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

TdhQueryProviderFieldInformation

関数
プロバイダーの特定フィールド値に関する情報を照会する。
DLLTDH.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD TdhQueryProviderFieldInformation(
    GUID* pGuid,
    ULONGLONG EventFieldValue,
    EVENT_FIELD_TYPE EventFieldType,
    PROVIDER_FIELD_INFOARRAY* pBuffer,   // optional
    DWORD* pBufferSize
);

パラメーター

名前方向説明
pGuidGUID*inフィールド情報を問い合わせる対象プロバイダのGUID。
EventFieldValueULONGLONGin情報を取得するフィールドの値(キーワードやレベル等)。
EventFieldTypeEVENT_FIELD_TYPEin問い合わせるフィールドの種類を指定するEVENT_FIELD_TYPE。
pBufferPROVIDER_FIELD_INFOARRAY*outoptional取得したフィールド情報を受け取るPROVIDER_FIELD_INFOARRAY。
pBufferSizeDWORD*inout入力でバッファサイズ、出力で必要サイズを受け取るポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD TdhQueryProviderFieldInformation(
    GUID* pGuid,
    ULONGLONG EventFieldValue,
    EVENT_FIELD_TYPE EventFieldType,
    PROVIDER_FIELD_INFOARRAY* pBuffer,   // optional
    DWORD* pBufferSize
);
[DllImport("TDH.dll", ExactSpelling = true)]
static extern uint TdhQueryProviderFieldInformation(
    ref Guid pGuid,   // GUID*
    ulong EventFieldValue,   // ULONGLONG
    int EventFieldType,   // EVENT_FIELD_TYPE
    IntPtr pBuffer,   // PROVIDER_FIELD_INFOARRAY* optional, out
    ref uint pBufferSize   // DWORD* in/out
);
<DllImport("TDH.dll", ExactSpelling:=True)>
Public Shared Function TdhQueryProviderFieldInformation(
    ByRef pGuid As Guid,   ' GUID*
    EventFieldValue As ULong,   ' ULONGLONG
    EventFieldType As Integer,   ' EVENT_FIELD_TYPE
    pBuffer As IntPtr,   ' PROVIDER_FIELD_INFOARRAY* optional, out
    ByRef pBufferSize As UInteger   ' DWORD* in/out
) As UInteger
End Function
' pGuid : GUID*
' EventFieldValue : ULONGLONG
' EventFieldType : EVENT_FIELD_TYPE
' pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out
' pBufferSize : DWORD* in/out
Declare PtrSafe Function TdhQueryProviderFieldInformation Lib "tdh" ( _
    ByVal pGuid As LongPtr, _
    ByVal EventFieldValue As LongLong, _
    ByVal EventFieldType As Long, _
    ByVal pBuffer As LongPtr, _
    ByRef pBufferSize 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

