ホーム › NetworkManagement.WNet › NPGetResourceParent

NPGetResourceParent

関数

ネットワークリソースの親情報をプロバイダーから取得する。

DLLdavclnt.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

DWORD NPGetResourceParent(
    NETRESOURCEW* lpNetResource,
    void* lpBuffer,
    DWORD* lpBufferSize
);

パラメーター

名前	型	方向
lpNetResource	NETRESOURCEW*	in
lpBuffer	void*	out
lpBufferSize	DWORD*	inout

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD NPGetResourceParent(
    NETRESOURCEW* lpNetResource,
    void* lpBuffer,
    DWORD* lpBufferSize
);

[DllImport("davclnt.dll", ExactSpelling = true)]
static extern uint NPGetResourceParent(
    IntPtr lpNetResource,   // NETRESOURCEW*
    IntPtr lpBuffer,   // void* out
    ref uint lpBufferSize   // DWORD* in/out
);

<DllImport("davclnt.dll", ExactSpelling:=True)>
Public Shared Function NPGetResourceParent(
    lpNetResource As IntPtr,   ' NETRESOURCEW*
    lpBuffer As IntPtr,   ' void* out
    ByRef lpBufferSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' lpNetResource : NETRESOURCEW*
' lpBuffer : void* out
' lpBufferSize : DWORD* in/out
Declare PtrSafe Function NPGetResourceParent Lib "davclnt" ( _
    ByVal lpNetResource As LongPtr, _
    ByVal lpBuffer As LongPtr, _
    ByRef lpBufferSize 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

NPGetResourceParent = ctypes.windll.davclnt.NPGetResourceParent
NPGetResourceParent.restype = wintypes.DWORD
NPGetResourceParent.argtypes = [
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEW*
    ctypes.POINTER(None),  # lpBuffer : void* out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('davclnt.dll')
NPGetResourceParent = Fiddle::Function.new(
  lib['NPGetResourceParent'],
  [
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEW*
    Fiddle::TYPE_VOIDP,  # lpBuffer : void* out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "davclnt")]
extern "system" {
    fn NPGetResourceParent(
        lpNetResource: *mut NETRESOURCEW,  // NETRESOURCEW*
        lpBuffer: *mut (),  // void* out
        lpBufferSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("davclnt.dll")]
public static extern uint NPGetResourceParent(IntPtr lpNetResource, IntPtr lpBuffer, ref uint lpBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'davclnt_NPGetResourceParent' -Namespace Win32 -PassThru
# $api::NPGetResourceParent(lpNetResource, lpBuffer, lpBufferSize)

#uselib "davclnt.dll"
#func global NPGetResourceParent "NPGetResourceParent" sptr, sptr, sptr
; NPGetResourceParent varptr(lpNetResource), lpBuffer, varptr(lpBufferSize)   ; 戻り値は stat
; lpNetResource : NETRESOURCEW* -> "sptr"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : DWORD* in/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 "davclnt.dll"
#cfunc global NPGetResourceParent "NPGetResourceParent" var, sptr, var
; res = NPGetResourceParent(lpNetResource, lpBuffer, lpBufferSize)
; lpNetResource : NETRESOURCEW* -> "var"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : DWORD* in/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 "davclnt.dll"
#cfunc global NPGetResourceParent "NPGetResourceParent" sptr, sptr, sptr
; res = NPGetResourceParent(varptr(lpNetResource), lpBuffer, varptr(lpBufferSize))
; lpNetResource : NETRESOURCEW* -> "sptr"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : DWORD* in/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:

; DWORD NPGetResourceParent(NETRESOURCEW* lpNetResource, void* lpBuffer, DWORD* lpBufferSize)
#uselib "davclnt.dll"
#cfunc global NPGetResourceParent "NPGetResourceParent" var, intptr, var
; res = NPGetResourceParent(lpNetResource, lpBuffer, lpBufferSize)
; lpNetResource : NETRESOURCEW* -> "var"
; lpBuffer : void* out -> "intptr"
; lpBufferSize : DWORD* in/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。; DWORD NPGetResourceParent(NETRESOURCEW* lpNetResource, void* lpBuffer, DWORD* lpBufferSize)
#uselib "davclnt.dll"
#cfunc global NPGetResourceParent "NPGetResourceParent" intptr, intptr, intptr
; res = NPGetResourceParent(varptr(lpNetResource), lpBuffer, varptr(lpBufferSize))
; lpNetResource : NETRESOURCEW* -> "intptr"
; lpBuffer : void* out -> "intptr"
; lpBufferSize : DWORD* in/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 (
	davclnt = windows.NewLazySystemDLL("davclnt.dll")
	procNPGetResourceParent = davclnt.NewProc("NPGetResourceParent")
)

// lpNetResource (NETRESOURCEW*), lpBuffer (void* out), lpBufferSize (DWORD* in/out)
r1, _, err := procNPGetResourceParent.Call(
	uintptr(lpNetResource),
	uintptr(lpBuffer),
	uintptr(lpBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NPGetResourceParent(
  lpNetResource: Pointer;   // NETRESOURCEW*
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'davclnt.dll' name 'NPGetResourceParent';

result := DllCall("davclnt\NPGetResourceParent"
    , "Ptr", lpNetResource   ; NETRESOURCEW*
    , "Ptr", lpBuffer   ; void* out
    , "Ptr", lpBufferSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●NPGetResourceParent(lpNetResource, lpBuffer, lpBufferSize) = DLL("davclnt.dll", "dword NPGetResourceParent(void*, void*, void*)")
# 呼び出し: NPGetResourceParent(lpNetResource, lpBuffer, lpBufferSize)
# lpNetResource : NETRESOURCEW* -> "void*"
# lpBuffer : void* out -> "void*"
# lpBufferSize : DWORD* in/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)。