Win32 API 日本語リファレンス
ホームSystem.Diagnostics.Etw › GetTraceEnableLevel

GetTraceEnableLevel

関数
指定トレースハンドルで有効なトレースレベルを取得する。
DLLADVAPI32.dll呼出規約winapiSetLastErrorあり対応OSWindows 2000 以降

シグネチャ

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

BYTE GetTraceEnableLevel(
    ULONGLONG TraceHandle
);

パラメーター

名前方向
TraceHandleULONGLONGin

戻り値の型: BYTE

各言語での呼び出し定義

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

BYTE GetTraceEnableLevel(
    ULONGLONG TraceHandle
);
[DllImport("ADVAPI32.dll", SetLastError = true, ExactSpelling = true)]
static extern byte GetTraceEnableLevel(
    ulong TraceHandle   // ULONGLONG
);
<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetTraceEnableLevel(
    TraceHandle As ULong   ' ULONGLONG
) As Byte
End Function
' TraceHandle : ULONGLONG
Declare PtrSafe Function GetTraceEnableLevel Lib "advapi32" ( _
    ByVal TraceHandle As LongLong) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

GetTraceEnableLevel = ctypes.windll.advapi32.GetTraceEnableLevel
GetTraceEnableLevel.restype = ctypes.c_ubyte
GetTraceEnableLevel.argtypes = [
    ctypes.c_ulonglong,  # TraceHandle : ULONGLONG
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
GetTraceEnableLevel = Fiddle::Function.new(
  lib['GetTraceEnableLevel'],
  [
    -Fiddle::TYPE_LONG_LONG,  # TraceHandle : ULONGLONG
  ],
  -Fiddle::TYPE_CHAR)
#[link(name = "advapi32")]
extern "system" {
    fn GetTraceEnableLevel(
        TraceHandle: u64  // ULONGLONG
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern byte GetTraceEnableLevel(ulong TraceHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_GetTraceEnableLevel' -Namespace Win32 -PassThru
# $api::GetTraceEnableLevel(TraceHandle)
#uselib "ADVAPI32.dll"
#func global GetTraceEnableLevel "GetTraceEnableLevel" sptr
; GetTraceEnableLevel TraceHandle   ; 戻り値は stat
; TraceHandle : ULONGLONG -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 "ADVAPI32.dll"
#cfunc global GetTraceEnableLevel "GetTraceEnableLevel" int64
; res = GetTraceEnableLevel(TraceHandle)
; TraceHandle : ULONGLONG -> "int64"
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。
; BYTE GetTraceEnableLevel(ULONGLONG TraceHandle)
#uselib "ADVAPI32.dll"
#cfunc global GetTraceEnableLevel "GetTraceEnableLevel" int64
; res = GetTraceEnableLevel(TraceHandle)
; TraceHandle : ULONGLONG -> "int64"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procGetTraceEnableLevel = advapi32.NewProc("GetTraceEnableLevel")
)

// TraceHandle (ULONGLONG)
r1, _, err := procGetTraceEnableLevel.Call(
	uintptr(TraceHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BYTE
function GetTraceEnableLevel(
  TraceHandle: UInt64   // ULONGLONG
): Byte; stdcall;
  external 'ADVAPI32.dll' name 'GetTraceEnableLevel';
result := DllCall("ADVAPI32\GetTraceEnableLevel"
    , "Int64", TraceHandle   ; ULONGLONG
    , "UChar")   ; return: BYTE
●GetTraceEnableLevel(TraceHandle) = DLL("ADVAPI32.dll", "byte GetTraceEnableLevel(qword)")
# 呼び出し: GetTraceEnableLevel(TraceHandle)
# TraceHandle : ULONGLONG -> "qword"
# 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)。