TdhQueryProviderFieldInformation = ctypes.windll.tdh.TdhQueryProviderFieldInformation
TdhQueryProviderFieldInformation.restype = wintypes.DWORD
TdhQueryProviderFieldInformation.argtypes = [
    ctypes.c_void_p,  # pGuid : GUID*
    ctypes.c_ulonglong,  # EventFieldValue : ULONGLONG
    ctypes.c_int,  # EventFieldType : EVENT_FIELD_TYPE
    ctypes.c_void_p,  # pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pBufferSize : DWORD* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TDH.dll')
TdhQueryProviderFieldInformation = Fiddle::Function.new(
  lib['TdhQueryProviderFieldInformation'],
  [
    Fiddle::TYPE_VOIDP,  # pGuid : GUID*
    -Fiddle::TYPE_LONG_LONG,  # EventFieldValue : ULONGLONG
    Fiddle::TYPE_INT,  # EventFieldType : EVENT_FIELD_TYPE
    Fiddle::TYPE_VOIDP,  # pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out
    Fiddle::TYPE_VOIDP,  # pBufferSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "tdh")]
extern "system" {
    fn TdhQueryProviderFieldInformation(
        pGuid: *mut GUID,  // GUID*
        EventFieldValue: u64,  // ULONGLONG
        EventFieldType: i32,  // EVENT_FIELD_TYPE
        pBuffer: *mut PROVIDER_FIELD_INFOARRAY,  // PROVIDER_FIELD_INFOARRAY* optional, out
        pBufferSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("TDH.dll")]
public static extern uint TdhQueryProviderFieldInformation(ref Guid pGuid, ulong EventFieldValue, int EventFieldType, IntPtr pBuffer, ref uint pBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TDH_TdhQueryProviderFieldInformation' -Namespace Win32 -PassThru
# $api::TdhQueryProviderFieldInformation(pGuid, EventFieldValue, EventFieldType, pBuffer, pBufferSize)
#uselib "TDH.dll"
#func global TdhQueryProviderFieldInformation "TdhQueryProviderFieldInformation" sptr, sptr, sptr, sptr, sptr
; TdhQueryProviderFieldInformation varptr(pGuid), EventFieldValue, EventFieldType, varptr(pBuffer), varptr(pBufferSize)   ; 戻り値は stat
; pGuid : GUID* -> "sptr"
; EventFieldValue : ULONGLONG -> "sptr"
; EventFieldType : EVENT_FIELD_TYPE -> "sptr"
; pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out -> "sptr"
; pBufferSize : DWORD* in/out -> "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。
出力引数:
#uselib "TDH.dll"
#cfunc global TdhQueryProviderFieldInformation "TdhQueryProviderFieldInformation" var, int64, int, var, var
; res = TdhQueryProviderFieldInformation(pGuid, EventFieldValue, EventFieldType, pBuffer, pBufferSize)
; pGuid : GUID* -> "var"
; EventFieldValue : ULONGLONG -> "int64"
; EventFieldType : EVENT_FIELD_TYPE -> "int"
; pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out -> "var"
; pBufferSize : DWORD* 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)。
出力引数:
; DWORD TdhQueryProviderFieldInformation(GUID* pGuid, ULONGLONG EventFieldValue, EVENT_FIELD_TYPE EventFieldType, PROVIDER_FIELD_INFOARRAY* pBuffer, DWORD* pBufferSize)
#uselib "TDH.dll"
#cfunc global TdhQueryProviderFieldInformation "TdhQueryProviderFieldInformation" var, int64, int, var, var
; res = TdhQueryProviderFieldInformation(pGuid, EventFieldValue, EventFieldType, pBuffer, pBufferSize)
; pGuid : GUID* -> "var"
; EventFieldValue : ULONGLONG -> "int64"
; EventFieldType : EVENT_FIELD_TYPE -> "int"
; pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out -> "var"
; pBufferSize : DWORD* 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 (
	tdh = windows.NewLazySystemDLL("TDH.dll")
	procTdhQueryProviderFieldInformation = tdh.NewProc("TdhQueryProviderFieldInformation")
)

// pGuid (GUID*), EventFieldValue (ULONGLONG), EventFieldType (EVENT_FIELD_TYPE), pBuffer (PROVIDER_FIELD_INFOARRAY* optional, out), pBufferSize (DWORD* in/out)
r1, _, err := procTdhQueryProviderFieldInformation.Call(
	uintptr(pGuid),
	uintptr(EventFieldValue),
	uintptr(EventFieldType),
	uintptr(pBuffer),
	uintptr(pBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function TdhQueryProviderFieldInformation(
  pGuid: PGUID;   // GUID*
  EventFieldValue: UInt64;   // ULONGLONG
  EventFieldType: Integer;   // EVENT_FIELD_TYPE
  pBuffer: Pointer;   // PROVIDER_FIELD_INFOARRAY* optional, out
  pBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'TDH.dll' name 'TdhQueryProviderFieldInformation';
result := DllCall("TDH\TdhQueryProviderFieldInformation"
    , "Ptr", pGuid   ; GUID*
    , "Int64", EventFieldValue   ; ULONGLONG
    , "Int", EventFieldType   ; EVENT_FIELD_TYPE
    , "Ptr", pBuffer   ; PROVIDER_FIELD_INFOARRAY* optional, out
    , "Ptr", pBufferSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD
●TdhQueryProviderFieldInformation(pGuid, EventFieldValue, EventFieldType, pBuffer, pBufferSize) = DLL("TDH.dll", "dword TdhQueryProviderFieldInformation(void*, qword, int, void*, void*)")
# 呼び出し: TdhQueryProviderFieldInformation(pGuid, EventFieldValue, EventFieldType, pBuffer, pBufferSize)
# pGuid : GUID* -> "void*"
# EventFieldValue : ULONGLONG -> "qword"
# EventFieldType : EVENT_FIELD_TYPE -> "int"
# pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out -> "void*"
# pBufferSize : DWORD* 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)。