ホーム › System.Performance › PdhSetDefaultRealTimeDataSource

PdhSetDefaultRealTimeDataSource

関数

既定のリアルタイムデータソースを設定する。

DLLpdh.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

DWORD PdhSetDefaultRealTimeDataSource(
    REAL_TIME_DATA_SOURCE_ID_FLAGS dwDataSourceId
);

パラメーター

名前	型	方向
dwDataSourceId	REAL_TIME_DATA_SOURCE_ID_FLAGS	in

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD PdhSetDefaultRealTimeDataSource(
    REAL_TIME_DATA_SOURCE_ID_FLAGS dwDataSourceId
);

[DllImport("pdh.dll", ExactSpelling = true)]
static extern uint PdhSetDefaultRealTimeDataSource(
    uint dwDataSourceId   // REAL_TIME_DATA_SOURCE_ID_FLAGS
);

<DllImport("pdh.dll", ExactSpelling:=True)>
Public Shared Function PdhSetDefaultRealTimeDataSource(
    dwDataSourceId As UInteger   ' REAL_TIME_DATA_SOURCE_ID_FLAGS
) As UInteger
End Function

' dwDataSourceId : REAL_TIME_DATA_SOURCE_ID_FLAGS
Declare PtrSafe Function PdhSetDefaultRealTimeDataSource Lib "pdh" ( _
    ByVal dwDataSourceId As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PdhSetDefaultRealTimeDataSource = ctypes.windll.pdh.PdhSetDefaultRealTimeDataSource
PdhSetDefaultRealTimeDataSource.restype = wintypes.DWORD
PdhSetDefaultRealTimeDataSource.argtypes = [
    wintypes.DWORD,  # dwDataSourceId : REAL_TIME_DATA_SOURCE_ID_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('pdh.dll')
PdhSetDefaultRealTimeDataSource = Fiddle::Function.new(
  lib['PdhSetDefaultRealTimeDataSource'],
  [
    -Fiddle::TYPE_INT,  # dwDataSourceId : REAL_TIME_DATA_SOURCE_ID_FLAGS
  ],
  -Fiddle::TYPE_INT)

#[link(name = "pdh")]
extern "system" {
    fn PdhSetDefaultRealTimeDataSource(
        dwDataSourceId: u32  // REAL_TIME_DATA_SOURCE_ID_FLAGS
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "pdh.dll"
#func global PdhSetDefaultRealTimeDataSource "PdhSetDefaultRealTimeDataSource" sptr
; PdhSetDefaultRealTimeDataSource dwDataSourceId   ; 戻り値は stat
; dwDataSourceId : REAL_TIME_DATA_SOURCE_ID_FLAGS -> "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 PdhSetDefaultRealTimeDataSource "PdhSetDefaultRealTimeDataSource" int
; res = PdhSetDefaultRealTimeDataSource(dwDataSourceId)
; dwDataSourceId : REAL_TIME_DATA_SOURCE_ID_FLAGS -> "int"

; DWORD PdhSetDefaultRealTimeDataSource(REAL_TIME_DATA_SOURCE_ID_FLAGS dwDataSourceId)
#uselib "pdh.dll"
#cfunc global PdhSetDefaultRealTimeDataSource "PdhSetDefaultRealTimeDataSource" int
; res = PdhSetDefaultRealTimeDataSource(dwDataSourceId)
; dwDataSourceId : REAL_TIME_DATA_SOURCE_ID_FLAGS -> "int"

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

var (
	pdh = windows.NewLazySystemDLL("pdh.dll")
	procPdhSetDefaultRealTimeDataSource = pdh.NewProc("PdhSetDefaultRealTimeDataSource")
)

// dwDataSourceId (REAL_TIME_DATA_SOURCE_ID_FLAGS)
r1, _, err := procPdhSetDefaultRealTimeDataSource.Call(
	uintptr(dwDataSourceId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PdhSetDefaultRealTimeDataSource(
  dwDataSourceId: DWORD   // REAL_TIME_DATA_SOURCE_ID_FLAGS
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhSetDefaultRealTimeDataSource';

result := DllCall("pdh\PdhSetDefaultRealTimeDataSource"
    , "UInt", dwDataSourceId   ; REAL_TIME_DATA_SOURCE_ID_FLAGS
    , "UInt")   ; return: DWORD

●PdhSetDefaultRealTimeDataSource(dwDataSourceId) = DLL("pdh.dll", "dword PdhSetDefaultRealTimeDataSource(dword)")
# 呼び出し: PdhSetDefaultRealTimeDataSource(dwDataSourceId)
# dwDataSourceId : REAL_TIME_DATA_SOURCE_ID_FLAGS -> "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)。