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EvtCreateRenderContext

関数

イベントレンダリング用のコンテキストを作成する。

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>

EVT_HANDLE EvtCreateRenderContext(
    DWORD ValuePathsCount,
    LPCWSTR* ValuePaths,   // optional
    DWORD Flags
);

パラメーター

名前	型	方向
ValuePathsCount	DWORD	in
ValuePaths	LPCWSTR*	inoptional
Flags	DWORD	in

戻り値の型: EVT_HANDLE

各言語での呼び出し定義

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

EVT_HANDLE EvtCreateRenderContext(
    DWORD ValuePathsCount,
    LPCWSTR* ValuePaths,   // optional
    DWORD Flags
);

[DllImport("wevtapi.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr EvtCreateRenderContext(
    uint ValuePathsCount,   // DWORD
    IntPtr ValuePaths,   // LPCWSTR* optional
    uint Flags   // DWORD
);

<DllImport("wevtapi.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EvtCreateRenderContext(
    ValuePathsCount As UInteger,   ' DWORD
    ValuePaths As IntPtr,   ' LPCWSTR* optional
    Flags As UInteger   ' DWORD
) As IntPtr
End Function

' ValuePathsCount : DWORD
' ValuePaths : LPCWSTR* optional
' Flags : DWORD
Declare PtrSafe Function EvtCreateRenderContext Lib "wevtapi" ( _
    ByVal ValuePathsCount As Long, _
    ByVal ValuePaths As LongPtr, _
    ByVal Flags As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EvtCreateRenderContext = ctypes.windll.wevtapi.EvtCreateRenderContext
EvtCreateRenderContext.restype = ctypes.c_ssize_t
EvtCreateRenderContext.argtypes = [
    wintypes.DWORD,  # ValuePathsCount : DWORD
    ctypes.c_void_p,  # ValuePaths : LPCWSTR* 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')
EvtCreateRenderContext = Fiddle::Function.new(
  lib['EvtCreateRenderContext'],
  [
    -Fiddle::TYPE_INT,  # ValuePathsCount : DWORD
    Fiddle::TYPE_VOIDP,  # ValuePaths : LPCWSTR* optional
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "wevtapi")]
extern "system" {
    fn EvtCreateRenderContext(
        ValuePathsCount: u32,  // DWORD
        ValuePaths: *const *const u16,  // LPCWSTR* optional
        Flags: u32  // DWORD
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wevtapi.dll", SetLastError = true)]
public static extern IntPtr EvtCreateRenderContext(uint ValuePathsCount, IntPtr ValuePaths, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wevtapi_EvtCreateRenderContext' -Namespace Win32 -PassThru
# $api::EvtCreateRenderContext(ValuePathsCount, ValuePaths, Flags)

#uselib "wevtapi.dll"
#func global EvtCreateRenderContext "EvtCreateRenderContext" sptr, sptr, sptr
; EvtCreateRenderContext ValuePathsCount, varptr(ValuePaths), Flags   ; 戻り値は stat
; ValuePathsCount : DWORD -> "sptr"
; ValuePaths : LPCWSTR* optional -> "sptr"
; Flags : DWORD -> "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 EvtCreateRenderContext "EvtCreateRenderContext" int, var, int
; res = EvtCreateRenderContext(ValuePathsCount, ValuePaths, Flags)
; ValuePathsCount : DWORD -> "int"
; ValuePaths : LPCWSTR* optional -> "var"
; Flags : DWORD -> "int"
; ※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 EvtCreateRenderContext "EvtCreateRenderContext" int, sptr, int
; res = EvtCreateRenderContext(ValuePathsCount, varptr(ValuePaths), Flags)
; ValuePathsCount : DWORD -> "int"
; ValuePaths : LPCWSTR* optional -> "sptr"
; Flags : DWORD -> "int"
; ※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:

; EVT_HANDLE EvtCreateRenderContext(DWORD ValuePathsCount, LPCWSTR* ValuePaths, DWORD Flags)
#uselib "wevtapi.dll"
#cfunc global EvtCreateRenderContext "EvtCreateRenderContext" int, var, int
; res = EvtCreateRenderContext(ValuePathsCount, ValuePaths, Flags)
; ValuePathsCount : DWORD -> "int"
; ValuePaths : LPCWSTR* optional -> "var"
; Flags : DWORD -> "int"
; ※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。; EVT_HANDLE EvtCreateRenderContext(DWORD ValuePathsCount, LPCWSTR* ValuePaths, DWORD Flags)
#uselib "wevtapi.dll"
#cfunc global EvtCreateRenderContext "EvtCreateRenderContext" int, intptr, int
; res = EvtCreateRenderContext(ValuePathsCount, varptr(ValuePaths), Flags)
; ValuePathsCount : DWORD -> "int"
; ValuePaths : LPCWSTR* optional -> "intptr"
; Flags : DWORD -> "int"
; ※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")
	procEvtCreateRenderContext = wevtapi.NewProc("EvtCreateRenderContext")
)

// ValuePathsCount (DWORD), ValuePaths (LPCWSTR* optional), Flags (DWORD)
r1, _, err := procEvtCreateRenderContext.Call(
	uintptr(ValuePathsCount),
	uintptr(ValuePaths),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // EVT_HANDLE

function EvtCreateRenderContext(
  ValuePathsCount: DWORD;   // DWORD
  ValuePaths: PPWideChar;   // LPCWSTR* optional
  Flags: DWORD   // DWORD
): NativeInt; stdcall;
  external 'wevtapi.dll' name 'EvtCreateRenderContext';

result := DllCall("wevtapi\EvtCreateRenderContext"
    , "UInt", ValuePathsCount   ; DWORD
    , "Ptr", ValuePaths   ; LPCWSTR* optional
    , "UInt", Flags   ; DWORD
    , "Ptr")   ; return: EVT_HANDLE

●EvtCreateRenderContext(ValuePathsCount, ValuePaths, Flags) = DLL("wevtapi.dll", "int EvtCreateRenderContext(dword, void*, dword)")
# 呼び出し: EvtCreateRenderContext(ValuePathsCount, ValuePaths, Flags)
# ValuePathsCount : DWORD -> "dword"
# ValuePaths : LPCWSTR* optional -> "void*"
# 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)。