Win32 API 日本語リファレンス
ホームStorage.ProjectedFileSystem › PrjFillDirEntryBuffer

PrjFillDirEntryBuffer

関数
ディレクトリ列挙用バッファにエントリ情報を格納する。
DLLPROJECTEDFSLIB.dll呼出規約winapi対応OSWindows 10 以降

シグネチャ

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

HRESULT PrjFillDirEntryBuffer(
    LPCWSTR fileName,
    PRJ_FILE_BASIC_INFO* fileBasicInfo,   // optional
    PRJ_DIR_ENTRY_BUFFER_HANDLE dirEntryBufferHandle
);

パラメーター

名前方向説明
fileNameLPCWSTRinディレクトリ列挙結果に追加するエントリのファイル名文字列。
fileBasicInfoPRJ_FILE_BASIC_INFO*inoptionalエントリのサイズや属性等を格納したPRJ_FILE_BASIC_INFO構造体へのポインタ。NULL可。
dirEntryBufferHandlePRJ_DIR_ENTRY_BUFFER_HANDLEin列挙コールバックで渡された、エントリ追加先のディレクトリエントリバッファハンドル。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT PrjFillDirEntryBuffer(
    LPCWSTR fileName,
    PRJ_FILE_BASIC_INFO* fileBasicInfo,   // optional
    PRJ_DIR_ENTRY_BUFFER_HANDLE dirEntryBufferHandle
);
[DllImport("PROJECTEDFSLIB.dll", ExactSpelling = true)]
static extern int PrjFillDirEntryBuffer(
    [MarshalAs(UnmanagedType.LPWStr)] string fileName,   // LPCWSTR
    IntPtr fileBasicInfo,   // PRJ_FILE_BASIC_INFO* optional
    IntPtr dirEntryBufferHandle   // PRJ_DIR_ENTRY_BUFFER_HANDLE
);
<DllImport("PROJECTEDFSLIB.dll", ExactSpelling:=True)>
Public Shared Function PrjFillDirEntryBuffer(
    <MarshalAs(UnmanagedType.LPWStr)> fileName As String,   ' LPCWSTR
    fileBasicInfo As IntPtr,   ' PRJ_FILE_BASIC_INFO* optional
    dirEntryBufferHandle As IntPtr   ' PRJ_DIR_ENTRY_BUFFER_HANDLE
) As Integer
End Function
' fileName : LPCWSTR
' fileBasicInfo : PRJ_FILE_BASIC_INFO* optional
' dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE
Declare PtrSafe Function PrjFillDirEntryBuffer Lib "projectedfslib" ( _
    ByVal fileName As LongPtr, _
    ByVal fileBasicInfo As LongPtr, _
    ByVal dirEntryBufferHandle 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

PrjFillDirEntryBuffer = ctypes.windll.projectedfslib.PrjFillDirEntryBuffer
PrjFillDirEntryBuffer.restype = ctypes.c_int
PrjFillDirEntryBuffer.argtypes = [
    wintypes.LPCWSTR,  # fileName : LPCWSTR
    ctypes.c_void_p,  # fileBasicInfo : PRJ_FILE_BASIC_INFO* optional
    wintypes.HANDLE,  # dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROJECTEDFSLIB.dll')
PrjFillDirEntryBuffer = Fiddle::Function.new(
  lib['PrjFillDirEntryBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # fileName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # fileBasicInfo : PRJ_FILE_BASIC_INFO* optional
    Fiddle::TYPE_VOIDP,  # dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE
  ],
  Fiddle::TYPE_INT)
#[link(name = "projectedfslib")]
extern "system" {
    fn PrjFillDirEntryBuffer(
        fileName: *const u16,  // LPCWSTR
        fileBasicInfo: *mut PRJ_FILE_BASIC_INFO,  // PRJ_FILE_BASIC_INFO* optional
        dirEntryBufferHandle: *mut core::ffi::c_void  // PRJ_DIR_ENTRY_BUFFER_HANDLE
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("PROJECTEDFSLIB.dll")]
public static extern int PrjFillDirEntryBuffer([MarshalAs(UnmanagedType.LPWStr)] string fileName, IntPtr fileBasicInfo, IntPtr dirEntryBufferHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROJECTEDFSLIB_PrjFillDirEntryBuffer' -Namespace Win32 -PassThru
# $api::PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle)
#uselib "PROJECTEDFSLIB.dll"
#func global PrjFillDirEntryBuffer "PrjFillDirEntryBuffer" sptr, sptr, sptr
; PrjFillDirEntryBuffer fileName, varptr(fileBasicInfo), dirEntryBufferHandle   ; 戻り値は stat
; fileName : LPCWSTR -> "sptr"
; fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> "sptr"
; dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> "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 "PROJECTEDFSLIB.dll"
#cfunc global PrjFillDirEntryBuffer "PrjFillDirEntryBuffer" wstr, var, sptr
; res = PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle)
; fileName : LPCWSTR -> "wstr"
; fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> "var"
; dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> "sptr"
; ※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。
出力引数:
; HRESULT PrjFillDirEntryBuffer(LPCWSTR fileName, PRJ_FILE_BASIC_INFO* fileBasicInfo, PRJ_DIR_ENTRY_BUFFER_HANDLE dirEntryBufferHandle)
#uselib "PROJECTEDFSLIB.dll"
#cfunc global PrjFillDirEntryBuffer "PrjFillDirEntryBuffer" wstr, var, intptr
; res = PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle)
; fileName : LPCWSTR -> "wstr"
; fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> "var"
; dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> "intptr"
; ※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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	projectedfslib = windows.NewLazySystemDLL("PROJECTEDFSLIB.dll")
	procPrjFillDirEntryBuffer = projectedfslib.NewProc("PrjFillDirEntryBuffer")
)

