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JetOpenTableW
関数データベース内のテーブルを開きカーソルを取得する(Unicode版)。
シグネチャ
// ESENT.dll (Unicode / -W)
#include <windows.h>
INT JetOpenTableW(
JET_SESID sesid,
DWORD dbid,
WORD* szTableName,
void* pvParameters, // optional
DWORD cbParameters,
DWORD grbit,
JET_TABLEID* ptableid
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| sesid | JET_SESID | in |
| dbid | DWORD | in |
| szTableName | WORD* | in |
| pvParameters | void* | inoptional |
| cbParameters | DWORD | in |
| grbit | DWORD | in |
| ptableid | JET_TABLEID* | out |
戻り値の型: INT
各言語での呼び出し定義
// ESENT.dll (Unicode / -W)
#include <windows.h>
INT JetOpenTableW(
JET_SESID sesid,
DWORD dbid,
WORD* szTableName,
void* pvParameters, // optional
DWORD cbParameters,
DWORD grbit,
JET_TABLEID* ptableid
);[DllImport("ESENT.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int JetOpenTableW(
UIntPtr sesid, // JET_SESID
uint dbid, // DWORD
ref ushort szTableName, // WORD*
IntPtr pvParameters, // void* optional
uint cbParameters, // DWORD
uint grbit, // DWORD
out UIntPtr ptableid // JET_TABLEID* out
);<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetOpenTableW(
sesid As UIntPtr, ' JET_SESID
dbid As UInteger, ' DWORD
ByRef szTableName As UShort, ' WORD*
pvParameters As IntPtr, ' void* optional
cbParameters As UInteger, ' DWORD
grbit As UInteger, ' DWORD
<Out> ByRef ptableid As UIntPtr ' JET_TABLEID* out
) As Integer
End Function' sesid : JET_SESID
' dbid : DWORD
' szTableName : WORD*
' pvParameters : void* optional
' cbParameters : DWORD
' grbit : DWORD
' ptableid : JET_TABLEID* out
Declare PtrSafe Function JetOpenTableW Lib "esent" ( _
ByVal sesid As LongPtr, _
ByVal dbid As Long, _
ByRef szTableName As Integer, _
ByVal pvParameters As LongPtr, _
ByVal cbParameters As Long, _
ByVal grbit As Long, _
ByRef ptableid As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
JetOpenTableW = ctypes.windll.esent.JetOpenTableW
JetOpenTableW.restype = ctypes.c_int
JetOpenTableW.argtypes = [
ctypes.c_size_t, # sesid : JET_SESID
wintypes.DWORD, # dbid : DWORD
ctypes.POINTER(ctypes.c_ushort), # szTableName : WORD*
ctypes.POINTER(None), # pvParameters : void* optional
wintypes.DWORD, # cbParameters : DWORD
wintypes.DWORD, # grbit : DWORD
ctypes.c_void_p, # ptableid : JET_TABLEID* out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ESENT.dll')
JetOpenTableW = Fiddle::Function.new(
lib['JetOpenTableW'],
[
Fiddle::TYPE_UINTPTR_T, # sesid : JET_SESID
-Fiddle::TYPE_INT, # dbid : DWORD
Fiddle::TYPE_VOIDP, # szTableName : WORD*
Fiddle::TYPE_VOIDP, # pvParameters : void* optional
-Fiddle::TYPE_INT, # cbParameters : DWORD
-Fiddle::TYPE_INT, # grbit : DWORD
Fiddle::TYPE_VOIDP, # ptableid : JET_TABLEID* out
],
Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "esent")]
extern "system" {
fn JetOpenTableW(
sesid: usize, // JET_SESID
dbid: u32, // DWORD
szTableName: *mut u16, // WORD*
pvParameters: *mut (), // void* optional
cbParameters: u32, // DWORD
grbit: u32, // DWORD
ptableid: *mut usize // JET_TABLEID* out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Unicode)]
public static extern int JetOpenTableW(UIntPtr sesid, uint dbid, ref ushort szTableName, IntPtr pvParameters, uint cbParameters, uint grbit, out UIntPtr ptableid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetOpenTableW' -Namespace Win32 -PassThru
# $api::JetOpenTableW(sesid, dbid, szTableName, pvParameters, cbParameters, grbit, ptableid)#uselib "ESENT.dll"
#func global JetOpenTableW "JetOpenTableW" wptr, wptr, wptr, wptr, wptr, wptr, wptr
; JetOpenTableW sesid, dbid, varptr(szTableName), pvParameters, cbParameters, grbit, ptableid ; 戻り値は stat
; sesid : JET_SESID -> "wptr"
; dbid : DWORD -> "wptr"
; szTableName : WORD* -> "wptr"
; pvParameters : void* optional -> "wptr"
; cbParameters : DWORD -> "wptr"
; grbit : DWORD -> "wptr"
; ptableid : JET_TABLEID* out -> "wptr"
