDLL("cldapi.dll")
procCfReleaseTransferKey = cldapi.NewProc("CfReleaseTransferKey")
)
// FileHandle (HANDLE), TransferKey (LONGLONG*)
r1, _, err := procCfReleaseTransferKey.Call(
uintptr(FileHandle),
uintptr(TransferKey),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // voidprocedure CfReleaseTransferKey(
FileHandle: THandle; // HANDLE
TransferKey: Pointer // LONGLONG*
); stdcall;
external 'cldapi.dll' name 'CfReleaseTransferKey';result := DllCall("cldapi\CfReleaseTransferKey"
, "Ptr", FileHandle ; HANDLE
, "Ptr", TransferKey ; LONGLONG*
, "Int") ; return: void●CfReleaseTransferKey(FileHandle, TransferKey) = DLL("cldapi.dll", "int CfReleaseTransferKey(void*, void*)")
# 呼び出し: CfReleaseTransferKey(FileHandle, TransferKey)
# FileHandle : HANDLE -> "void*"
# TransferKey : LONGLONG* -> "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 "cldapi" fn CfReleaseTransferKey(
FileHandle: ?*anyopaque, // HANDLE
TransferKey: [*c]i64 // LONGLONG*
) callconv(std.os.windows.WINAPI) void;proc CfReleaseTransferKey(
FileHandle: pointer, # HANDLE
TransferKey: ptr int64 # LONGLONG*
) {.importc: "CfReleaseTransferKey", stdcall, dynlib: "cldapi.dll".}pragma(lib, "cldapi");
extern(Windows)
void CfReleaseTransferKey(
void* FileHandle, // HANDLE
long* TransferKey // LONGLONG*
);ccall((:CfReleaseTransferKey, "cldapi.dll"), stdcall, Cvoid,
(Ptr{Cvoid}, Ptr{Int64}),
FileHandle, TransferKey)
# FileHandle : HANDLE -> Ptr{Cvoid}
# TransferKey : LONGLONG* -> Ptr{Int64}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
void CfReleaseTransferKey(
void* FileHandle,
int64_t* TransferKey);
]]
local cldapi = ffi.load("cldapi")
-- cldapi.CfReleaseTransferKey(FileHandle, TransferKey)
-- FileHandle : HANDLE
-- TransferKey : LONGLONG*
-- 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('cldapi.dll');
const CfReleaseTransferKey = lib.func('__stdcall', 'CfReleaseTransferKey', 'void', ['void *', 'int64_t *']);
// CfReleaseTransferKey(FileHandle, TransferKey)
// FileHandle : HANDLE -> 'void *'
// TransferKey : LONGLONG* -> 'int64_t *'
// 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("cldapi.dll", {
CfReleaseTransferKey: { parameters: ["pointer", "pointer"], result: "void" },
});
// lib.symbols.CfReleaseTransferKey(FileHandle, TransferKey)
// FileHandle : HANDLE -> "pointer"
// TransferKey : LONGLONG* -> "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
void CfReleaseTransferKey(
void* FileHandle,
int64_t* TransferKey);
C, "cldapi.dll");
// $ffi->CfReleaseTransferKey(FileHandle, TransferKey);
// FileHandle : HANDLE
// TransferKey : LONGLONG*
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Cldapi extends StdCallLibrary {
Cldapi INSTANCE = Native.load("cldapi", Cldapi.class);
void CfReleaseTransferKey(
Pointer FileHandle, // HANDLE
LongByReference TransferKey // LONGLONG*
);
}@[Link("cldapi")]
lib Libcldapi
fun CfReleaseTransferKey = CfReleaseTransferKey(
FileHandle : Void*, # HANDLE
TransferKey : Int64* # LONGLONG*
) : Void
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef CfReleaseTransferKeyNative = Void Function(Pointer<Void>, Pointer<Int64>);
typedef CfReleaseTransferKeyDart = void Function(Pointer<Void>, Pointer<Int64>);
final CfReleaseTransferKey = DynamicLibrary.open('cldapi.dll')
.lookupFunction<CfReleaseTransferKeyNative, CfReleaseTransferKeyDart>('CfReleaseTransferKey');
// FileHandle : HANDLE -> Pointer<Void>
// TransferKey : LONGLONG* -> Pointer<Int64>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
procedure CfReleaseTransferKey(
FileHandle: THandle; // HANDLE
TransferKey: Pointer // LONGLONG*
); stdcall;
external 'cldapi.dll' name 'CfReleaseTransferKey';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "CfReleaseTransferKey"
c_CfReleaseTransferKey :: Ptr () -> Ptr Int64 -> IO ()
-- FileHandle : HANDLE -> Ptr ()
-- TransferKey : LONGLONG* -> Ptr Int64
-- 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 cfreleasetransferkey =
foreign "CfReleaseTransferKey"
((ptr void) @-> (ptr int64_t) @-> returning void)
(* FileHandle : HANDLE -> (ptr void) *)
(* TransferKey : LONGLONG* -> (ptr int64_t) *)
(* 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 cldapi (t "cldapi.dll"))
(cffi:use-foreign-library cldapi)
(cffi:defcfun ("CfReleaseTransferKey" cf-release-transfer-key :convention :stdcall) :void
(file-handle :pointer) ; HANDLE
(transfer-key :pointer)) ; LONGLONG*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $CfReleaseTransferKey = Win32::API::More->new('cldapi',
'void CfReleaseTransferKey(HANDLE FileHandle, LPVOID TransferKey)');
# my $ret = $CfReleaseTransferKey->Call($FileHandle, $TransferKey);
# FileHandle : HANDLE -> HANDLE
# TransferKey : LONGLONG* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。