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

StartTraceW

関数
指定したプロパティでイベントトレースセッションを開始する(Unicode版)。
DLLADVAPI32.dll文字セットUnicode (-W)呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// ADVAPI32.dll  (Unicode / -W)
#include <windows.h>

WIN32_ERROR StartTraceW(
    ULONGLONG* TraceId,
    LPCWSTR InstanceName,
    EVENT_TRACE_PROPERTIES* Properties
);

パラメーター

名前方向
TraceIdULONGLONG*out
InstanceNameLPCWSTRin
PropertiesEVENT_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 StartTraceW(
    ULONGLONG* TraceId,
    LPCWSTR InstanceName,
    EVENT_TRACE_PROPERTIES* Properties
);
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern uint StartTraceW(
    out ulong TraceId,   // ULONGLONG* out
    [MarshalAs(UnmanagedType.LPWStr)] string InstanceName,   // LPCWSTR
    IntPtr Properties   // EVENT_TRACE_PROPERTIES* in/out
);
<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function StartTraceW(
    <Out> ByRef TraceId As ULong,   ' ULONGLONG* out
    <MarshalAs(UnmanagedType.LPWStr)> InstanceName As String,   ' LPCWSTR
    Properties As IntPtr   ' EVENT_TRACE_PROPERTIES* in/out
) As UInteger
End Function
' TraceId : ULONGLONG* out
' InstanceName : LPCWSTR
' Properties : EVENT_TRACE_PROPERTIES* in/out
Declare PtrSafe Function StartTraceW Lib "advapi32" ( _
    ByRef 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

StartTraceW = ctypes.windll.advapi32.StartTraceW
StartTraceW.restype = wintypes.DWORD
StartTraceW.argtypes = [
    ctypes.POINTER(ctypes.c_ulonglong),  # TraceId : ULONGLONG* out
    wintypes.LPCWSTR,  # InstanceName : LPCWSTR
    ctypes.c_void_p,  # Properties : EVENT_TRACE_PROPERTIES* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
StartTraceW = Fiddle::Function.new(
  lib['StartTraceW'],
  [
    Fiddle::TYPE_VOIDP,  # TraceId : ULONGLONG* out
    Fiddle::TYPE_VOIDP,  # InstanceName : LPCWSTR
    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 StartTraceW(
        TraceId: *mut u64,  // ULONGLONG* out
        InstanceName: *const u16,  // LPCWSTR
        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 StartTraceW(out ulong TraceId, [MarshalAs(UnmanagedType.LPWStr)] string InstanceName, IntPtr Properties);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_StartTraceW' -Namespace Win32 -PassThru
# $api::StartTraceW(TraceId, InstanceName, Properties)
#uselib "ADVAPI32.dll"
#func global StartTraceW "StartTraceW" wptr, wptr, wptr
; StartTraceW varptr(TraceId), InstanceName, varptr(Properties)   ; 戻り値は stat
; TraceId : ULONGLONG* out -> "wptr"
; InstanceName : LPCWSTR -> "wptr"
; Properties : EVENT_TRACE_PROPERTIES* in/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。
出力引数:
#uselib "ADVAPI32.dll"
#cfunc global StartTraceW "StartTraceW" var, wstr, var
; res = StartTraceW(TraceId, InstanceName, Properties)
; TraceId : ULONGLONG* out -> "var"
; InstanceName : LPCWSTR -> "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。
出力引数:
; WIN32_ERROR StartTraceW(ULONGLONG* TraceId, LPCWSTR InstanceName, EVENT_TRACE_PROPERTIES* Properties)
#uselib "ADVAPI32.dll"
#cfunc global StartTraceW "StartTraceW" var, wstr, var
; res = StartTraceW(TraceId, InstanceName, Properties)
; TraceId : ULONGLONG* out -> "var"
; InstanceName : LPCWSTR -> "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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procStartTraceW = advapi32.NewProc("StartTraceW")
)

// TraceId (ULONGLONG* out), InstanceName (LPCWSTR), Properties (EVENT_TRACE_PROPERTIES* in/out)
r1, _, err := procStartTraceW.Call(
	uintptr(TraceId),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(InstanceName))),
	uintptr(Properties),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR
function StartTraceW(
  TraceId: Pointer;   // ULONGLONG* out
  InstanceName: PWideChar;   // LPCWSTR
  Properties: Pointer   // EVENT_TRACE_PROPERTIES* in/out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'StartTraceW';
result := DllCall("ADVAPI32\StartTraceW"
    , "Ptr", TraceId   ; ULONGLONG* out
    , "WStr", InstanceName   ; LPCWSTR
    , "Ptr", Properties   ; EVENT_TRACE_PROPERTIES* in/out
    , "UInt")   ; return: WIN32_ERROR
●StartTraceW(TraceId, InstanceName, Properties) = DLL("ADVAPI32.dll", "dword StartTraceW(void*, char*, void*)")
# 呼び出し: StartTraceW(TraceId, InstanceName, Properties)
# TraceId : ULONGLONG* out -> "void*"
# InstanceName : LPCWSTR -> "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。