PdhSetCounterScaleFactor

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

DWORD PdhSetCounterScaleFactor(
    PDH_HCOUNTER hCounter,
    INT lFactor
);

<DllImport("pdh.dll", ExactSpelling:=True)>
Public Shared Function PdhSetCounterScaleFactor(
    hCounter As IntPtr,   ' PDH_HCOUNTER in/out
    lFactor As Integer   ' INT
) As UInteger
End Function

' hCounter : PDH_HCOUNTER in/out
' lFactor : INT
Declare PtrSafe Function PdhSetCounterScaleFactor Lib "pdh" ( _
    ByVal hCounter As LongPtr, _
    ByVal lFactor 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

PdhSetCounterScaleFactor = ctypes.windll.pdh.PdhSetCounterScaleFactor
PdhSetCounterScaleFactor.restype = wintypes.DWORD
PdhSetCounterScaleFactor.argtypes = [
    wintypes.HANDLE,  # hCounter : PDH_HCOUNTER in/out
    ctypes.c_int,  # lFactor : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('pdh.dll')
PdhSetCounterScaleFactor = Fiddle::Function.new(
  lib['PdhSetCounterScaleFactor'],
  [
    Fiddle::TYPE_VOIDP,  # hCounter : PDH_HCOUNTER in/out
    Fiddle::TYPE_INT,  # lFactor : INT
  ],
  -Fiddle::TYPE_INT)

#[link(name = "pdh")]
extern "system" {
    fn PdhSetCounterScaleFactor(
        hCounter: *mut core::ffi::c_void,  // PDH_HCOUNTER in/out
        lFactor: i32  // INT
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("pdh.dll")]
public static extern uint PdhSetCounterScaleFactor(IntPtr hCounter, int lFactor);
"@
$api = Add-Type -MemberDefinition $sig -Name 'pdh_PdhSetCounterScaleFactor' -Namespace Win32 -PassThru
# $api::PdhSetCounterScaleFactor(hCounter, lFactor)

#uselib "pdh.dll"
#func global PdhSetCounterScaleFactor "PdhSetCounterScaleFactor" sptr, sptr
; PdhSetCounterScaleFactor hCounter, lFactor   ; 戻り値は stat
; hCounter : PDH_HCOUNTER in/out -> "sptr"
; lFactor : INT -> "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 PdhSetCounterScaleFactor "PdhSetCounterScaleFactor" sptr, int
; res = PdhSetCounterScaleFactor(hCounter, lFactor)
; hCounter : PDH_HCOUNTER in/out -> "sptr"
; lFactor : INT -> "int"

; DWORD PdhSetCounterScaleFactor(PDH_HCOUNTER hCounter, INT lFactor)
#uselib "pdh.dll"
#cfunc global PdhSetCounterScaleFactor "PdhSetCounterScaleFactor" intptr, int
; res = PdhSetCounterScaleFactor(hCounter, lFactor)
; hCounter : PDH_HCOUNTER in/out -> "intptr"
; lFactor : INT -> "int"

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

var (
	pdh = windows.NewLazySystemDLL("pdh.dll")
	procPdhSetCounterScaleFactor = pdh.NewProc("PdhSetCounterScaleFactor")
)

// hCounter (PDH_HCOUNTER in/out), lFactor (INT)
r1, _, err := procPdhSetCounterScaleFactor.Call(
	uintptr(hCounter),
	uintptr(lFactor),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PdhSetCounterScaleFactor(
  hCounter: THandle;   // PDH_HCOUNTER in/out
  lFactor: Integer   // INT
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhSetCounterScaleFactor';

result := DllCall("pdh\PdhSetCounterScaleFactor"
    , "Ptr", hCounter   ; PDH_HCOUNTER in/out
    , "Int", lFactor   ; INT
    , "UInt")   ; return: DWORD

●PdhSetCounterScaleFactor(hCounter, lFactor) = DLL("pdh.dll", "dword PdhSetCounterScaleFactor(void*, int)")
# 呼び出し: PdhSetCounterScaleFactor(hCounter, lFactor)
# hCounter : PDH_HCOUNTER in/out -> "void*"
# lFactor : INT -> "int"
# 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)。