PdhAddCounterW

// pdh.dll  (Unicode / -W)
#include <windows.h>

DWORD PdhAddCounterW(
    PDH_HQUERY hQuery,
    LPCWSTR szFullCounterPath,
    UINT_PTR dwUserData,
    PDH_HCOUNTER* phCounter
);

<DllImport("pdh.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function PdhAddCounterW(
    hQuery As IntPtr,   ' PDH_HQUERY
    <MarshalAs(UnmanagedType.LPWStr)> szFullCounterPath As String,   ' LPCWSTR
    dwUserData As UIntPtr,   ' UINT_PTR
    phCounter As IntPtr   ' PDH_HCOUNTER* out
) As UInteger
End Function

' hQuery : PDH_HQUERY
' szFullCounterPath : LPCWSTR
' dwUserData : UINT_PTR
' phCounter : PDH_HCOUNTER* out
Declare PtrSafe Function PdhAddCounterW Lib "pdh" ( _
    ByVal hQuery As LongPtr, _
    ByVal szFullCounterPath As LongPtr, _
    ByVal dwUserData As LongPtr, _
    ByVal phCounter As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PdhAddCounterW = ctypes.windll.pdh.PdhAddCounterW
PdhAddCounterW.restype = wintypes.DWORD
PdhAddCounterW.argtypes = [
    wintypes.HANDLE,  # hQuery : PDH_HQUERY
    wintypes.LPCWSTR,  # szFullCounterPath : LPCWSTR
    ctypes.c_size_t,  # dwUserData : UINT_PTR
    ctypes.c_void_p,  # phCounter : PDH_HCOUNTER* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('pdh.dll')
PdhAddCounterW = Fiddle::Function.new(
  lib['PdhAddCounterW'],
  [
    Fiddle::TYPE_VOIDP,  # hQuery : PDH_HQUERY
    Fiddle::TYPE_VOIDP,  # szFullCounterPath : LPCWSTR
    Fiddle::TYPE_UINTPTR_T,  # dwUserData : UINT_PTR
    Fiddle::TYPE_VOIDP,  # phCounter : PDH_HCOUNTER* out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "pdh")]
extern "system" {
    fn PdhAddCounterW(
        hQuery: *mut core::ffi::c_void,  // PDH_HQUERY
        szFullCounterPath: *const u16,  // LPCWSTR
        dwUserData: usize,  // UINT_PTR
        phCounter: *mut *mut core::ffi::c_void  // PDH_HCOUNTER* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("pdh.dll", CharSet = CharSet.Unicode)]
public static extern uint PdhAddCounterW(IntPtr hQuery, [MarshalAs(UnmanagedType.LPWStr)] string szFullCounterPath, UIntPtr dwUserData, IntPtr phCounter);
"@
$api = Add-Type -MemberDefinition $sig -Name 'pdh_PdhAddCounterW' -Namespace Win32 -PassThru
# $api::PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter)

#uselib "pdh.dll"
#func global PdhAddCounterW "PdhAddCounterW" wptr, wptr, wptr, wptr
; PdhAddCounterW hQuery, szFullCounterPath, dwUserData, phCounter   ; 戻り値は stat
; hQuery : PDH_HQUERY -> "wptr"
; szFullCounterPath : LPCWSTR -> "wptr"
; dwUserData : UINT_PTR -> "wptr"
; phCounter : PDH_HCOUNTER* out -> "wptr"
; ※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 PdhAddCounterW "PdhAddCounterW" sptr, wstr, sptr, sptr
; res = PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter)
; hQuery : PDH_HQUERY -> "sptr"
; szFullCounterPath : LPCWSTR -> "wstr"
; dwUserData : UINT_PTR -> "sptr"
; phCounter : PDH_HCOUNTER* out -> "sptr"

; DWORD PdhAddCounterW(PDH_HQUERY hQuery, LPCWSTR szFullCounterPath, UINT_PTR dwUserData, PDH_HCOUNTER* phCounter)
#uselib "pdh.dll"
#cfunc global PdhAddCounterW "PdhAddCounterW" intptr, wstr, intptr, intptr
; res = PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter)
; hQuery : PDH_HQUERY -> "intptr"
; szFullCounterPath : LPCWSTR -> "wstr"
; dwUserData : UINT_PTR -> "intptr"
; phCounter : PDH_HCOUNTER* out -> "intptr"

