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EvtGetExtendedStatus

関数

直近の操作の拡張エラー状態を取得する。

DLLwevtapi.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD EvtGetExtendedStatus(
    DWORD BufferSize,
    LPWSTR Buffer,   // optional
    DWORD* BufferUsed
);

パラメーター

名前	型	方向
BufferSize	DWORD	in
Buffer	LPWSTR	outoptional
BufferUsed	DWORD*	out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD EvtGetExtendedStatus(
    DWORD BufferSize,
    LPWSTR Buffer,   // optional
    DWORD* BufferUsed
);

[DllImport("wevtapi.dll", ExactSpelling = true)]
static extern uint EvtGetExtendedStatus(
    uint BufferSize,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder Buffer,   // LPWSTR optional, out
    out uint BufferUsed   // DWORD* out
);

<DllImport("wevtapi.dll", ExactSpelling:=True)>
Public Shared Function EvtGetExtendedStatus(
    BufferSize As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> Buffer As System.Text.StringBuilder,   ' LPWSTR optional, out
    <Out> ByRef BufferUsed As UInteger   ' DWORD* out
) As UInteger
End Function

' BufferSize : DWORD
' Buffer : LPWSTR optional, out
' BufferUsed : DWORD* out
Declare PtrSafe Function EvtGetExtendedStatus Lib "wevtapi" ( _
    ByVal BufferSize As Long, _
    ByVal Buffer As LongPtr, _
    ByRef BufferUsed 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

EvtGetExtendedStatus = ctypes.windll.wevtapi.EvtGetExtendedStatus
EvtGetExtendedStatus.restype = wintypes.DWORD
EvtGetExtendedStatus.argtypes = [
    wintypes.DWORD,  # BufferSize : DWORD
    wintypes.LPWSTR,  # Buffer : LPWSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # BufferUsed : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wevtapi.dll')
EvtGetExtendedStatus = Fiddle::Function.new(
  lib['EvtGetExtendedStatus'],
  [
    -Fiddle::TYPE_INT,  # BufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # Buffer : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # BufferUsed : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wevtapi")]
extern "system" {
    fn EvtGetExtendedStatus(
        BufferSize: u32,  // DWORD
        Buffer: *mut u16,  // LPWSTR optional, out
        BufferUsed: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wevtapi.dll")]
public static extern uint EvtGetExtendedStatus(uint BufferSize, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder Buffer, out uint BufferUsed);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wevtapi_EvtGetExtendedStatus' -Namespace Win32 -PassThru
# $api::EvtGetExtendedStatus(BufferSize, Buffer, BufferUsed)

#uselib "wevtapi.dll"
#func global EvtGetExtendedStatus "EvtGetExtendedStatus" sptr, sptr, sptr
; EvtGetExtendedStatus BufferSize, varptr(Buffer), varptr(BufferUsed)   ; 戻り値は stat
; BufferSize : DWORD -> "sptr"
; Buffer : LPWSTR optional, out -> "sptr"
; BufferUsed : DWORD* 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 "wevtapi.dll"
#cfunc global EvtGetExtendedStatus "EvtGetExtendedStatus" int, var, var
; res = EvtGetExtendedStatus(BufferSize, Buffer, BufferUsed)
; BufferSize : DWORD -> "int"
; Buffer : LPWSTR optional, out -> "var"
; BufferUsed : DWORD* 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 "wevtapi.dll"
#cfunc global EvtGetExtendedStatus "EvtGetExtendedStatus" int, sptr, sptr
; res = EvtGetExtendedStatus(BufferSize, varptr(Buffer), varptr(BufferUsed))
; BufferSize : DWORD -> "int"
; Buffer : LPWSTR optional, out -> "sptr"
; BufferUsed : DWORD* 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 EvtGetExtendedStatus(DWORD BufferSize, LPWSTR Buffer, DWORD* BufferUsed)
#uselib "wevtapi.dll"
#cfunc global EvtGetExtendedStatus "EvtGetExtendedStatus" int, var, var
; res = EvtGetExtendedStatus(BufferSize, Buffer, BufferUsed)
; BufferSize : DWORD -> "int"
; Buffer : LPWSTR optional, out -> "var"
; BufferUsed : DWORD* 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 EvtGetExtendedStatus(DWORD BufferSize, LPWSTR Buffer, DWORD* BufferUsed)
#uselib "wevtapi.dll"
#cfunc global EvtGetExtendedStatus "EvtGetExtendedStatus" int, intptr, intptr
; res = EvtGetExtendedStatus(BufferSize, varptr(Buffer), varptr(BufferUsed))
; BufferSize : DWORD -> "int"
; Buffer : LPWSTR optional, out -> "intptr"
; BufferUsed : DWORD* 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 (
	wevtapi = windows.NewLazySystemDLL("wevtapi.dll")
	procEvtGetExtendedStatus = wevtapi.NewProc("EvtGetExtendedStatus")
)

// BufferSize (DWORD), Buffer (LPWSTR optional, out), BufferUsed (DWORD* out)
r1, _, err := procEvtGetExtendedStatus.Call(
	uintptr(BufferSize),
	uintptr(Buffer),
	uintptr(BufferUsed),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EvtGetExtendedStatus(
  BufferSize: DWORD;   // DWORD
  Buffer: PWideChar;   // LPWSTR optional, out
  BufferUsed: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'wevtapi.dll' name 'EvtGetExtendedStatus';

result := DllCall("wevtapi\EvtGetExtendedStatus"
    , "UInt", BufferSize   ; DWORD
    , "Ptr", Buffer   ; LPWSTR optional, out
    , "Ptr", BufferUsed   ; DWORD* out
    , "UInt")   ; return: DWORD

●EvtGetExtendedStatus(BufferSize, Buffer, BufferUsed) = DLL("wevtapi.dll", "dword EvtGetExtendedStatus(dword, char*, void*)")
# 呼び出し: EvtGetExtendedStatus(BufferSize, Buffer, BufferUsed)
# BufferSize : DWORD -> "dword"
# Buffer : LPWSTR optional, out -> "char*"
# BufferUsed : DWORD* 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)。