LoadPerfCounterTextStringsW

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

DWORD LoadPerfCounterTextStringsW(
    LPWSTR lpCommandLine,
    BOOL bQuietModeArg
);

<DllImport("loadperf.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function LoadPerfCounterTextStringsW(
    <MarshalAs(UnmanagedType.LPWStr)> lpCommandLine As String,   ' LPWSTR
    bQuietModeArg As Boolean   ' BOOL
) As UInteger
End Function

' lpCommandLine : LPWSTR
' bQuietModeArg : BOOL
Declare PtrSafe Function LoadPerfCounterTextStringsW Lib "loadperf" ( _
    ByVal lpCommandLine As LongPtr, _
    ByVal bQuietModeArg As Long) 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

LoadPerfCounterTextStringsW = ctypes.windll.loadperf.LoadPerfCounterTextStringsW
LoadPerfCounterTextStringsW.restype = wintypes.DWORD
LoadPerfCounterTextStringsW.argtypes = [
    wintypes.LPCWSTR,  # lpCommandLine : LPWSTR
    wintypes.BOOL,  # bQuietModeArg : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('loadperf.dll')
LoadPerfCounterTextStringsW = Fiddle::Function.new(
  lib['LoadPerfCounterTextStringsW'],
  [
    Fiddle::TYPE_VOIDP,  # lpCommandLine : LPWSTR
    Fiddle::TYPE_INT,  # bQuietModeArg : BOOL
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "loadperf")]
extern "system" {
    fn LoadPerfCounterTextStringsW(
        lpCommandLine: *mut u16,  // LPWSTR
        bQuietModeArg: i32  // BOOL
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("loadperf.dll", CharSet = CharSet.Unicode)]
public static extern uint LoadPerfCounterTextStringsW([MarshalAs(UnmanagedType.LPWStr)] string lpCommandLine, bool bQuietModeArg);
"@
$api = Add-Type -MemberDefinition $sig -Name 'loadperf_LoadPerfCounterTextStringsW' -Namespace Win32 -PassThru
# $api::LoadPerfCounterTextStringsW(lpCommandLine, bQuietModeArg)

#uselib "loadperf.dll"
#func global LoadPerfCounterTextStringsW "LoadPerfCounterTextStringsW" wptr, wptr
; LoadPerfCounterTextStringsW lpCommandLine, bQuietModeArg   ; 戻り値は stat
; lpCommandLine : LPWSTR -> "wptr"
; bQuietModeArg : BOOL -> "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 "loadperf.dll"
#cfunc global LoadPerfCounterTextStringsW "LoadPerfCounterTextStringsW" wstr, int
; res = LoadPerfCounterTextStringsW(lpCommandLine, bQuietModeArg)
; lpCommandLine : LPWSTR -> "wstr"
; bQuietModeArg : BOOL -> "int"

; DWORD LoadPerfCounterTextStringsW(LPWSTR lpCommandLine, BOOL bQuietModeArg)
#uselib "loadperf.dll"
#cfunc global LoadPerfCounterTextStringsW "LoadPerfCounterTextStringsW" wstr, int
; res = LoadPerfCounterTextStringsW(lpCommandLine, bQuietModeArg)
; lpCommandLine : LPWSTR -> "wstr"
; bQuietModeArg : BOOL -> "int"

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

var (
	loadperf = windows.NewLazySystemDLL("loadperf.dll")
	procLoadPerfCounterTextStringsW = loadperf.NewProc("LoadPerfCounterTextStringsW")
)

// lpCommandLine (LPWSTR), bQuietModeArg (BOOL)
r1, _, err := procLoadPerfCounterTextStringsW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpCommandLine))),
	uintptr(bQuietModeArg),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function LoadPerfCounterTextStringsW(
  lpCommandLine: PWideChar;   // LPWSTR
  bQuietModeArg: BOOL   // BOOL
): DWORD; stdcall;
  external 'loadperf.dll' name 'LoadPerfCounterTextStringsW';

result := DllCall("loadperf\LoadPerfCounterTextStringsW"
    , "WStr", lpCommandLine   ; LPWSTR
    , "Int", bQuietModeArg   ; BOOL
    , "UInt")   ; return: DWORD

●LoadPerfCounterTextStringsW(lpCommandLine, bQuietModeArg) = DLL("loadperf.dll", "dword LoadPerfCounterTextStringsW(char*, bool)")
# 呼び出し: LoadPerfCounterTextStringsW(lpCommandLine, bQuietModeArg)
# lpCommandLine : LPWSTR -> "char*"
# bQuietModeArg : BOOL -> "bool"
# 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。