ホーム › NetworkManagement.Dns › DnsFreeProxyName

DnsFreeProxyName

関数

DNSプロキシ名に割り当てられたメモリを解放する。

DLLDNSAPI.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

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

void DnsFreeProxyName(
    LPWSTR proxyName   // optional
);

パラメーター

名前	型	方向
proxyName	LPWSTR	inoptional

戻り値の型: void

各言語での呼び出し定義

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

void DnsFreeProxyName(
    LPWSTR proxyName   // optional
);

[DllImport("DNSAPI.dll", ExactSpelling = true)]
static extern void DnsFreeProxyName(
    [MarshalAs(UnmanagedType.LPWStr)] string proxyName   // LPWSTR optional
);

<DllImport("DNSAPI.dll", ExactSpelling:=True)>
Public Shared Sub DnsFreeProxyName(
    <MarshalAs(UnmanagedType.LPWStr)> proxyName As String   ' LPWSTR optional
)
End Sub

' proxyName : LPWSTR optional
Declare PtrSafe Sub DnsFreeProxyName Lib "dnsapi" ( _
    ByVal proxyName As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DnsFreeProxyName = ctypes.windll.dnsapi.DnsFreeProxyName
DnsFreeProxyName.restype = None
DnsFreeProxyName.argtypes = [
    wintypes.LPCWSTR,  # proxyName : LPWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsFreeProxyName = Fiddle::Function.new(
  lib['DnsFreeProxyName'],
  [
    Fiddle::TYPE_VOIDP,  # proxyName : LPWSTR optional
  ],
  Fiddle::TYPE_VOID)

#[link(name = "dnsapi")]
extern "system" {
    fn DnsFreeProxyName(
        proxyName: *mut u16  // LPWSTR optional
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DNSAPI.dll")]
public static extern void DnsFreeProxyName([MarshalAs(UnmanagedType.LPWStr)] string proxyName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsFreeProxyName' -Namespace Win32 -PassThru
# $api::DnsFreeProxyName(proxyName)

#uselib "DNSAPI.dll"
#func global DnsFreeProxyName "DnsFreeProxyName" sptr
; DnsFreeProxyName proxyName
; proxyName : LPWSTR optional -> "sptr"

#uselib "DNSAPI.dll"
#func global DnsFreeProxyName "DnsFreeProxyName" wstr
; DnsFreeProxyName proxyName
; proxyName : LPWSTR optional -> "wstr"

; void DnsFreeProxyName(LPWSTR proxyName)
#uselib "DNSAPI.dll"
#func global DnsFreeProxyName "DnsFreeProxyName" wstr
; DnsFreeProxyName proxyName
; proxyName : LPWSTR optional -> "wstr"

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

var (
	dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
	procDnsFreeProxyName = dnsapi.NewProc("DnsFreeProxyName")
)

// proxyName (LPWSTR optional)
r1, _, err := procDnsFreeProxyName.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(proxyName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure DnsFreeProxyName(
  proxyName: PWideChar   // LPWSTR optional
); stdcall;
  external 'DNSAPI.dll' name 'DnsFreeProxyName';

result := DllCall("DNSAPI\DnsFreeProxyName"
    , "WStr", proxyName   ; LPWSTR optional
    , "Int")   ; return: void

●DnsFreeProxyName(proxyName) = DLL("DNSAPI.dll", "int DnsFreeProxyName(char*)")
# 呼び出し: DnsFreeProxyName(proxyName)
# proxyName : LPWSTR optional -> "char*"
# 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)。