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

var (
	pdh = windows.NewLazySystemDLL("pdh.dll")
	procPdhAddCounterW = pdh.NewProc("PdhAddCounterW")
)

// hQuery (PDH_HQUERY), szFullCounterPath (LPCWSTR), dwUserData (UINT_PTR), phCounter (PDH_HCOUNTER* out)
r1, _, err := procPdhAddCounterW.Call(
	uintptr(hQuery),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szFullCounterPath))),
	uintptr(dwUserData),
	uintptr(phCounter),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PdhAddCounterW(
  hQuery: THandle;   // PDH_HQUERY
  szFullCounterPath: PWideChar;   // LPCWSTR
  dwUserData: NativeUInt;   // UINT_PTR
  phCounter: Pointer   // PDH_HCOUNTER* out
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhAddCounterW';

result := DllCall("pdh\PdhAddCounterW"
    , "Ptr", hQuery   ; PDH_HQUERY
    , "WStr", szFullCounterPath   ; LPCWSTR
    , "UPtr", dwUserData   ; UINT_PTR
    , "Ptr", phCounter   ; PDH_HCOUNTER* out
    , "UInt")   ; return: DWORD

●PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter) = DLL("pdh.dll", "dword PdhAddCounterW(void*, char*, int, void*)")
# 呼び出し: PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter)
# hQuery : PDH_HQUERY -> "void*"
# szFullCounterPath : LPCWSTR -> "char*"
# dwUserData : UINT_PTR -> "int"
# phCounter : PDH_HCOUNTER* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "pdh" fn PdhAddCounterW(
    hQuery: ?*anyopaque, // PDH_HQUERY
    szFullCounterPath: [*c]const u16, // LPCWSTR
    dwUserData: usize, // UINT_PTR
    phCounter: ?*anyopaque // PDH_HCOUNTER* out
) callconv(std.os.windows.WINAPI) u32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc PdhAddCounterW(
    hQuery: pointer,  # PDH_HQUERY
    szFullCounterPath: WideCString,  # LPCWSTR
    dwUserData: uint,  # UINT_PTR
    phCounter: pointer  # PDH_HCOUNTER* out
): uint32 {.importc: "PdhAddCounterW", stdcall, dynlib: "pdh.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "pdh");
extern(Windows)
uint PdhAddCounterW(
    void* hQuery,   // PDH_HQUERY
    const(wchar)* szFullCounterPath,   // LPCWSTR
    size_t dwUserData,   // UINT_PTR
    void* phCounter   // PDH_HCOUNTER* out
);