; ※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 "ESENT.dll" #cfunc global JetOpenTableW "JetOpenTableW" sptr, int, var, sptr, int, int, int ; res = JetOpenTableW(sesid, dbid, szTableName, pvParameters, cbParameters, grbit, ptableid) ; sesid : JET_SESID -> "sptr" ; dbid : DWORD -> "int" ; szTableName : WORD* -> "var" ; pvParameters : void* optional -> "sptr" ; cbParameters : DWORD -> "int" ; grbit : DWORD -> "int" ; ptableid : JET_TABLEID* out -> "int" ; ※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 "ESENT.dll" #cfunc global JetOpenTableW "JetOpenTableW" sptr, int, sptr, sptr, int, int, int ; res = JetOpenTableW(sesid, dbid, varptr(szTableName), pvParameters, cbParameters, grbit, ptableid) ; sesid : JET_SESID -> "sptr" ; dbid : DWORD -> "int" ; szTableName : WORD* -> "sptr" ; pvParameters : void* optional -> "sptr" ; cbParameters : DWORD -> "int" ; grbit : DWORD -> "int" ; ptableid : JET_TABLEID* out -> "int" ; ※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:
; INT JetOpenTableW(JET_SESID sesid, DWORD dbid, WORD* szTableName, void* pvParameters, DWORD cbParameters, DWORD grbit, JET_TABLEID* ptableid) #uselib "ESENT.dll" #cfunc global JetOpenTableW "JetOpenTableW" intptr, int, var, intptr, int, int, int ; res = JetOpenTableW(sesid, dbid, szTableName, pvParameters, cbParameters, grbit, ptableid) ; sesid : JET_SESID -> "intptr" ; dbid : DWORD -> "int" ; szTableName : WORD* -> "var" ; pvParameters : void* optional -> "intptr" ; cbParameters : DWORD -> "int" ; grbit : DWORD -> "int" ; ptableid : JET_TABLEID* out -> "int" ; ※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。; INT JetOpenTableW(JET_SESID sesid, DWORD dbid, WORD* szTableName, void* pvParameters, DWORD cbParameters, DWORD grbit, JET_TABLEID* ptableid) #uselib "ESENT.dll" #cfunc global JetOpenTableW "JetOpenTableW" intptr, int, intptr, intptr, int, int, int ; res = JetOpenTableW(sesid, dbid, varptr(szTableName), pvParameters, cbParameters, grbit, ptableid) ; sesid : JET_SESID -> "intptr" ; dbid : DWORD -> "int" ; szTableName : WORD* -> "intptr" ; pvParameters : void* optional -> "intptr" ; cbParameters : DWORD -> "int" ; grbit : DWORD -> "int" ; ptableid : JET_TABLEID* out -> "int" ; ※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 (
esent = windows.NewLazySystemDLL("ESENT.dll")
procJetOpenTableW = esent.NewProc("JetOpenTableW")
)
// sesid (JET_SESID), dbid (DWORD), szTableName (WORD*), pvParameters (void* optional), cbParameters (DWORD), grbit (DWORD), ptableid (JET_TABLEID* out)
r1, _, err := procJetOpenTableW.Call(
uintptr(sesid),
uintptr(dbid),
uintptr(szTableName),
uintptr(pvParameters),
uintptr(cbParameters),
uintptr(grbit),
uintptr(ptableid),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // INTfunction JetOpenTableW(
sesid: NativeUInt; // JET_SESID
dbid: DWORD; // DWORD
szTableName: Pointer; // WORD*
pvParameters: Pointer; // void* optional
cbParameters: DWORD; // DWORD
grbit: DWORD; // DWORD
ptableid: Pointer // JET_TABLEID* out
): Integer; stdcall;
external 'ESENT.dll' name 'JetOpenTableW';result := DllCall("ESENT\JetOpenTableW"
, "UPtr", sesid ; JET_SESID
, "UInt", dbid ; DWORD
, "Ptr", szTableName ; WORD*
, "Ptr", pvParameters ; void* optional
, "UInt", cbParameters ; DWORD
, "UInt", grbit ; DWORD
, "Ptr", ptableid ; JET_TABLEID* out
, "Int") ; return: INT●JetOpenTableW(sesid, dbid, szTableName, pvParameters, cbParameters, grbit, ptableid) = DLL("ESENT.dll", "int JetOpenTableW(int, dword, void*, void*, dword, dword, void*)")
# 呼び出し: JetOpenTableW(sesid, dbid, szTableName, pvParameters, cbParameters, grbit, ptableid)
# sesid : JET_SESID -> "int"
# dbid : DWORD -> "dword"
# szTableName : WORD* -> "void*"
# pvParameters : void* optional -> "void*"
# cbParameters : DWORD -> "dword"
# grbit : DWORD -> "dword"
# ptableid : JET_TABLEID* out -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。