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RollbackTransactionAsync

関数

KTMトランザクションを非同期でロールバックする。

DLLktmw32.dll呼出規約winapiSetLastErrorあり対応OSWindows Vista 以降

シグネチャ

// ktmw32.dll
#include <windows.h>

BOOL RollbackTransactionAsync(
    HANDLE TransactionHandle
);

パラメーター

名前	型	方向
TransactionHandle	HANDLE	in

戻り値の型: BOOL

各言語での呼び出し定義

// ktmw32.dll
#include <windows.h>

BOOL RollbackTransactionAsync(
    HANDLE TransactionHandle
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ktmw32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool RollbackTransactionAsync(
    IntPtr TransactionHandle   // HANDLE
);

<DllImport("ktmw32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function RollbackTransactionAsync(
    TransactionHandle As IntPtr   ' HANDLE
) As Boolean
End Function

' TransactionHandle : HANDLE
Declare PtrSafe Function RollbackTransactionAsync Lib "ktmw32" ( _
    ByVal TransactionHandle 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

RollbackTransactionAsync = ctypes.windll.ktmw32.RollbackTransactionAsync
RollbackTransactionAsync.restype = wintypes.BOOL
RollbackTransactionAsync.argtypes = [
    wintypes.HANDLE,  # TransactionHandle : HANDLE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ktmw32.dll')
RollbackTransactionAsync = Fiddle::Function.new(
  lib['RollbackTransactionAsync'],
  [
    Fiddle::TYPE_VOIDP,  # TransactionHandle : HANDLE
  ],
  Fiddle::TYPE_INT)

#[link(name = "ktmw32")]
extern "system" {
    fn RollbackTransactionAsync(
        TransactionHandle: *mut core::ffi::c_void  // HANDLE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ktmw32.dll", SetLastError = true)]
public static extern bool RollbackTransactionAsync(IntPtr TransactionHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ktmw32_RollbackTransactionAsync' -Namespace Win32 -PassThru
# $api::RollbackTransactionAsync(TransactionHandle)

#uselib "ktmw32.dll"
#func global RollbackTransactionAsync "RollbackTransactionAsync" sptr
; RollbackTransactionAsync TransactionHandle   ; 戻り値は stat
; TransactionHandle : HANDLE -> "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 "ktmw32.dll"
#cfunc global RollbackTransactionAsync "RollbackTransactionAsync" sptr
; res = RollbackTransactionAsync(TransactionHandle)
; TransactionHandle : HANDLE -> "sptr"

; BOOL RollbackTransactionAsync(HANDLE TransactionHandle)
#uselib "ktmw32.dll"
#cfunc global RollbackTransactionAsync "RollbackTransactionAsync" intptr
; res = RollbackTransactionAsync(TransactionHandle)
; TransactionHandle : HANDLE -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ktmw32 = windows.NewLazySystemDLL("ktmw32.dll")
	procRollbackTransactionAsync = ktmw32.NewProc("RollbackTransactionAsync")
)

// TransactionHandle (HANDLE)
r1, _, err := procRollbackTransactionAsync.Call(
	uintptr(TransactionHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function RollbackTransactionAsync(
  TransactionHandle: THandle   // HANDLE
): BOOL; stdcall;
  external 'ktmw32.dll' name 'RollbackTransactionAsync';

result := DllCall("ktmw32\RollbackTransactionAsync"
    , "Ptr", TransactionHandle   ; HANDLE
    , "Int")   ; return: BOOL

●RollbackTransactionAsync(TransactionHandle) = DLL("ktmw32.dll", "bool RollbackTransactionAsync(void*)")
# 呼び出し: RollbackTransactionAsync(TransactionHandle)
# TransactionHandle : HANDLE -> "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)。