DeleteFile2A

関数

フラグを指定してファイルを削除する(ANSI版)。

DLLKERNEL32.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

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

BOOL DeleteFile2A(
    LPCSTR lpFileName,
    DWORD Flags
);

パラメーター

名前	型	方向
lpFileName	LPCSTR	in
Flags	DWORD	in

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 DeleteFile2A(
    LPCSTR lpFileName,
    DWORD Flags
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern bool DeleteFile2A(
    [MarshalAs(UnmanagedType.LPStr)] string lpFileName,   // LPCSTR
    uint Flags   // DWORD
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function DeleteFile2A(
    <MarshalAs(UnmanagedType.LPStr)> lpFileName As String,   ' LPCSTR
    Flags As UInteger   ' DWORD
) As Boolean
End Function

' lpFileName : LPCSTR
' Flags : DWORD
Declare PtrSafe Function DeleteFile2A Lib "kernel32" ( _
    ByVal lpFileName As String, _
    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

DeleteFile2A = ctypes.windll.kernel32.DeleteFile2A
DeleteFile2A.restype = wintypes.BOOL
DeleteFile2A.argtypes = [
    wintypes.LPCSTR,  # lpFileName : LPCSTR
    wintypes.DWORD,  # Flags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
DeleteFile2A = Fiddle::Function.new(
  lib['DeleteFile2A'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCSTR
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn DeleteFile2A(
        lpFileName: *const u8,  // LPCSTR
        Flags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", CharSet = CharSet.Ansi)]
public static extern bool DeleteFile2A([MarshalAs(UnmanagedType.LPStr)] string lpFileName, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_DeleteFile2A' -Namespace Win32 -PassThru
# $api::DeleteFile2A(lpFileName, Flags)

#uselib "KERNEL32.dll"
#func global DeleteFile2A "DeleteFile2A" sptr, sptr
; DeleteFile2A lpFileName, Flags   ; 戻り値は stat
; lpFileName : LPCSTR -> "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。

#uselib "KERNEL32.dll"
#cfunc global DeleteFile2A "DeleteFile2A" str, int
; res = DeleteFile2A(lpFileName, Flags)
; lpFileName : LPCSTR -> "str"
; Flags : DWORD -> "int"

; BOOL DeleteFile2A(LPCSTR lpFileName, DWORD Flags)
#uselib "KERNEL32.dll"
#cfunc global DeleteFile2A "DeleteFile2A" str, int
; res = DeleteFile2A(lpFileName, Flags)
; lpFileName : LPCSTR -> "str"
; Flags : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procDeleteFile2A = kernel32.NewProc("DeleteFile2A")
)

// lpFileName (LPCSTR), Flags (DWORD)
r1, _, err := procDeleteFile2A.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpFileName))),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DeleteFile2A(
  lpFileName: PAnsiChar;   // LPCSTR
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'DeleteFile2A';

result := DllCall("KERNEL32\DeleteFile2A"
    , "AStr", lpFileName   ; LPCSTR
    , "UInt", Flags   ; DWORD
    , "Int")   ; return: BOOL

●DeleteFile2A(lpFileName, Flags) = DLL("KERNEL32.dll", "bool DeleteFile2A(char*, dword)")
# 呼び出し: DeleteFile2A(lpFileName, Flags)
# lpFileName : LPCSTR -> "char*"
# 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)。