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EnumDirTreeW

関数

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DLLdbghelp.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり

シグネチャ

// dbghelp.dll  (Unicode / -W)
#include <windows.h>

BOOL EnumDirTreeW(
    HANDLE hProcess,   // optional
    LPCWSTR RootPath,
    LPCWSTR InputPathName,
    LPWSTR OutputPathBuffer,   // optional
    PENUMDIRTREE_CALLBACKW cb,   // optional
    void* data   // optional
);

パラメーター

名前	型	方向
hProcess	HANDLE	inoptional
RootPath	LPCWSTR	in
InputPathName	LPCWSTR	in
OutputPathBuffer	LPWSTR	outoptional
cb	PENUMDIRTREE_CALLBACKW	inoptional
data	void*	inoptional

戻り値の型: BOOL

各言語での呼び出し定義

// dbghelp.dll  (Unicode / -W)
#include <windows.h>

BOOL EnumDirTreeW(
    HANDLE hProcess,   // optional
    LPCWSTR RootPath,
    LPCWSTR InputPathName,
    LPWSTR OutputPathBuffer,   // optional
    PENUMDIRTREE_CALLBACKW cb,   // optional
    void* data   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool EnumDirTreeW(
    IntPtr hProcess,   // HANDLE optional
    [MarshalAs(UnmanagedType.LPWStr)] string RootPath,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string InputPathName,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder OutputPathBuffer,   // LPWSTR optional, out
    IntPtr cb,   // PENUMDIRTREE_CALLBACKW optional
    IntPtr data   // void* optional
);

<DllImport("dbghelp.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EnumDirTreeW(
    hProcess As IntPtr,   ' HANDLE optional
    <MarshalAs(UnmanagedType.LPWStr)> RootPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> InputPathName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> OutputPathBuffer As System.Text.StringBuilder,   ' LPWSTR optional, out
    cb As IntPtr,   ' PENUMDIRTREE_CALLBACKW optional
    data As IntPtr   ' void* optional
) As Boolean
End Function

' hProcess : HANDLE optional
' RootPath : LPCWSTR
' InputPathName : LPCWSTR
' OutputPathBuffer : LPWSTR optional, out
' cb : PENUMDIRTREE_CALLBACKW optional
' data : void* optional
Declare PtrSafe Function EnumDirTreeW Lib "dbghelp" ( _
    ByVal hProcess As LongPtr, _
    ByVal RootPath As LongPtr, _
    ByVal InputPathName As LongPtr, _
    ByVal OutputPathBuffer As LongPtr, _
    ByVal cb As LongPtr, _
    ByVal data As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EnumDirTreeW = ctypes.windll.dbghelp.EnumDirTreeW
EnumDirTreeW.restype = wintypes.BOOL
EnumDirTreeW.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE optional
    wintypes.LPCWSTR,  # RootPath : LPCWSTR
    wintypes.LPCWSTR,  # InputPathName : LPCWSTR
    wintypes.LPWSTR,  # OutputPathBuffer : LPWSTR optional, out
    ctypes.c_void_p,  # cb : PENUMDIRTREE_CALLBACKW optional
    ctypes.POINTER(None),  # data : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dbghelp.dll')
EnumDirTreeW = Fiddle::Function.new(
  lib['EnumDirTreeW'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE optional
    Fiddle::TYPE_VOIDP,  # RootPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # InputPathName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # OutputPathBuffer : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # cb : PENUMDIRTREE_CALLBACKW optional
    Fiddle::TYPE_VOIDP,  # data : void* optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "dbghelp")]
extern "system" {
    fn EnumDirTreeW(
        hProcess: *mut core::ffi::c_void,  // HANDLE optional
        RootPath: *const u16,  // LPCWSTR
        InputPathName: *const u16,  // LPCWSTR
        OutputPathBuffer: *mut u16,  // LPWSTR optional, out
        cb: *const core::ffi::c_void,  // PENUMDIRTREE_CALLBACKW optional
        data: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dbghelp.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool EnumDirTreeW(IntPtr hProcess, [MarshalAs(UnmanagedType.LPWStr)] string RootPath, [MarshalAs(UnmanagedType.LPWStr)] string InputPathName, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder OutputPathBuffer, IntPtr cb, IntPtr data);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dbghelp_EnumDirTreeW' -Namespace Win32 -PassThru
# $api::EnumDirTreeW(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data)

