ホーム › System.ApplicationInstallationAndServicing › FindActCtxSectionStringA

FindActCtxSectionStringA

関数

文字列キーでアクティベーションコンテキスト内のセクション情報を検索する(ANSI版)。

DLLKERNEL32.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// KERNEL32.dll  (ANSI / -A)
#include <windows.h>

BOOL FindActCtxSectionStringA(
    DWORD dwFlags,
    const GUID* lpExtensionGuid,   // optional
    DWORD ulSectionId,
    LPCSTR lpStringToFind,
    ACTCTX_SECTION_KEYED_DATA* ReturnedData
);

パラメーター

名前	型	方向
dwFlags	DWORD	in
lpExtensionGuid	GUID*	optional
ulSectionId	DWORD	in
lpStringToFind	LPCSTR	in
ReturnedData	ACTCTX_SECTION_KEYED_DATA*	out

戻り値の型: BOOL

各言語での呼び出し定義

// KERNEL32.dll  (ANSI / -A)
#include <windows.h>

BOOL FindActCtxSectionStringA(
    DWORD dwFlags,
    const GUID* lpExtensionGuid,   // optional
    DWORD ulSectionId,
    LPCSTR lpStringToFind,
    ACTCTX_SECTION_KEYED_DATA* ReturnedData
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool FindActCtxSectionStringA(
    uint dwFlags,   // DWORD
    IntPtr lpExtensionGuid,   // GUID* optional
    uint ulSectionId,   // DWORD
    [MarshalAs(UnmanagedType.LPStr)] string lpStringToFind,   // LPCSTR
    IntPtr ReturnedData   // ACTCTX_SECTION_KEYED_DATA* out
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FindActCtxSectionStringA(
    dwFlags As UInteger,   ' DWORD
    lpExtensionGuid As IntPtr,   ' GUID* optional
    ulSectionId As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> lpStringToFind As String,   ' LPCSTR
    ReturnedData As IntPtr   ' ACTCTX_SECTION_KEYED_DATA* out
) As Boolean
End Function

' dwFlags : DWORD
' lpExtensionGuid : GUID* optional
' ulSectionId : DWORD
' lpStringToFind : LPCSTR
' ReturnedData : ACTCTX_SECTION_KEYED_DATA* out
Declare PtrSafe Function FindActCtxSectionStringA Lib "kernel32" ( _
    ByVal dwFlags As Long, _
    ByVal lpExtensionGuid As LongPtr, _
    ByVal ulSectionId As Long, _
    ByVal lpStringToFind As String, _
    ByVal ReturnedData As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

FindActCtxSectionStringA = ctypes.windll.kernel32.FindActCtxSectionStringA
FindActCtxSectionStringA.restype = wintypes.BOOL
FindActCtxSectionStringA.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # lpExtensionGuid : GUID* optional
    wintypes.DWORD,  # ulSectionId : DWORD
    wintypes.LPCSTR,  # lpStringToFind : LPCSTR
    ctypes.c_void_p,  # ReturnedData : ACTCTX_SECTION_KEYED_DATA* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
FindActCtxSectionStringA = Fiddle::Function.new(
  lib['FindActCtxSectionStringA'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpExtensionGuid : GUID* optional
    -Fiddle::TYPE_INT,  # ulSectionId : DWORD
    Fiddle::TYPE_VOIDP,  # lpStringToFind : LPCSTR
    Fiddle::TYPE_VOIDP,  # ReturnedData : ACTCTX_SECTION_KEYED_DATA* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn FindActCtxSectionStringA(
        dwFlags: u32,  // DWORD
        lpExtensionGuid: *const GUID,  // GUID* optional
        ulSectionId: u32,  // DWORD
        lpStringToFind: *const u8,  // LPCSTR
        ReturnedData: *mut ACTCTX_SECTION_KEYED_DATA  // ACTCTX_SECTION_KEYED_DATA* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool FindActCtxSectionStringA(uint dwFlags, IntPtr lpExtensionGuid, uint ulSectionId, [MarshalAs(UnmanagedType.LPStr)] string lpStringToFind, IntPtr ReturnedData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_FindActCtxSectionStringA' -Namespace Win32 -PassThru
# $api::FindActCtxSectionStringA(dwFlags, lpExtensionGuid, ulSectionId, lpStringToFind, ReturnedData)

