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PerfDeleteCounters

関数
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DLLADVAPI32.dll呼出規約winapi対応OSWindows 10 以降

シグネチャ

// ADVAPI32.dll
#include <windows.h>

DWORD PerfDeleteCounters(
    HANDLE hQuery,
    PERF_COUNTER_IDENTIFIER* pCounters,
    DWORD cbCounters
);

パラメーター

名前方向
hQueryHANDLEin
pCountersPERF_COUNTER_IDENTIFIER*inout
cbCountersDWORDin

戻り値の型: DWORD

各言語での呼び出し定義

// ADVAPI32.dll
#include <windows.h>

DWORD PerfDeleteCounters(
    HANDLE hQuery,
    PERF_COUNTER_IDENTIFIER* pCounters,
    DWORD cbCounters
);
[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern uint PerfDeleteCounters(
    IntPtr hQuery,   // HANDLE
    IntPtr pCounters,   // PERF_COUNTER_IDENTIFIER* in/out
    uint cbCounters   // DWORD
);
<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function PerfDeleteCounters(
    hQuery As IntPtr,   ' HANDLE
    pCounters As IntPtr,   ' PERF_COUNTER_IDENTIFIER* in/out
    cbCounters As UInteger   ' DWORD
) As UInteger
End Function
' hQuery : HANDLE
' pCounters : PERF_COUNTER_IDENTIFIER* in/out
' cbCounters : DWORD
Declare PtrSafe Function PerfDeleteCounters Lib "advapi32" ( _
    ByVal hQuery As LongPtr, _
    ByVal pCounters As LongPtr, _
    ByVal cbCounters 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

PerfDeleteCounters = ctypes.windll.advapi32.PerfDeleteCounters
PerfDeleteCounters.restype = wintypes.DWORD
PerfDeleteCounters.argtypes = [
    wintypes.HANDLE,  # hQuery : HANDLE
    ctypes.c_void_p,  # pCounters : PERF_COUNTER_IDENTIFIER* in/out
    wintypes.DWORD,  # cbCounters : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
PerfDeleteCounters = Fiddle::Function.new(
  lib['PerfDeleteCounters'],
  [
    Fiddle::TYPE_VOIDP,  # hQuery : HANDLE
    Fiddle::TYPE_VOIDP,  # pCounters : PERF_COUNTER_IDENTIFIER* in/out
    -Fiddle::TYPE_INT,  # cbCounters : DWORD
  ],
  -Fiddle::TYPE_INT)
#[link(name = "advapi32")]
extern "system" {
    fn PerfDeleteCounters(
        hQuery: *mut core::ffi::c_void,  // HANDLE
        pCounters: *mut PERF_COUNTER_IDENTIFIER,  // PERF_COUNTER_IDENTIFIER* in/out
        cbCounters: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint PerfDeleteCounters(IntPtr hQuery, IntPtr pCounters, uint cbCounters);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_PerfDeleteCounters' -Namespace Win32 -PassThru
# $api::PerfDeleteCounters(hQuery, pCounters, cbCounters)
#uselib "ADVAPI32.dll"
#func global PerfDeleteCounters "PerfDeleteCounters" sptr, sptr, sptr
; PerfDeleteCounters hQuery, varptr(pCounters), cbCounters   ; 戻り値は stat
; hQuery : HANDLE -> "sptr"
; pCounters : PERF_COUNTER_IDENTIFIER* in/out -> "sptr"
; cbCounters : DWORD -> "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。
出力引数:
#uselib "ADVAPI32.dll"
#cfunc global PerfDeleteCounters "PerfDeleteCounters" sptr, var, int
; res = PerfDeleteCounters(hQuery, pCounters, cbCounters)
; hQuery : HANDLE -> "sptr"
; pCounters : PERF_COUNTER_IDENTIFIER* in/out -> "var"
; cbCounters : DWORD -> "int"
; ※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。
出力引数:
; DWORD PerfDeleteCounters(HANDLE hQuery, PERF_COUNTER_IDENTIFIER* pCounters, DWORD cbCounters)
#uselib "ADVAPI32.dll"
#cfunc global PerfDeleteCounters "PerfDeleteCounters" intptr, var, int
; res = PerfDeleteCounters(hQuery, pCounters, cbCounters)
; hQuery : HANDLE -> "intptr"
; pCounters : PERF_COUNTER_IDENTIFIER* in/out -> "var"
; cbCounters : DWORD -> "int"
; ※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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procPerfDeleteCounters = advapi32.NewProc("PerfDeleteCounters")
)

// hQuery (HANDLE), pCounters (PERF_COUNTER_IDENTIFIER* in/out), cbCounters (DWORD)
r1, _, err := procPerfDeleteCounters.Call(
	uintptr(hQuery),
	uintptr(pCounters),
	uintptr(cbCounters),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function PerfDeleteCounters(
  hQuery: THandle;   // HANDLE
  pCounters: Pointer;   // PERF_COUNTER_IDENTIFIER* in/out
  cbCounters: DWORD   // DWORD
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'PerfDeleteCounters';
result := DllCall("ADVAPI32\PerfDeleteCounters"
    , "Ptr", hQuery   ; HANDLE
    , "Ptr", pCounters   ; PERF_COUNTER_IDENTIFIER* in/out
    , "UInt", cbCounters   ; DWORD
    , "UInt")   ; return: DWORD
●PerfDeleteCounters(hQuery, pCounters, cbCounters) = DLL("ADVAPI32.dll", "dword PerfDeleteCounters(void*, void*, dword)")
# 呼び出し: PerfDeleteCounters(hQuery, pCounters, cbCounters)
# hQuery : HANDLE -> "void*"
# pCounters : PERF_COUNTER_IDENTIFIER* in/out -> "void*"
# cbCounters : DWORD -> "dword"
# 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)。