ccall((:PdhAddCounterW, "pdh.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Cwstring, Csize_t, Ptr{Cvoid}),
      hQuery, szFullCounterPath, dwUserData, phCounter)
# hQuery : PDH_HQUERY -> Ptr{Cvoid}
# szFullCounterPath : LPCWSTR -> Cwstring
# dwUserData : UINT_PTR -> Csize_t
# phCounter : PDH_HCOUNTER* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PdhAddCounterW(
    void* hQuery,
    const uint16_t* szFullCounterPath,
    uintptr_t dwUserData,
    void* phCounter);
]]
local pdh = ffi.load("pdh")
-- pdh.PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter)
-- hQuery : PDH_HQUERY
-- szFullCounterPath : LPCWSTR
-- dwUserData : UINT_PTR
-- phCounter : PDH_HCOUNTER* 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('pdh.dll');
const PdhAddCounterW = lib.func('__stdcall', 'PdhAddCounterW', 'uint32_t', ['void *', 'str16', 'uintptr_t', 'void *']);
// PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter)
// hQuery : PDH_HQUERY -> 'void *'
// szFullCounterPath : LPCWSTR -> 'str16'
// dwUserData : UINT_PTR -> 'uintptr_t'
// phCounter : PDH_HCOUNTER* 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", {
  PdhAddCounterW: { parameters: ["pointer", "buffer", "usize", "pointer"], result: "u32" },
});
// lib.symbols.PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter)
// hQuery : PDH_HQUERY -> "pointer"
// szFullCounterPath : LPCWSTR -> "buffer"
// dwUserData : UINT_PTR -> "usize"
// phCounter : PDH_HCOUNTER* out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 PdhAddCounterW(
    void* hQuery,
    const uint16_t* szFullCounterPath,
    size_t dwUserData,
    void* phCounter);
C, "pdh.dll");
// $ffi->PdhAddCounterW(hQuery, szFullCounterPath, dwUserData, phCounter);
// hQuery : PDH_HQUERY
// szFullCounterPath : LPCWSTR
// dwUserData : UINT_PTR
// phCounter : PDH_HCOUNTER* 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, W32APIOptions.UNICODE_OPTIONS);
    int PdhAddCounterW(
        Pointer hQuery,   // PDH_HQUERY
        WString szFullCounterPath,   // LPCWSTR
        long dwUserData,   // UINT_PTR
        Pointer phCounter   // PDH_HCOUNTER* out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("pdh")]
lib Libpdh
  fun PdhAddCounterW = PdhAddCounterW(
    hQuery : Void*,   # PDH_HQUERY
    szFullCounterPath : UInt16*,   # LPCWSTR
    dwUserData : LibC::SizeT,   # UINT_PTR
    phCounter : Void*   # PDH_HCOUNTER* 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 PdhAddCounterWNative = Uint32 Function(Pointer<Void>, Pointer<Utf16>, UintPtr, Pointer<Void>);
typedef PdhAddCounterWDart = int Function(Pointer<Void>, Pointer<Utf16>, int, Pointer<Void>);
final PdhAddCounterW = DynamicLibrary.open('pdh.dll')
    .lookupFunction<PdhAddCounterWNative, PdhAddCounterWDart>('PdhAddCounterW');
// hQuery : PDH_HQUERY -> Pointer<Void>
// szFullCounterPath : LPCWSTR -> Pointer<Utf16>
// dwUserData : UINT_PTR -> UintPtr
// phCounter : PDH_HCOUNTER* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PdhAddCounterW(
  hQuery: THandle;   // PDH_HQUERY
  szFullCounterPath: PWideChar;   // LPCWSTR
  dwUserData: NativeUInt;   // UINT_PTR
  phCounter: Pointer   // PDH_HCOUNTER* out
): DWORD; stdcall;
  external 'pdh.dll' name 'PdhAddCounterW';

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

foreign import stdcall safe "PdhAddCounterW"
  c_PdhAddCounterW :: Ptr () -> CWString -> CUIntPtr -> Ptr () -> IO Word32
-- hQuery : PDH_HQUERY -> Ptr ()
-- szFullCounterPath : LPCWSTR -> CWString
-- dwUserData : UINT_PTR -> CUIntPtr
-- phCounter : PDH_HCOUNTER* 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 pdhaddcounterw =
  foreign "PdhAddCounterW"
    ((ptr void) @-> (ptr uint16_t) @-> size_t @-> (ptr void) @-> returning uint32_t)
(* hQuery : PDH_HQUERY -> (ptr void) *)
(* szFullCounterPath : LPCWSTR -> (ptr uint16_t) *)
(* dwUserData : UINT_PTR -> size_t *)
(* phCounter : PDH_HCOUNTER* 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 ("PdhAddCounterW" pdh-add-counter-w :convention :stdcall) :uint32
  (h-query :pointer)   ; PDH_HQUERY
  (sz-full-counter-path (:string :encoding :utf-16le))   ; LPCWSTR
  (dw-user-data :uint64)   ; UINT_PTR
  (ph-counter :pointer))   ; PDH_HCOUNTER* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PdhAddCounterW = Win32::API::More->new('pdh',
    'DWORD PdhAddCounterW(HANDLE hQuery, LPCWSTR szFullCounterPath, WPARAM dwUserData, HANDLE phCounter)');
# my $ret = $PdhAddCounterW->Call($hQuery, $szFullCounterPath, $dwUserData, $phCounter);
# hQuery : PDH_HQUERY -> HANDLE
# szFullCounterPath : LPCWSTR -> LPCWSTR
# dwUserData : UINT_PTR -> WPARAM
# phCounter : PDH_HCOUNTER* out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。