PdhCollectQueryData

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

DWORD PdhCollectQueryData(
    PDH_HQUERY hQuery
);

<DllImport("pdh.dll", ExactSpelling:=True)>
Public Shared Function PdhCollectQueryData(
    hQuery As IntPtr   ' PDH_HQUERY in/out
) As UInteger
End Function

' hQuery : PDH_HQUERY in/out
Declare PtrSafe Function PdhCollectQueryData Lib "pdh" ( _
    ByVal hQuery 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

PdhCollectQueryData = ctypes.windll.pdh.PdhCollectQueryData
PdhCollectQueryData.restype = wintypes.DWORD
PdhCollectQueryData.argtypes = [
    wintypes.HANDLE,  # hQuery : PDH_HQUERY in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('pdh.dll')
PdhCollectQueryData = Fiddle::Function.new(
  lib['PdhCollectQueryData'],
  [
    Fiddle::TYPE_VOIDP,  # hQuery : PDH_HQUERY in/out
  ],
  -Fiddle::TYPE_INT)

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

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

#uselib "pdh.dll"
#func global PdhCollectQueryData "PdhCollectQueryData" sptr
; PdhCollectQueryData hQuery   ; 戻り値は stat
; hQuery : PDH_HQUERY in/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 PdhCollectQueryData "PdhCollectQueryData" sptr
; res = PdhCollectQueryData(hQuery)
; hQuery : PDH_HQUERY in/out -> "sptr"

; DWORD PdhCollectQueryData(PDH_HQUERY hQuery)
#uselib "pdh.dll"
#cfunc global PdhCollectQueryData "PdhCollectQueryData" intptr
; res = PdhCollectQueryData(hQuery)
; hQuery : PDH_HQUERY in/out -> "intptr"

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

var (
	pdh = windows.NewLazySystemDLL("pdh.dll")
	procPdhCollectQueryData = pdh.NewProc("PdhCollectQueryData")
)

// hQuery (PDH_HQUERY in/out)
r1, _, err := procPdhCollectQueryData.Call(
	uintptr(hQuery),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PdhCollectQueryData(
  hQuery: THandle   // PDH_HQUERY in/out
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhCollectQueryData';

result := DllCall("pdh\PdhCollectQueryData"
    , "Ptr", hQuery   ; PDH_HQUERY in/out
    , "UInt")   ; return: DWORD

●PdhCollectQueryData(hQuery) = DLL("pdh.dll", "dword PdhCollectQueryData(void*)")
# 呼び出し: PdhCollectQueryData(hQuery)
# hQuery : PDH_HQUERY in/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)。

const std = @import("std");

extern "pdh" fn PdhCollectQueryData(
    hQuery: ?*anyopaque // PDH_HQUERY in/out
) callconv(std.os.windows.WINAPI) u32;

proc PdhCollectQueryData(
    hQuery: pointer  # PDH_HQUERY in/out
): uint32 {.importc: "PdhCollectQueryData", stdcall, dynlib: "pdh.dll".}

pragma(lib, "pdh");
extern(Windows)
uint PdhCollectQueryData(
    void* hQuery   // PDH_HQUERY in/out
);

ccall((:PdhCollectQueryData, "pdh.dll"), stdcall, UInt32,
      (Ptr{Cvoid},),
      hQuery)
# hQuery : PDH_HQUERY in/out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PdhCollectQueryData(
    void* hQuery);
]]
local pdh = ffi.load("pdh")
-- pdh.PdhCollectQueryData(hQuery)
-- hQuery : PDH_HQUERY in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('pdh.dll');
const PdhCollectQueryData = lib.func('__stdcall', 'PdhCollectQueryData', 'uint32_t', ['void *']);
// PdhCollectQueryData(hQuery)
// hQuery : PDH_HQUERY in/out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("pdh.dll", {
  PdhCollectQueryData: { parameters: ["pointer"], result: "u32" },
});
// lib.symbols.PdhCollectQueryData(hQuery)
// hQuery : PDH_HQUERY in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t PdhCollectQueryData(
    void* hQuery);
C, "pdh.dll");
// $ffi->PdhCollectQueryData(hQuery);
// hQuery : PDH_HQUERY in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Pdh extends StdCallLibrary {
    Pdh INSTANCE = Native.load("pdh", Pdh.class);
    int PdhCollectQueryData(
        Pointer hQuery   // PDH_HQUERY in/out
    );
}

@[Link("pdh")]
lib Libpdh
  fun PdhCollectQueryData = PdhCollectQueryData(
    hQuery : Void*   # PDH_HQUERY in/out
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef PdhCollectQueryDataNative = Uint32 Function(Pointer<Void>);
typedef PdhCollectQueryDataDart = int Function(Pointer<Void>);
final PdhCollectQueryData = DynamicLibrary.open('pdh.dll')
    .lookupFunction<PdhCollectQueryDataNative, PdhCollectQueryDataDart>('PdhCollectQueryData');
// hQuery : PDH_HQUERY in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PdhCollectQueryData(
  hQuery: THandle   // PDH_HQUERY in/out
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhCollectQueryData';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PdhCollectQueryData"
  c_PdhCollectQueryData :: Ptr () -> IO Word32
-- hQuery : PDH_HQUERY in/out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let pdhcollectquerydata =
  foreign "PdhCollectQueryData"
    ((ptr void) @-> returning uint32_t)
(* hQuery : PDH_HQUERY in/out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library pdh (t "pdh.dll"))
(cffi:use-foreign-library pdh)

(cffi:defcfun ("PdhCollectQueryData" pdh-collect-query-data :convention :stdcall) :uint32
  (h-query :pointer))   ; PDH_HQUERY in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PdhCollectQueryData = Win32::API::More->new('pdh',
    'DWORD PdhCollectQueryData(HANDLE hQuery)');
# my $ret = $PdhCollectQueryData->Call($hQuery);
# hQuery : PDH_HQUERY in/out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。