#uselib "dbghelp.dll"
#func global EnumDirTreeW "EnumDirTreeW" wptr, wptr, wptr, wptr, wptr, wptr
; EnumDirTreeW hProcess, RootPath, InputPathName, varptr(OutputPathBuffer), cb, data   ; 戻り値は stat
; hProcess : HANDLE optional -> "wptr"
; RootPath : LPCWSTR -> "wptr"
; InputPathName : LPCWSTR -> "wptr"
; OutputPathBuffer : LPWSTR optional, out -> "wptr"
; cb : PENUMDIRTREE_CALLBACKW optional -> "wptr"
; data : void* optional -> "wptr"
; ※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 "dbghelp.dll"
#cfunc global EnumDirTreeW "EnumDirTreeW" sptr, wstr, wstr, var, sptr, sptr
; res = EnumDirTreeW(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data)
; hProcess : HANDLE optional -> "sptr"
; RootPath : LPCWSTR -> "wstr"
; InputPathName : LPCWSTR -> "wstr"
; OutputPathBuffer : LPWSTR optional, out -> "var"
; cb : PENUMDIRTREE_CALLBACKW optional -> "sptr"
; data : void* optional -> "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。#uselib "dbghelp.dll"
#cfunc global EnumDirTreeW "EnumDirTreeW" sptr, wstr, wstr, sptr, sptr, sptr
; res = EnumDirTreeW(hProcess, RootPath, InputPathName, varptr(OutputPathBuffer), cb, data)
; hProcess : HANDLE optional -> "sptr"
; RootPath : LPCWSTR -> "wstr"
; InputPathName : LPCWSTR -> "wstr"
; OutputPathBuffer : LPWSTR optional, out -> "sptr"
; cb : PENUMDIRTREE_CALLBACKW optional -> "sptr"
; data : void* optional -> "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 EnumDirTreeW(HANDLE hProcess, LPCWSTR RootPath, LPCWSTR InputPathName, LPWSTR OutputPathBuffer, PENUMDIRTREE_CALLBACKW cb, void* data)
#uselib "dbghelp.dll"
#cfunc global EnumDirTreeW "EnumDirTreeW" intptr, wstr, wstr, var, intptr, intptr
; res = EnumDirTreeW(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data)
; hProcess : HANDLE optional -> "intptr"
; RootPath : LPCWSTR -> "wstr"
; InputPathName : LPCWSTR -> "wstr"
; OutputPathBuffer : LPWSTR optional, out -> "var"
; cb : PENUMDIRTREE_CALLBACKW optional -> "intptr"
; data : void* optional -> "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。; BOOL EnumDirTreeW(HANDLE hProcess, LPCWSTR RootPath, LPCWSTR InputPathName, LPWSTR OutputPathBuffer, PENUMDIRTREE_CALLBACKW cb, void* data)
#uselib "dbghelp.dll"
#cfunc global EnumDirTreeW "EnumDirTreeW" intptr, wstr, wstr, intptr, intptr, intptr
; res = EnumDirTreeW(hProcess, RootPath, InputPathName, varptr(OutputPathBuffer), cb, data)
; hProcess : HANDLE optional -> "intptr"
; RootPath : LPCWSTR -> "wstr"
; InputPathName : LPCWSTR -> "wstr"
; OutputPathBuffer : LPWSTR optional, out -> "intptr"
; cb : PENUMDIRTREE_CALLBACKW optional -> "intptr"
; data : void* optional -> "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 (
	dbghelp = windows.NewLazySystemDLL("dbghelp.dll")
	procEnumDirTreeW = dbghelp.NewProc("EnumDirTreeW")
)

// hProcess (HANDLE optional), RootPath (LPCWSTR), InputPathName (LPCWSTR), OutputPathBuffer (LPWSTR optional, out), cb (PENUMDIRTREE_CALLBACKW optional), data (void* optional)
r1, _, err := procEnumDirTreeW.Call(
	uintptr(hProcess),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(RootPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(InputPathName))),
	uintptr(OutputPathBuffer),
	uintptr(cb),
	uintptr(data),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EnumDirTreeW(
  hProcess: THandle;   // HANDLE optional
  RootPath: PWideChar;   // LPCWSTR
  InputPathName: PWideChar;   // LPCWSTR
  OutputPathBuffer: PWideChar;   // LPWSTR optional, out
  cb: Pointer;   // PENUMDIRTREE_CALLBACKW optional
  data: Pointer   // void* optional
): BOOL; stdcall;
  external 'dbghelp.dll' name 'EnumDirTreeW';

result := DllCall("dbghelp\EnumDirTreeW"
    , "Ptr", hProcess   ; HANDLE optional
    , "WStr", RootPath   ; LPCWSTR
    , "WStr", InputPathName   ; LPCWSTR
    , "Ptr", OutputPathBuffer   ; LPWSTR optional, out
    , "Ptr", cb   ; PENUMDIRTREE_CALLBACKW optional
    , "Ptr", data   ; void* optional
    , "Int")   ; return: BOOL

●EnumDirTreeW(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data) = DLL("dbghelp.dll", "bool EnumDirTreeW(void*, char*, char*, char*, void*, void*)")
# 呼び出し: EnumDirTreeW(hProcess, RootPath, InputPathName, OutputPathBuffer, cb, data)
# hProcess : HANDLE optional -> "void*"
# RootPath : LPCWSTR -> "char*"
# InputPathName : LPCWSTR -> "char*"
# OutputPathBuffer : LPWSTR optional, out -> "char*"
# cb : PENUMDIRTREE_CALLBACKW optional -> "void*"
# data : void* optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。