// fileName (LPCWSTR), fileBasicInfo (PRJ_FILE_BASIC_INFO* optional), dirEntryBufferHandle (PRJ_DIR_ENTRY_BUFFER_HANDLE)
r1, _, err := procPrjFillDirEntryBuffer.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(fileName))),
	uintptr(fileBasicInfo),
	uintptr(dirEntryBufferHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function PrjFillDirEntryBuffer(
  fileName: PWideChar;   // LPCWSTR
  fileBasicInfo: Pointer;   // PRJ_FILE_BASIC_INFO* optional
  dirEntryBufferHandle: THandle   // PRJ_DIR_ENTRY_BUFFER_HANDLE
): Integer; stdcall;
  external 'PROJECTEDFSLIB.dll' name 'PrjFillDirEntryBuffer';
result := DllCall("PROJECTEDFSLIB\PrjFillDirEntryBuffer"
    , "WStr", fileName   ; LPCWSTR
    , "Ptr", fileBasicInfo   ; PRJ_FILE_BASIC_INFO* optional
    , "Ptr", dirEntryBufferHandle   ; PRJ_DIR_ENTRY_BUFFER_HANDLE
    , "Int")   ; return: HRESULT
●PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle) = DLL("PROJECTEDFSLIB.dll", "int PrjFillDirEntryBuffer(char*, void*, void*)")
# 呼び出し: PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle)
# fileName : LPCWSTR -> "char*"
# fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> "void*"
# dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> "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)。
const std = @import("std");

