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ADsPropCheckIfWritable

関数

指定属性が書き込み可能かどうかを確認する。

DLLdsprop.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

BOOL ADsPropCheckIfWritable(
    LPCWSTR pwzAttr,
    const ADS_ATTR_INFO* pWritableAttrs
);

パラメーター

名前	型	方向
pwzAttr	LPCWSTR	in
pWritableAttrs	ADS_ATTR_INFO*	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL ADsPropCheckIfWritable(
    LPCWSTR pwzAttr,
    const ADS_ATTR_INFO* pWritableAttrs
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dsprop.dll", ExactSpelling = true)]
static extern bool ADsPropCheckIfWritable(
    [MarshalAs(UnmanagedType.LPWStr)] string pwzAttr,   // LPCWSTR
    IntPtr pWritableAttrs   // ADS_ATTR_INFO*
);

<DllImport("dsprop.dll", ExactSpelling:=True)>
Public Shared Function ADsPropCheckIfWritable(
    <MarshalAs(UnmanagedType.LPWStr)> pwzAttr As String,   ' LPCWSTR
    pWritableAttrs As IntPtr   ' ADS_ATTR_INFO*
) As Boolean
End Function

' pwzAttr : LPCWSTR
' pWritableAttrs : ADS_ATTR_INFO*
Declare PtrSafe Function ADsPropCheckIfWritable Lib "dsprop" ( _
    ByVal pwzAttr As LongPtr, _
    ByVal pWritableAttrs 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

ADsPropCheckIfWritable = ctypes.windll.dsprop.ADsPropCheckIfWritable
ADsPropCheckIfWritable.restype = wintypes.BOOL
ADsPropCheckIfWritable.argtypes = [
    wintypes.LPCWSTR,  # pwzAttr : LPCWSTR
    ctypes.c_void_p,  # pWritableAttrs : ADS_ATTR_INFO*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dsprop.dll')
ADsPropCheckIfWritable = Fiddle::Function.new(
  lib['ADsPropCheckIfWritable'],
  [
    Fiddle::TYPE_VOIDP,  # pwzAttr : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pWritableAttrs : ADS_ATTR_INFO*
  ],
  Fiddle::TYPE_INT)

#[link(name = "dsprop")]
extern "system" {
    fn ADsPropCheckIfWritable(
        pwzAttr: *const u16,  // LPCWSTR
        pWritableAttrs: *const ADS_ATTR_INFO  // ADS_ATTR_INFO*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dsprop.dll")]
public static extern bool ADsPropCheckIfWritable([MarshalAs(UnmanagedType.LPWStr)] string pwzAttr, IntPtr pWritableAttrs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dsprop_ADsPropCheckIfWritable' -Namespace Win32 -PassThru
# $api::ADsPropCheckIfWritable(pwzAttr, pWritableAttrs)

#uselib "dsprop.dll"
#func global ADsPropCheckIfWritable "ADsPropCheckIfWritable" sptr, sptr
; ADsPropCheckIfWritable pwzAttr, varptr(pWritableAttrs)   ; 戻り値は stat
; pwzAttr : LPCWSTR -> "sptr"
; pWritableAttrs : ADS_ATTR_INFO* -> "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 "dsprop.dll"
#cfunc global ADsPropCheckIfWritable "ADsPropCheckIfWritable" wstr, var
; res = ADsPropCheckIfWritable(pwzAttr, pWritableAttrs)
; pwzAttr : LPCWSTR -> "wstr"
; pWritableAttrs : ADS_ATTR_INFO* -> "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 "dsprop.dll"
#cfunc global ADsPropCheckIfWritable "ADsPropCheckIfWritable" wstr, sptr
; res = ADsPropCheckIfWritable(pwzAttr, varptr(pWritableAttrs))
; pwzAttr : LPCWSTR -> "wstr"
; pWritableAttrs : ADS_ATTR_INFO* -> "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 ADsPropCheckIfWritable(LPCWSTR pwzAttr, ADS_ATTR_INFO* pWritableAttrs)
#uselib "dsprop.dll"
#cfunc global ADsPropCheckIfWritable "ADsPropCheckIfWritable" wstr, var
; res = ADsPropCheckIfWritable(pwzAttr, pWritableAttrs)
; pwzAttr : LPCWSTR -> "wstr"
; pWritableAttrs : ADS_ATTR_INFO* -> "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 ADsPropCheckIfWritable(LPCWSTR pwzAttr, ADS_ATTR_INFO* pWritableAttrs)
#uselib "dsprop.dll"
#cfunc global ADsPropCheckIfWritable "ADsPropCheckIfWritable" wstr, intptr
; res = ADsPropCheckIfWritable(pwzAttr, varptr(pWritableAttrs))
; pwzAttr : LPCWSTR -> "wstr"
; pWritableAttrs : ADS_ATTR_INFO* -> "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 (
	dsprop = windows.NewLazySystemDLL("dsprop.dll")
	procADsPropCheckIfWritable = dsprop.NewProc("ADsPropCheckIfWritable")
)

// pwzAttr (LPCWSTR), pWritableAttrs (ADS_ATTR_INFO*)
r1, _, err := procADsPropCheckIfWritable.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzAttr))),
	uintptr(pWritableAttrs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ADsPropCheckIfWritable(
  pwzAttr: PWideChar;   // LPCWSTR
  pWritableAttrs: Pointer   // ADS_ATTR_INFO*
): BOOL; stdcall;
  external 'dsprop.dll' name 'ADsPropCheckIfWritable';

result := DllCall("dsprop\ADsPropCheckIfWritable"
    , "WStr", pwzAttr   ; LPCWSTR
    , "Ptr", pWritableAttrs   ; ADS_ATTR_INFO*
    , "Int")   ; return: BOOL

●ADsPropCheckIfWritable(pwzAttr, pWritableAttrs) = DLL("dsprop.dll", "bool ADsPropCheckIfWritable(char*, void*)")
# 呼び出し: ADsPropCheckIfWritable(pwzAttr, pWritableAttrs)
# pwzAttr : LPCWSTR -> "char*"
# pWritableAttrs : ADS_ATTR_INFO* -> "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)。