ホーム › System.Diagnostics.Etw › QueryTraceW
QueryTraceW
関数イベントトレースセッションの現在のプロパティを照会する(Unicode版)。
シグネチャ
// ADVAPI32.dll (Unicode / -W)
#include <windows.h>
WIN32_ERROR QueryTraceW(
ULONGLONG TraceId,
LPCWSTR InstanceName, // optional
EVENT_TRACE_PROPERTIES* Properties
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| TraceId | ULONGLONG | in |
| InstanceName | LPCWSTR | inoptional |
| Properties | EVENT_TRACE_PROPERTIES* | inout |
戻り値の型: WIN32_ERROR
各言語での呼び出し定義
// ADVAPI32.dll (Unicode / -W)
#include <windows.h>
WIN32_ERROR QueryTraceW(
ULONGLONG TraceId,
LPCWSTR InstanceName, // optional
EVENT_TRACE_PROPERTIES* Properties
);[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern uint QueryTraceW(
ulong TraceId, // ULONGLONG
[MarshalAs(UnmanagedType.LPWStr)] string InstanceName, // LPCWSTR optional
IntPtr Properties // EVENT_TRACE_PROPERTIES* in/out
);<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function QueryTraceW(
TraceId As ULong, ' ULONGLONG
<MarshalAs(UnmanagedType.LPWStr)> InstanceName As String, ' LPCWSTR optional
Properties As IntPtr ' EVENT_TRACE_PROPERTIES* in/out
) As UInteger
End Function' TraceId : ULONGLONG
' InstanceName : LPCWSTR optional
' Properties : EVENT_TRACE_PROPERTIES* in/out
Declare PtrSafe Function QueryTraceW Lib "advapi32" ( _
ByVal TraceId As LongLong, _
ByVal InstanceName As LongPtr, _
ByVal Properties 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
QueryTraceW = ctypes.windll.advapi32.QueryTraceW
QueryTraceW.restype = wintypes.DWORD
QueryTraceW.argtypes = [
ctypes.c_ulonglong, # TraceId : ULONGLONG
wintypes.LPCWSTR, # InstanceName : LPCWSTR optional
ctypes.c_void_p, # Properties : EVENT_TRACE_PROPERTIES* in/out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ADVAPI32.dll')
QueryTraceW = Fiddle::Function.new(
lib['QueryTraceW'],
[
-Fiddle::TYPE_LONG_LONG, # TraceId : ULONGLONG
Fiddle::TYPE_VOIDP, # InstanceName : LPCWSTR optional
Fiddle::TYPE_VOIDP, # Properties : EVENT_TRACE_PROPERTIES* in/out
],
-Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "advapi32")]
extern "system" {
fn QueryTraceW(
TraceId: u64, // ULONGLONG
InstanceName: *const u16, // LPCWSTR optional
Properties: *mut EVENT_TRACE_PROPERTIES // EVENT_TRACE_PROPERTIES* in/out
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode)]
public static extern uint QueryTraceW(ulong TraceId, [MarshalAs(UnmanagedType.LPWStr)] string InstanceName, IntPtr Properties);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_QueryTraceW' -Namespace Win32 -PassThru
# $api::QueryTraceW(TraceId, InstanceName, Properties)#uselib "ADVAPI32.dll"
#func global QueryTraceW "QueryTraceW" wptr, wptr, wptr
; QueryTraceW TraceId, InstanceName, varptr(Properties) ; 戻り値は stat
; TraceId : ULONGLONG -> "wptr"
; InstanceName : LPCWSTR optional -> "wptr"
; Properties : EVENT_TRACE_PROPERTIES* in/out -> "wptr"
; ※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。出力引数:
#uselib "ADVAPI32.dll" #cfunc global QueryTraceW "QueryTraceW" int64, wstr, var ; res = QueryTraceW(TraceId, InstanceName, Properties) ; TraceId : ULONGLONG -> "int64" ; InstanceName : LPCWSTR optional -> "wstr" ; Properties : EVENT_TRACE_PROPERTIES* in/out -> "var" ; ※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。 ; ※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)。#uselib "ADVAPI32.dll" #cfunc global QueryTraceW "QueryTraceW" int64, wstr, sptr ; res = QueryTraceW(TraceId, InstanceName, varptr(Properties)) ; TraceId : ULONGLONG -> "int64" ; InstanceName : LPCWSTR optional -> "wstr" ; Properties : EVENT_TRACE_PROPERTIES* in/out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。 ; ※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)。
出力引数:
; WIN32_ERROR QueryTraceW(ULONGLONG TraceId, LPCWSTR InstanceName, EVENT_TRACE_PROPERTIES* Properties) #uselib "ADVAPI32.dll" #cfunc global QueryTraceW "QueryTraceW" int64, wstr, var ; res = QueryTraceW(TraceId, InstanceName, Properties) ; TraceId : ULONGLONG -> "int64" ; InstanceName : LPCWSTR optional -> "wstr" ; Properties : EVENT_TRACE_PROPERTIES* in/out -> "var" ; ※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。; WIN32_ERROR QueryTraceW(ULONGLONG TraceId, LPCWSTR InstanceName, EVENT_TRACE_PROPERTIES* Properties) #uselib "ADVAPI32.dll" #cfunc global QueryTraceW "QueryTraceW" int64, wstr, intptr ; res = QueryTraceW(TraceId, InstanceName, varptr(Properties)) ; TraceId : ULONGLONG -> "int64" ; InstanceName : LPCWSTR optional -> "wstr" ; Properties : EVENT_TRACE_PROPERTIES* in/out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
procQueryTraceW = advapi32.NewProc("QueryTraceW")
)
// TraceId (ULONGLONG), InstanceName (LPCWSTR optional), Properties (EVENT_TRACE_PROPERTIES* in/out)
r1, _, err := procQueryTraceW.Call(
uintptr(TraceId),
uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(InstanceName))),
uintptr(Properties),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // WIN32_ERRORfunction QueryTraceW(
TraceId: UInt64; // ULONGLONG
InstanceName: PWideChar; // LPCWSTR optional
Properties: Pointer // EVENT_TRACE_PROPERTIES* in/out
): DWORD; stdcall;
external 'ADVAPI32.dll' name 'QueryTraceW';result := DllCall("ADVAPI32\QueryTraceW"
, "Int64", TraceId ; ULONGLONG
, "WStr", InstanceName ; LPCWSTR optional
, "Ptr", Properties ; EVENT_TRACE_PROPERTIES* in/out
, "UInt") ; return: WIN32_ERROR●QueryTraceW(TraceId, InstanceName, Properties) = DLL("ADVAPI32.dll", "dword QueryTraceW(qword, char*, void*)")
# 呼び出し: QueryTraceW(TraceId, InstanceName, Properties)
# TraceId : ULONGLONG -> "qword"
# InstanceName : LPCWSTR optional -> "char*"
# Properties : EVENT_TRACE_PROPERTIES* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。