extern "projectedfslib" fn PrjFillDirEntryBuffer(
    fileName: [*c]const u16, // LPCWSTR
    fileBasicInfo: [*c]PRJ_FILE_BASIC_INFO, // PRJ_FILE_BASIC_INFO* optional
    dirEntryBufferHandle: ?*anyopaque // PRJ_DIR_ENTRY_BUFFER_HANDLE
) callconv(std.os.windows.WINAPI) i32;
proc PrjFillDirEntryBuffer(
    fileName: WideCString,  # LPCWSTR
    fileBasicInfo: ptr PRJ_FILE_BASIC_INFO,  # PRJ_FILE_BASIC_INFO* optional
    dirEntryBufferHandle: pointer  # PRJ_DIR_ENTRY_BUFFER_HANDLE
): int32 {.importc: "PrjFillDirEntryBuffer", stdcall, dynlib: "PROJECTEDFSLIB.dll".}
pragma(lib, "projectedfslib");
extern(Windows)
int PrjFillDirEntryBuffer(
    const(wchar)* fileName,   // LPCWSTR
    PRJ_FILE_BASIC_INFO* fileBasicInfo,   // PRJ_FILE_BASIC_INFO* optional
    void* dirEntryBufferHandle   // PRJ_DIR_ENTRY_BUFFER_HANDLE
);
ccall((:PrjFillDirEntryBuffer, "PROJECTEDFSLIB.dll"), stdcall, Int32,
      (Cwstring, Ptr{PRJ_FILE_BASIC_INFO}, Ptr{Cvoid}),
      fileName, fileBasicInfo, dirEntryBufferHandle)
# fileName : LPCWSTR -> Cwstring
# fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> Ptr{PRJ_FILE_BASIC_INFO}
# dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t PrjFillDirEntryBuffer(
    const uint16_t* fileName,
    void* fileBasicInfo,
    void* dirEntryBufferHandle);
]]
local projectedfslib = ffi.load("projectedfslib")
-- projectedfslib.PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle)
-- fileName : LPCWSTR
-- fileBasicInfo : PRJ_FILE_BASIC_INFO* optional
-- dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('PROJECTEDFSLIB.dll');
const PrjFillDirEntryBuffer = lib.func('__stdcall', 'PrjFillDirEntryBuffer', 'int32_t', ['str16', 'void *', 'void *']);
// PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle)
// fileName : LPCWSTR -> 'str16'
// fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> 'void *'
// dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("PROJECTEDFSLIB.dll", {
  PrjFillDirEntryBuffer: { parameters: ["buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle)
// fileName : LPCWSTR -> "buffer"
// fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> "pointer"
// dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t PrjFillDirEntryBuffer(
    const uint16_t* fileName,
    void* fileBasicInfo,
    void* dirEntryBufferHandle);
C, "PROJECTEDFSLIB.dll");
// $ffi->PrjFillDirEntryBuffer(fileName, fileBasicInfo, dirEntryBufferHandle);
// fileName : LPCWSTR
// fileBasicInfo : PRJ_FILE_BASIC_INFO* optional
// dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Projectedfslib extends StdCallLibrary {
    Projectedfslib INSTANCE = Native.load("projectedfslib", Projectedfslib.class);
    int PrjFillDirEntryBuffer(
        WString fileName,   // LPCWSTR
        Pointer fileBasicInfo,   // PRJ_FILE_BASIC_INFO* optional
        Pointer dirEntryBufferHandle   // PRJ_DIR_ENTRY_BUFFER_HANDLE
    );
}
@[Link("projectedfslib")]
lib LibPROJECTEDFSLIB
  fun PrjFillDirEntryBuffer = PrjFillDirEntryBuffer(
    fileName : UInt16*,   # LPCWSTR
    fileBasicInfo : PRJ_FILE_BASIC_INFO*,   # PRJ_FILE_BASIC_INFO* optional
    dirEntryBufferHandle : Void*   # PRJ_DIR_ENTRY_BUFFER_HANDLE
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef PrjFillDirEntryBufferNative = Int32 Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
typedef PrjFillDirEntryBufferDart = int Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
final PrjFillDirEntryBuffer = DynamicLibrary.open('PROJECTEDFSLIB.dll')
    .lookupFunction<PrjFillDirEntryBufferNative, PrjFillDirEntryBufferDart>('PrjFillDirEntryBuffer');
// fileName : LPCWSTR -> Pointer<Utf16>
// fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> Pointer<Void>
// dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function PrjFillDirEntryBuffer(
  fileName: PWideChar;   // LPCWSTR
  fileBasicInfo: Pointer;   // PRJ_FILE_BASIC_INFO* optional
  dirEntryBufferHandle: THandle   // PRJ_DIR_ENTRY_BUFFER_HANDLE
): Integer; stdcall;
  external 'PROJECTEDFSLIB.dll' name 'PrjFillDirEntryBuffer';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PrjFillDirEntryBuffer"
  c_PrjFillDirEntryBuffer :: CWString -> Ptr () -> Ptr () -> IO Int32
-- fileName : LPCWSTR -> CWString
-- fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> Ptr ()
-- dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let prjfilldirentrybuffer =
  foreign "PrjFillDirEntryBuffer"
    ((ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* fileName : LPCWSTR -> (ptr uint16_t) *)
(* fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> (ptr void) *)
(* dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library projectedfslib (t "PROJECTEDFSLIB.dll"))
(cffi:use-foreign-library projectedfslib)

(cffi:defcfun ("PrjFillDirEntryBuffer" prj-fill-dir-entry-buffer :convention :stdcall) :int32
  (file-name (:string :encoding :utf-16le))   ; LPCWSTR
  (file-basic-info :pointer)   ; PRJ_FILE_BASIC_INFO* optional
  (dir-entry-buffer-handle :pointer))   ; PRJ_DIR_ENTRY_BUFFER_HANDLE
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $PrjFillDirEntryBuffer = Win32::API::More->new('PROJECTEDFSLIB',
    'int PrjFillDirEntryBuffer(LPCWSTR fileName, LPVOID fileBasicInfo, HANDLE dirEntryBufferHandle)');
# my $ret = $PrjFillDirEntryBuffer->Call($fileName, $fileBasicInfo, $dirEntryBufferHandle);
# fileName : LPCWSTR -> LPCWSTR
# fileBasicInfo : PRJ_FILE_BASIC_INFO* optional -> LPVOID
# dirEntryBufferHandle : PRJ_DIR_ENTRY_BUFFER_HANDLE -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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