PdhGetCounterTimeBase

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

DWORD PdhGetCounterTimeBase(
    PDH_HCOUNTER hCounter,
    LONGLONG* pTimeBase
);

<DllImport("pdh.dll", ExactSpelling:=True)>
Public Shared Function PdhGetCounterTimeBase(
    hCounter As IntPtr,   ' PDH_HCOUNTER
    <Out> ByRef pTimeBase As Long   ' LONGLONG* out
) As UInteger
End Function

' hCounter : PDH_HCOUNTER
' pTimeBase : LONGLONG* out
Declare PtrSafe Function PdhGetCounterTimeBase Lib "pdh" ( _
    ByVal hCounter As LongPtr, _
    ByRef pTimeBase As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PdhGetCounterTimeBase = ctypes.windll.pdh.PdhGetCounterTimeBase
PdhGetCounterTimeBase.restype = wintypes.DWORD
PdhGetCounterTimeBase.argtypes = [
    wintypes.HANDLE,  # hCounter : PDH_HCOUNTER
    ctypes.POINTER(ctypes.c_longlong),  # pTimeBase : LONGLONG* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('pdh.dll')
PdhGetCounterTimeBase = Fiddle::Function.new(
  lib['PdhGetCounterTimeBase'],
  [
    Fiddle::TYPE_VOIDP,  # hCounter : PDH_HCOUNTER
    Fiddle::TYPE_VOIDP,  # pTimeBase : LONGLONG* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "pdh")]
extern "system" {
    fn PdhGetCounterTimeBase(
        hCounter: *mut core::ffi::c_void,  // PDH_HCOUNTER
        pTimeBase: *mut i64  // LONGLONG* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("pdh.dll")]
public static extern uint PdhGetCounterTimeBase(IntPtr hCounter, out long pTimeBase);
"@
$api = Add-Type -MemberDefinition $sig -Name 'pdh_PdhGetCounterTimeBase' -Namespace Win32 -PassThru
# $api::PdhGetCounterTimeBase(hCounter, pTimeBase)

#uselib "pdh.dll"
#func global PdhGetCounterTimeBase "PdhGetCounterTimeBase" sptr, sptr
; PdhGetCounterTimeBase hCounter, varptr(pTimeBase)   ; 戻り値は stat
; hCounter : PDH_HCOUNTER -> "sptr"
; pTimeBase : LONGLONG* out -> "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 PdhGetCounterTimeBase "PdhGetCounterTimeBase" sptr, var
; res = PdhGetCounterTimeBase(hCounter, pTimeBase)
; hCounter : PDH_HCOUNTER -> "sptr"
; pTimeBase : LONGLONG* out -> "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。

; DWORD PdhGetCounterTimeBase(PDH_HCOUNTER hCounter, LONGLONG* pTimeBase)
#uselib "pdh.dll"
#cfunc global PdhGetCounterTimeBase "PdhGetCounterTimeBase" intptr, var
; res = PdhGetCounterTimeBase(hCounter, pTimeBase)
; hCounter : PDH_HCOUNTER -> "intptr"
; pTimeBase : LONGLONG* out -> "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。

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

var (
	pdh = windows.NewLazySystemDLL("pdh.dll")
	procPdhGetCounterTimeBase = pdh.NewProc("PdhGetCounterTimeBase")
)

// hCounter (PDH_HCOUNTER), pTimeBase (LONGLONG* out)
r1, _, err := procPdhGetCounterTimeBase.Call(
	uintptr(hCounter),
	uintptr(pTimeBase),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PdhGetCounterTimeBase(
  hCounter: THandle;   // PDH_HCOUNTER
  pTimeBase: Pointer   // LONGLONG* out
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhGetCounterTimeBase';

result := DllCall("pdh\PdhGetCounterTimeBase"
    , "Ptr", hCounter   ; PDH_HCOUNTER
    , "Ptr", pTimeBase   ; LONGLONG* out
    , "UInt")   ; return: DWORD

●PdhGetCounterTimeBase(hCounter, pTimeBase) = DLL("pdh.dll", "dword PdhGetCounterTimeBase(void*, void*)")
# 呼び出し: PdhGetCounterTimeBase(hCounter, pTimeBase)
# hCounter : PDH_HCOUNTER -> "void*"
# pTimeBase : LONGLONG* out -> "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)。