Win32 API 日本語リファレンス
ホームSystem.EventLog › EvtSeek

EvtSeek

関数
結果セット内の指定位置へ移動する。
DLLwevtapi.dll呼出規約winapiSetLastErrorあり対応OSWindows Vista 以降

シグネチャ

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

BOOL EvtSeek(
    EVT_HANDLE ResultSet,
    LONGLONG Position,
    EVT_HANDLE Bookmark,   // optional
    DWORD Timeout,   // optional
    DWORD Flags
);

パラメーター

名前方向
ResultSetEVT_HANDLEin
PositionLONGLONGin
BookmarkEVT_HANDLEinoptional
TimeoutDWORDoptional
FlagsDWORDin

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL EvtSeek(
    EVT_HANDLE ResultSet,
    LONGLONG Position,
    EVT_HANDLE Bookmark,   // optional
    DWORD Timeout,   // optional
    DWORD Flags
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("wevtapi.dll", SetLastError = true, ExactSpelling = true)]
static extern bool EvtSeek(
    IntPtr ResultSet,   // EVT_HANDLE
    long Position,   // LONGLONG
    IntPtr Bookmark,   // EVT_HANDLE optional
    uint Timeout,   // DWORD optional
    uint Flags   // DWORD
);
<DllImport("wevtapi.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EvtSeek(
    ResultSet As IntPtr,   ' EVT_HANDLE
    Position As Long,   ' LONGLONG
    Bookmark As IntPtr,   ' EVT_HANDLE optional
    Timeout As UInteger,   ' DWORD optional
    Flags As UInteger   ' DWORD
) As Boolean
End Function
' ResultSet : EVT_HANDLE
' Position : LONGLONG
' Bookmark : EVT_HANDLE optional
' Timeout : DWORD optional
' Flags : DWORD
Declare PtrSafe Function EvtSeek Lib "wevtapi" ( _
    ByVal ResultSet As LongPtr, _
    ByVal Position As LongLong, _
    ByVal Bookmark As LongPtr, _
    ByVal Timeout As Long, _
    ByVal Flags 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

EvtSeek = ctypes.windll.wevtapi.EvtSeek
EvtSeek.restype = wintypes.BOOL
EvtSeek.argtypes = [
    ctypes.c_ssize_t,  # ResultSet : EVT_HANDLE
    ctypes.c_longlong,  # Position : LONGLONG
    ctypes.c_ssize_t,  # Bookmark : EVT_HANDLE optional
    wintypes.DWORD,  # Timeout : DWORD optional
    wintypes.DWORD,  # Flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wevtapi.dll')
EvtSeek = Fiddle::Function.new(
  lib['EvtSeek'],
  [
    Fiddle::TYPE_INTPTR_T,  # ResultSet : EVT_HANDLE
    Fiddle::TYPE_LONG_LONG,  # Position : LONGLONG
    Fiddle::TYPE_INTPTR_T,  # Bookmark : EVT_HANDLE optional
    -Fiddle::TYPE_INT,  # Timeout : DWORD optional
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INT)
#[link(name = "wevtapi")]
extern "system" {
    fn EvtSeek(
        ResultSet: isize,  // EVT_HANDLE
        Position: i64,  // LONGLONG
        Bookmark: isize,  // EVT_HANDLE optional
        Timeout: u32,  // DWORD optional
        Flags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("wevtapi.dll", SetLastError = true)]
public static extern bool EvtSeek(IntPtr ResultSet, long Position, IntPtr Bookmark, uint Timeout, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wevtapi_EvtSeek' -Namespace Win32 -PassThru
# $api::EvtSeek(ResultSet, Position, Bookmark, Timeout, Flags)
#uselib "wevtapi.dll"
#func global EvtSeek "EvtSeek" sptr, sptr, sptr, sptr, sptr
; EvtSeek ResultSet, Position, Bookmark, Timeout, Flags   ; 戻り値は stat
; ResultSet : EVT_HANDLE -> "sptr"
; Position : LONGLONG -> "sptr"
; Bookmark : EVT_HANDLE optional -> "sptr"
; Timeout : DWORD optional -> "sptr"
; Flags : DWORD -> "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。
#uselib "wevtapi.dll"
#cfunc global EvtSeek "EvtSeek" sptr, int64, sptr, int, int
; res = EvtSeek(ResultSet, Position, Bookmark, Timeout, Flags)
; ResultSet : EVT_HANDLE -> "sptr"
; Position : LONGLONG -> "int64"
; Bookmark : EVT_HANDLE optional -> "sptr"
; Timeout : DWORD optional -> "int"
; Flags : DWORD -> "int"
; ※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)。
; BOOL EvtSeek(EVT_HANDLE ResultSet, LONGLONG Position, EVT_HANDLE Bookmark, DWORD Timeout, DWORD Flags)
#uselib "wevtapi.dll"
#cfunc global EvtSeek "EvtSeek" intptr, int64, intptr, int, int
; res = EvtSeek(ResultSet, Position, Bookmark, Timeout, Flags)
; ResultSet : EVT_HANDLE -> "intptr"
; Position : LONGLONG -> "int64"
; Bookmark : EVT_HANDLE optional -> "intptr"
; Timeout : DWORD optional -> "int"
; Flags : DWORD -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wevtapi = windows.NewLazySystemDLL("wevtapi.dll")
	procEvtSeek = wevtapi.NewProc("EvtSeek")
)

// ResultSet (EVT_HANDLE), Position (LONGLONG), Bookmark (EVT_HANDLE optional), Timeout (DWORD optional), Flags (DWORD)
r1, _, err := procEvtSeek.Call(
	uintptr(ResultSet),
	uintptr(Position),
	uintptr(Bookmark),
	uintptr(Timeout),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function EvtSeek(
  ResultSet: NativeInt;   // EVT_HANDLE
  Position: Int64;   // LONGLONG
  Bookmark: NativeInt;   // EVT_HANDLE optional
  Timeout: DWORD;   // DWORD optional
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'wevtapi.dll' name 'EvtSeek';
result := DllCall("wevtapi\EvtSeek"
    , "Ptr", ResultSet   ; EVT_HANDLE
    , "Int64", Position   ; LONGLONG
    , "Ptr", Bookmark   ; EVT_HANDLE optional
    , "UInt", Timeout   ; DWORD optional
    , "UInt", Flags   ; DWORD
    , "Int")   ; return: BOOL
●EvtSeek(ResultSet, Position, Bookmark, Timeout, Flags) = DLL("wevtapi.dll", "bool EvtSeek(int, int64, int, dword, dword)")
# 呼び出し: EvtSeek(ResultSet, Position, Bookmark, Timeout, Flags)
# ResultSet : EVT_HANDLE -> "int"
# Position : LONGLONG -> "int64"
# Bookmark : EVT_HANDLE optional -> "int"
# Timeout : DWORD optional -> "dword"
# Flags : DWORD -> "dword"
# 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)。