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TdhEnumerateProviderFieldInformation

関数

プロバイダーのフィールド情報を種別ごとに列挙する。

DLLTDH.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD TdhEnumerateProviderFieldInformation(
    GUID* pGuid,
    EVENT_FIELD_TYPE EventFieldType,
    PROVIDER_FIELD_INFOARRAY* pBuffer,   // optional
    DWORD* pBufferSize
);

パラメーター

名前	型	方向	説明
pGuid	GUID*	in	フィールドを列挙する対象プロバイダのGUID。
EventFieldType	EVENT_FIELD_TYPE	in	列挙するフィールドの種類を指定するEVENT_FIELD_TYPE。
pBuffer	PROVIDER_FIELD_INFOARRAY*	outoptional	取得したフィールド情報を受け取るPROVIDER_FIELD_INFOARRAY。
pBufferSize	DWORD*	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 TdhEnumerateProviderFieldInformation(
    GUID* pGuid,
    EVENT_FIELD_TYPE EventFieldType,
    PROVIDER_FIELD_INFOARRAY* pBuffer,   // optional
    DWORD* pBufferSize
);

[DllImport("TDH.dll", ExactSpelling = true)]
static extern uint TdhEnumerateProviderFieldInformation(
    ref Guid pGuid,   // GUID*
    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 TdhEnumerateProviderFieldInformation(
    ByRef pGuid As Guid,   ' GUID*
    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*
' EventFieldType : EVENT_FIELD_TYPE
' pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out
' pBufferSize : DWORD* in/out
Declare PtrSafe Function TdhEnumerateProviderFieldInformation Lib "tdh" ( _
    ByVal pGuid As LongPtr, _
    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

TdhEnumerateProviderFieldInformation = ctypes.windll.tdh.TdhEnumerateProviderFieldInformation
TdhEnumerateProviderFieldInformation.restype = wintypes.DWORD
TdhEnumerateProviderFieldInformation.argtypes = [
    ctypes.c_void_p,  # pGuid : GUID*
    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')
TdhEnumerateProviderFieldInformation = Fiddle::Function.new(
  lib['TdhEnumerateProviderFieldInformation'],
  [
    Fiddle::TYPE_VOIDP,  # pGuid : GUID*
    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 TdhEnumerateProviderFieldInformation(
        pGuid: *mut GUID,  // GUID*
        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 TdhEnumerateProviderFieldInformation(ref Guid pGuid, int EventFieldType, IntPtr pBuffer, ref uint pBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TDH_TdhEnumerateProviderFieldInformation' -Namespace Win32 -PassThru
# $api::TdhEnumerateProviderFieldInformation(pGuid, EventFieldType, pBuffer, pBufferSize)

#uselib "TDH.dll"
#func global TdhEnumerateProviderFieldInformation "TdhEnumerateProviderFieldInformation" sptr, sptr, sptr, sptr
; TdhEnumerateProviderFieldInformation varptr(pGuid), EventFieldType, varptr(pBuffer), varptr(pBufferSize)   ; 戻り値は stat
; pGuid : GUID* -> "sptr"
; EventFieldType : EVENT_FIELD_TYPE -> "sptr"
; pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out -> "sptr"
; pBufferSize : DWORD* in/out -> "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 "TDH.dll"
#cfunc global TdhEnumerateProviderFieldInformation "TdhEnumerateProviderFieldInformation" var, int, var, var
; res = TdhEnumerateProviderFieldInformation(pGuid, EventFieldType, pBuffer, pBufferSize)
; pGuid : GUID* -> "var"
; 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。#uselib "TDH.dll"
#cfunc global TdhEnumerateProviderFieldInformation "TdhEnumerateProviderFieldInformation" sptr, int, sptr, sptr
; res = TdhEnumerateProviderFieldInformation(varptr(pGuid), EventFieldType, varptr(pBuffer), varptr(pBufferSize))
; pGuid : GUID* -> "sptr"
; EventFieldType : EVENT_FIELD_TYPE -> "int"
; pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out -> "sptr"
; pBufferSize : DWORD* 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))。

出力引数:

; DWORD TdhEnumerateProviderFieldInformation(GUID* pGuid, EVENT_FIELD_TYPE EventFieldType, PROVIDER_FIELD_INFOARRAY* pBuffer, DWORD* pBufferSize)
#uselib "TDH.dll"
#cfunc global TdhEnumerateProviderFieldInformation "TdhEnumerateProviderFieldInformation" var, int, var, var
; res = TdhEnumerateProviderFieldInformation(pGuid, EventFieldType, pBuffer, pBufferSize)
; pGuid : GUID* -> "var"
; 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。; DWORD TdhEnumerateProviderFieldInformation(GUID* pGuid, EVENT_FIELD_TYPE EventFieldType, PROVIDER_FIELD_INFOARRAY* pBuffer, DWORD* pBufferSize)
#uselib "TDH.dll"
#cfunc global TdhEnumerateProviderFieldInformation "TdhEnumerateProviderFieldInformation" intptr, int, intptr, intptr
; res = TdhEnumerateProviderFieldInformation(varptr(pGuid), EventFieldType, varptr(pBuffer), varptr(pBufferSize))
; pGuid : GUID* -> "intptr"
; EventFieldType : EVENT_FIELD_TYPE -> "int"
; pBuffer : PROVIDER_FIELD_INFOARRAY* optional, out -> "intptr"
; pBufferSize : DWORD* 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 (
	tdh = windows.NewLazySystemDLL("TDH.dll")
	procTdhEnumerateProviderFieldInformation = tdh.NewProc("TdhEnumerateProviderFieldInformation")
)

// pGuid (GUID*), EventFieldType (EVENT_FIELD_TYPE), pBuffer (PROVIDER_FIELD_INFOARRAY* optional, out), pBufferSize (DWORD* in/out)
r1, _, err := procTdhEnumerateProviderFieldInformation.Call(
	uintptr(pGuid),
	uintptr(EventFieldType),
	uintptr(pBuffer),
	uintptr(pBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function TdhEnumerateProviderFieldInformation(
  pGuid: PGUID;   // GUID*
  EventFieldType: Integer;   // EVENT_FIELD_TYPE
  pBuffer: Pointer;   // PROVIDER_FIELD_INFOARRAY* optional, out
  pBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'TDH.dll' name 'TdhEnumerateProviderFieldInformation';

result := DllCall("TDH\TdhEnumerateProviderFieldInformation"
    , "Ptr", pGuid   ; GUID*
    , "Int", EventFieldType   ; EVENT_FIELD_TYPE
    , "Ptr", pBuffer   ; PROVIDER_FIELD_INFOARRAY* optional, out
    , "Ptr", pBufferSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●TdhEnumerateProviderFieldInformation(pGuid, EventFieldType, pBuffer, pBufferSize) = DLL("TDH.dll", "dword TdhEnumerateProviderFieldInformation(void*, int, void*, void*)")
# 呼び出し: TdhEnumerateProviderFieldInformation(pGuid, EventFieldType, pBuffer, pBufferSize)
# pGuid : GUID* -> "void*"
# 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)。