ホーム › System.Performance › PdhUpdateLogFileCatalog

PdhUpdateLogFileCatalog

関数

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DLLpdh.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

DWORD PdhUpdateLogFileCatalog(
    PDH_HLOG hLog
);

パラメーター

名前	型	方向
hLog	PDH_HLOG	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD PdhUpdateLogFileCatalog(
    PDH_HLOG hLog
);

[DllImport("pdh.dll", ExactSpelling = true)]
static extern uint PdhUpdateLogFileCatalog(
    IntPtr hLog   // PDH_HLOG
);

<DllImport("pdh.dll", ExactSpelling:=True)>
Public Shared Function PdhUpdateLogFileCatalog(
    hLog As IntPtr   ' PDH_HLOG
) As UInteger
End Function

' hLog : PDH_HLOG
Declare PtrSafe Function PdhUpdateLogFileCatalog Lib "pdh" ( _
    ByVal hLog 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

PdhUpdateLogFileCatalog = ctypes.windll.pdh.PdhUpdateLogFileCatalog
PdhUpdateLogFileCatalog.restype = wintypes.DWORD
PdhUpdateLogFileCatalog.argtypes = [
    wintypes.HANDLE,  # hLog : PDH_HLOG
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('pdh.dll')
PdhUpdateLogFileCatalog = Fiddle::Function.new(
  lib['PdhUpdateLogFileCatalog'],
  [
    Fiddle::TYPE_VOIDP,  # hLog : PDH_HLOG
  ],
  -Fiddle::TYPE_INT)

#[link(name = "pdh")]
extern "system" {
    fn PdhUpdateLogFileCatalog(
        hLog: *mut core::ffi::c_void  // PDH_HLOG
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("pdh.dll")]
public static extern uint PdhUpdateLogFileCatalog(IntPtr hLog);
"@
$api = Add-Type -MemberDefinition $sig -Name 'pdh_PdhUpdateLogFileCatalog' -Namespace Win32 -PassThru
# $api::PdhUpdateLogFileCatalog(hLog)

#uselib "pdh.dll"
#func global PdhUpdateLogFileCatalog "PdhUpdateLogFileCatalog" sptr
; PdhUpdateLogFileCatalog hLog   ; 戻り値は stat
; hLog : PDH_HLOG -> "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 "pdh.dll"
#cfunc global PdhUpdateLogFileCatalog "PdhUpdateLogFileCatalog" sptr
; res = PdhUpdateLogFileCatalog(hLog)
; hLog : PDH_HLOG -> "sptr"

; DWORD PdhUpdateLogFileCatalog(PDH_HLOG hLog)
#uselib "pdh.dll"
#cfunc global PdhUpdateLogFileCatalog "PdhUpdateLogFileCatalog" intptr
; res = PdhUpdateLogFileCatalog(hLog)
; hLog : PDH_HLOG -> "intptr"

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

var (
	pdh = windows.NewLazySystemDLL("pdh.dll")
	procPdhUpdateLogFileCatalog = pdh.NewProc("PdhUpdateLogFileCatalog")
)

// hLog (PDH_HLOG)
r1, _, err := procPdhUpdateLogFileCatalog.Call(
	uintptr(hLog),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PdhUpdateLogFileCatalog(
  hLog: THandle   // PDH_HLOG
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhUpdateLogFileCatalog';

result := DllCall("pdh\PdhUpdateLogFileCatalog"
    , "Ptr", hLog   ; PDH_HLOG
    , "UInt")   ; return: DWORD

●PdhUpdateLogFileCatalog(hLog) = DLL("pdh.dll", "dword PdhUpdateLogFileCatalog(void*)")
# 呼び出し: PdhUpdateLogFileCatalog(hLog)
# hLog : PDH_HLOG -> "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)。