JetBeginTransaction

関数

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DLLESENT.dll呼出規約winapi

シグネチャ

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

INT JetBeginTransaction(
    JET_SESID sesid
);

パラメーター

名前	型	方向
sesid	JET_SESID	in

戻り値の型: INT

各言語での呼び出し定義

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

INT JetBeginTransaction(
    JET_SESID sesid
);

[DllImport("ESENT.dll", ExactSpelling = true)]
static extern int JetBeginTransaction(
    UIntPtr sesid   // JET_SESID
);

<DllImport("ESENT.dll", ExactSpelling:=True)>
Public Shared Function JetBeginTransaction(
    sesid As UIntPtr   ' JET_SESID
) As Integer
End Function

' sesid : JET_SESID
Declare PtrSafe Function JetBeginTransaction Lib "esent" ( _
    ByVal sesid 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

JetBeginTransaction = ctypes.windll.esent.JetBeginTransaction
JetBeginTransaction.restype = ctypes.c_int
JetBeginTransaction.argtypes = [
    ctypes.c_size_t,  # sesid : JET_SESID
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ESENT.dll')
JetBeginTransaction = Fiddle::Function.new(
  lib['JetBeginTransaction'],
  [
    Fiddle::TYPE_UINTPTR_T,  # sesid : JET_SESID
  ],
  Fiddle::TYPE_INT)

#[link(name = "esent")]
extern "system" {
    fn JetBeginTransaction(
        sesid: usize  // JET_SESID
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ESENT.dll")]
public static extern int JetBeginTransaction(UIntPtr sesid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetBeginTransaction' -Namespace Win32 -PassThru
# $api::JetBeginTransaction(sesid)

#uselib "ESENT.dll"
#func global JetBeginTransaction "JetBeginTransaction" sptr
; JetBeginTransaction sesid   ; 戻り値は stat
; sesid : JET_SESID -> "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 "ESENT.dll"
#cfunc global JetBeginTransaction "JetBeginTransaction" sptr
; res = JetBeginTransaction(sesid)
; sesid : JET_SESID -> "sptr"

; INT JetBeginTransaction(JET_SESID sesid)
#uselib "ESENT.dll"
#cfunc global JetBeginTransaction "JetBeginTransaction" intptr
; res = JetBeginTransaction(sesid)
; sesid : JET_SESID -> "intptr"

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

var (
	esent = windows.NewLazySystemDLL("ESENT.dll")
	procJetBeginTransaction = esent.NewProc("JetBeginTransaction")
)

// sesid (JET_SESID)
r1, _, err := procJetBeginTransaction.Call(
	uintptr(sesid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function JetBeginTransaction(
  sesid: NativeUInt   // JET_SESID
): Integer; stdcall;
  external 'ESENT.dll' name 'JetBeginTransaction';

result := DllCall("ESENT\JetBeginTransaction"
    , "UPtr", sesid   ; JET_SESID
    , "Int")   ; return: INT

●JetBeginTransaction(sesid) = DLL("ESENT.dll", "int JetBeginTransaction(int)")
# 呼び出し: JetBeginTransaction(sesid)
# sesid : JET_SESID -> "int"
# 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)。