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OperationStart
関数プリフェッチ最適化用に操作記録の開始を通知する。
シグネチャ
// ADVAPI32.dll
#include <windows.h>
BOOL OperationStart(
OPERATION_START_PARAMETERS* OperationStartParams
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| OperationStartParams | OPERATION_START_PARAMETERS* | in |
戻り値の型: BOOL
各言語での呼び出し定義
// ADVAPI32.dll
#include <windows.h>
BOOL OperationStart(
OPERATION_START_PARAMETERS* OperationStartParams
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern bool OperationStart(
IntPtr OperationStartParams // OPERATION_START_PARAMETERS*
);<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function OperationStart(
OperationStartParams As IntPtr ' OPERATION_START_PARAMETERS*
) As Boolean
End Function' OperationStartParams : OPERATION_START_PARAMETERS*
Declare PtrSafe Function OperationStart Lib "advapi32" ( _
ByVal OperationStartParams 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
OperationStart = ctypes.windll.advapi32.OperationStart
OperationStart.restype = wintypes.BOOL
OperationStart.argtypes = [
ctypes.c_void_p, # OperationStartParams : OPERATION_START_PARAMETERS*
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ADVAPI32.dll')
OperationStart = Fiddle::Function.new(
lib['OperationStart'],
[
Fiddle::TYPE_VOIDP, # OperationStartParams : OPERATION_START_PARAMETERS*
],
Fiddle::TYPE_INT)#[link(name = "advapi32")]
extern "system" {
fn OperationStart(
OperationStartParams: *mut OPERATION_START_PARAMETERS // OPERATION_START_PARAMETERS*
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll")]
public static extern bool OperationStart(IntPtr OperationStartParams);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_OperationStart' -Namespace Win32 -PassThru
# $api::OperationStart(OperationStartParams)#uselib "ADVAPI32.dll"
#func global OperationStart "OperationStart" sptr
; OperationStart varptr(OperationStartParams) ; 戻り値は stat
; OperationStartParams : OPERATION_START_PARAMETERS* -> "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。出力引数:
#uselib "ADVAPI32.dll" #cfunc global OperationStart "OperationStart" var ; res = OperationStart(OperationStartParams) ; OperationStartParams : OPERATION_START_PARAMETERS* -> "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 "ADVAPI32.dll" #cfunc global OperationStart "OperationStart" sptr ; res = OperationStart(varptr(OperationStartParams)) ; OperationStartParams : OPERATION_START_PARAMETERS* -> "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:
; BOOL OperationStart(OPERATION_START_PARAMETERS* OperationStartParams) #uselib "ADVAPI32.dll" #cfunc global OperationStart "OperationStart" var ; res = OperationStart(OperationStartParams) ; OperationStartParams : OPERATION_START_PARAMETERS* -> "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。; BOOL OperationStart(OPERATION_START_PARAMETERS* OperationStartParams) #uselib "ADVAPI32.dll" #cfunc global OperationStart "OperationStart" intptr ; res = OperationStart(varptr(OperationStartParams)) ; OperationStartParams : OPERATION_START_PARAMETERS* -> "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 (
advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
procOperationStart = advapi32.NewProc("OperationStart")
)
// OperationStartParams (OPERATION_START_PARAMETERS*)
r1, _, err := procOperationStart.Call(
uintptr(OperationStartParams),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction OperationStart(
OperationStartParams: Pointer // OPERATION_START_PARAMETERS*
): BOOL; stdcall;
external 'ADVAPI32.dll' name 'OperationStart';result := DllCall("ADVAPI32\OperationStart"
, "Ptr", OperationStartParams ; OPERATION_START_PARAMETERS*
, "Int") ; return: BOOL●OperationStart(OperationStartParams) = DLL("ADVAPI32.dll", "bool OperationStart(void*)")
# 呼び出し: OperationStart(OperationStartParams)
# OperationStartParams : OPERATION_START_PARAMETERS* -> "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)。