ホーム › Storage.Jet › JetCreateIndex4W
JetCreateIndex4W
関数さらに拡張した構造体で複数のインデックスを作成する(Unicode版)。
シグネチャ
// ESENT.dll (Unicode / -W)
#include <windows.h>
INT JetCreateIndex4W(
JET_SESID sesid,
JET_TABLEID tableid,
JET_INDEXCREATE3_W* pindexcreate,
DWORD cIndexCreate
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| sesid | JET_SESID | in |
| tableid | JET_TABLEID | in |
| pindexcreate | JET_INDEXCREATE3_W* | in |
| cIndexCreate | DWORD | in |
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 JetCreateIndex4W(
JET_SESID sesid,
JET_TABLEID tableid,
JET_INDEXCREATE3_W* pindexcreate,
DWORD cIndexCreate
);[DllImport("ESENT.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int JetCreateIndex4W(
UIntPtr sesid, // JET_SESID
UIntPtr tableid, // JET_TABLEID
IntPtr pindexcreate, // JET_INDEXCREATE3_W*
uint cIndexCreate // DWORD
);<DllImport("ESENT.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function JetCreateIndex4W(
sesid As UIntPtr, ' JET_SESID
tableid As UIntPtr, ' JET_TABLEID
pindexcreate As IntPtr, ' JET_INDEXCREATE3_W*
cIndexCreate As UInteger ' DWORD
) As Integer
End Function' sesid : JET_SESID
' tableid : JET_TABLEID
' pindexcreate : JET_INDEXCREATE3_W*
' cIndexCreate : DWORD
Declare PtrSafe Function JetCreateIndex4W Lib "esent" ( _
ByVal sesid As LongPtr, _
ByVal tableid As LongPtr, _
ByVal pindexcreate As LongPtr, _
ByVal cIndexCreate As Long) 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
JetCreateIndex4W = ctypes.windll.esent.JetCreateIndex4W
JetCreateIndex4W.restype = ctypes.c_int
JetCreateIndex4W.argtypes = [
ctypes.c_size_t, # sesid : JET_SESID
ctypes.c_size_t, # tableid : JET_TABLEID
ctypes.c_void_p, # pindexcreate : JET_INDEXCREATE3_W*
wintypes.DWORD, # cIndexCreate : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ESENT.dll')
JetCreateIndex4W = Fiddle::Function.new(
lib['JetCreateIndex4W'],
[
Fiddle::TYPE_UINTPTR_T, # sesid : JET_SESID
Fiddle::TYPE_UINTPTR_T, # tableid : JET_TABLEID
Fiddle::TYPE_VOIDP, # pindexcreate : JET_INDEXCREATE3_W*
-Fiddle::TYPE_INT, # cIndexCreate : DWORD
],
Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "esent")]
extern "system" {
fn JetCreateIndex4W(
sesid: usize, // JET_SESID
tableid: usize, // JET_TABLEID
pindexcreate: *mut JET_INDEXCREATE3_W, // JET_INDEXCREATE3_W*
cIndexCreate: u32 // DWORD
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ESENT.dll", CharSet = CharSet.Unicode)]
public static extern int JetCreateIndex4W(UIntPtr sesid, UIntPtr tableid, IntPtr pindexcreate, uint cIndexCreate);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ESENT_JetCreateIndex4W' -Namespace Win32 -PassThru
# $api::JetCreateIndex4W(sesid, tableid, pindexcreate, cIndexCreate)#uselib "ESENT.dll"
#func global JetCreateIndex4W "JetCreateIndex4W" wptr, wptr, wptr, wptr
; JetCreateIndex4W sesid, tableid, varptr(pindexcreate), cIndexCreate ; 戻り値は stat
; sesid : JET_SESID -> "wptr"
; tableid : JET_TABLEID -> "wptr"
; pindexcreate : JET_INDEXCREATE3_W* -> "wptr"
; cIndexCreate : DWORD -> "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 JetCreateIndex4W "JetCreateIndex4W" sptr, sptr, var, int ; res = JetCreateIndex4W(sesid, tableid, pindexcreate, cIndexCreate) ; sesid : JET_SESID -> "sptr" ; tableid : JET_TABLEID -> "sptr" ; pindexcreate : JET_INDEXCREATE3_W* -> "var" ; cIndexCreate : DWORD -> "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 JetCreateIndex4W "JetCreateIndex4W" sptr, sptr, sptr, int ; res = JetCreateIndex4W(sesid, tableid, varptr(pindexcreate), cIndexCreate) ; sesid : JET_SESID -> "sptr" ; tableid : JET_TABLEID -> "sptr" ; pindexcreate : JET_INDEXCREATE3_W* -> "sptr" ; cIndexCreate : DWORD -> "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 JetCreateIndex4W(JET_SESID sesid, JET_TABLEID tableid, JET_INDEXCREATE3_W* pindexcreate, DWORD cIndexCreate) #uselib "ESENT.dll" #cfunc global JetCreateIndex4W "JetCreateIndex4W" intptr, intptr, var, int ; res = JetCreateIndex4W(sesid, tableid, pindexcreate, cIndexCreate) ; sesid : JET_SESID -> "intptr" ; tableid : JET_TABLEID -> "intptr" ; pindexcreate : JET_INDEXCREATE3_W* -> "var" ; cIndexCreate : DWORD -> "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 JetCreateIndex4W(JET_SESID sesid, JET_TABLEID tableid, JET_INDEXCREATE3_W* pindexcreate, DWORD cIndexCreate) #uselib "ESENT.dll" #cfunc global JetCreateIndex4W "JetCreateIndex4W" intptr, intptr, intptr, int ; res = JetCreateIndex4W(sesid, tableid, varptr(pindexcreate), cIndexCreate) ; sesid : JET_SESID -> "intptr" ; tableid : JET_TABLEID -> "intptr" ; pindexcreate : JET_INDEXCREATE3_W* -> "intptr" ; cIndexCreate : DWORD -> "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")
procJetCreateIndex4W = esent.NewProc("JetCreateIndex4W")
)
// sesid (JET_SESID), tableid (JET_TABLEID), pindexcreate (JET_INDEXCREATE3_W*), cIndexCreate (DWORD)
r1, _, err := procJetCreateIndex4W.Call(
uintptr(sesid),
uintptr(tableid),
uintptr(pindexcreate),
uintptr(cIndexCreate),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // INTfunction JetCreateIndex4W(
sesid: NativeUInt; // JET_SESID
tableid: NativeUInt; // JET_TABLEID
pindexcreate: Pointer; // JET_INDEXCREATE3_W*
cIndexCreate: DWORD // DWORD
): Integer; stdcall;
external 'ESENT.dll' name 'JetCreateIndex4W';result := DllCall("ESENT\JetCreateIndex4W"
, "UPtr", sesid ; JET_SESID
, "UPtr", tableid ; JET_TABLEID
, "Ptr", pindexcreate ; JET_INDEXCREATE3_W*
, "UInt", cIndexCreate ; DWORD
, "Int") ; return: INT●JetCreateIndex4W(sesid, tableid, pindexcreate, cIndexCreate) = DLL("ESENT.dll", "int JetCreateIndex4W(int, int, void*, dword)")
# 呼び出し: JetCreateIndex4W(sesid, tableid, pindexcreate, cIndexCreate)
# sesid : JET_SESID -> "int"
# tableid : JET_TABLEID -> "int"
# pindexcreate : JET_INDEXCREATE3_W* -> "void*"
# cIndexCreate : DWORD -> "dword"
# 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。