#uselib "KERNEL32.dll"
#func global FindActCtxSectionStringA "FindActCtxSectionStringA" sptr, sptr, sptr, sptr, sptr
; FindActCtxSectionStringA dwFlags, varptr(lpExtensionGuid), ulSectionId, lpStringToFind, varptr(ReturnedData)   ; 戻り値は stat
; dwFlags : DWORD -> "sptr"
; lpExtensionGuid : GUID* optional -> "sptr"
; ulSectionId : DWORD -> "sptr"
; lpStringToFind : LPCSTR -> "sptr"
; ReturnedData : ACTCTX_SECTION_KEYED_DATA* 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 "KERNEL32.dll"
#cfunc global FindActCtxSectionStringA "FindActCtxSectionStringA" int, var, int, str, var
; res = FindActCtxSectionStringA(dwFlags, lpExtensionGuid, ulSectionId, lpStringToFind, ReturnedData)
; dwFlags : DWORD -> "int"
; lpExtensionGuid : GUID* optional -> "var"
; ulSectionId : DWORD -> "int"
; lpStringToFind : LPCSTR -> "str"
; ReturnedData : ACTCTX_SECTION_KEYED_DATA* 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 "KERNEL32.dll"
#cfunc global FindActCtxSectionStringA "FindActCtxSectionStringA" int, sptr, int, str, sptr
; res = FindActCtxSectionStringA(dwFlags, varptr(lpExtensionGuid), ulSectionId, lpStringToFind, varptr(ReturnedData))
; dwFlags : DWORD -> "int"
; lpExtensionGuid : GUID* optional -> "sptr"
; ulSectionId : DWORD -> "int"
; lpStringToFind : LPCSTR -> "str"
; ReturnedData : ACTCTX_SECTION_KEYED_DATA* 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:

; BOOL FindActCtxSectionStringA(DWORD dwFlags, GUID* lpExtensionGuid, DWORD ulSectionId, LPCSTR lpStringToFind, ACTCTX_SECTION_KEYED_DATA* ReturnedData)
#uselib "KERNEL32.dll"
#cfunc global FindActCtxSectionStringA "FindActCtxSectionStringA" int, var, int, str, var
; res = FindActCtxSectionStringA(dwFlags, lpExtensionGuid, ulSectionId, lpStringToFind, ReturnedData)
; dwFlags : DWORD -> "int"
; lpExtensionGuid : GUID* optional -> "var"
; ulSectionId : DWORD -> "int"
; lpStringToFind : LPCSTR -> "str"
; ReturnedData : ACTCTX_SECTION_KEYED_DATA* 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。; BOOL FindActCtxSectionStringA(DWORD dwFlags, GUID* lpExtensionGuid, DWORD ulSectionId, LPCSTR lpStringToFind, ACTCTX_SECTION_KEYED_DATA* ReturnedData)
#uselib "KERNEL32.dll"
#cfunc global FindActCtxSectionStringA "FindActCtxSectionStringA" int, intptr, int, str, intptr
; res = FindActCtxSectionStringA(dwFlags, varptr(lpExtensionGuid), ulSectionId, lpStringToFind, varptr(ReturnedData))
; dwFlags : DWORD -> "int"
; lpExtensionGuid : GUID* optional -> "intptr"
; ulSectionId : DWORD -> "int"
; lpStringToFind : LPCSTR -> "str"
; ReturnedData : ACTCTX_SECTION_KEYED_DATA* 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procFindActCtxSectionStringA = kernel32.NewProc("FindActCtxSectionStringA")
)

// dwFlags (DWORD), lpExtensionGuid (GUID* optional), ulSectionId (DWORD), lpStringToFind (LPCSTR), ReturnedData (ACTCTX_SECTION_KEYED_DATA* out)
r1, _, err := procFindActCtxSectionStringA.Call(
	uintptr(dwFlags),
	uintptr(lpExtensionGuid),
	uintptr(ulSectionId),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpStringToFind))),
	uintptr(ReturnedData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FindActCtxSectionStringA(
  dwFlags: DWORD;   // DWORD
  lpExtensionGuid: PGUID;   // GUID* optional
  ulSectionId: DWORD;   // DWORD
  lpStringToFind: PAnsiChar;   // LPCSTR
  ReturnedData: Pointer   // ACTCTX_SECTION_KEYED_DATA* out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'FindActCtxSectionStringA';

result := DllCall("KERNEL32\FindActCtxSectionStringA"
    , "UInt", dwFlags   ; DWORD
    , "Ptr", lpExtensionGuid   ; GUID* optional
    , "UInt", ulSectionId   ; DWORD
    , "AStr", lpStringToFind   ; LPCSTR
    , "Ptr", ReturnedData   ; ACTCTX_SECTION_KEYED_DATA* out
    , "Int")   ; return: BOOL

●FindActCtxSectionStringA(dwFlags, lpExtensionGuid, ulSectionId, lpStringToFind, ReturnedData) = DLL("KERNEL32.dll", "bool FindActCtxSectionStringA(dword, void*, dword, char*, void*)")
# 呼び出し: FindActCtxSectionStringA(dwFlags, lpExtensionGuid, ulSectionId, lpStringToFind, ReturnedData)
# dwFlags : DWORD -> "dword"
# lpExtensionGuid : GUID* optional -> "void*"
# ulSectionId : DWORD -> "dword"
# lpStringToFind : LPCSTR -> "char*"
# ReturnedData : ACTCTX_SECTION_KEYED_DATA* 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)。