ホーム › NetworkManagement.Dns › DnsConnectionGetProxyInfoForHostUrl

DnsConnectionGetProxyInfoForHostUrl

関数

指定ホストURLに対する接続のプロキシ情報を取得する。

DLLDNSAPI.dll呼出規約winapi

シグネチャ

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

DWORD DnsConnectionGetProxyInfoForHostUrl(
    LPCWSTR pwszHostUrl,
    BYTE* pSelectionContext,   // optional
    DWORD dwSelectionContextLength,
    DWORD dwExplicitInterfaceIndex,
    DNS_CONNECTION_PROXY_INFO_EX* pProxyInfoEx
);

パラメーター

名前	型	方向
pwszHostUrl	LPCWSTR	in
pSelectionContext	BYTE*	inoptional
dwSelectionContextLength	DWORD	in
dwExplicitInterfaceIndex	DWORD	in
pProxyInfoEx	DNS_CONNECTION_PROXY_INFO_EX*	out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD DnsConnectionGetProxyInfoForHostUrl(
    LPCWSTR pwszHostUrl,
    BYTE* pSelectionContext,   // optional
    DWORD dwSelectionContextLength,
    DWORD dwExplicitInterfaceIndex,
    DNS_CONNECTION_PROXY_INFO_EX* pProxyInfoEx
);

[DllImport("DNSAPI.dll", ExactSpelling = true)]
static extern uint DnsConnectionGetProxyInfoForHostUrl(
    [MarshalAs(UnmanagedType.LPWStr)] string pwszHostUrl,   // LPCWSTR
    IntPtr pSelectionContext,   // BYTE* optional
    uint dwSelectionContextLength,   // DWORD
    uint dwExplicitInterfaceIndex,   // DWORD
    IntPtr pProxyInfoEx   // DNS_CONNECTION_PROXY_INFO_EX* out
);

<DllImport("DNSAPI.dll", ExactSpelling:=True)>
Public Shared Function DnsConnectionGetProxyInfoForHostUrl(
    <MarshalAs(UnmanagedType.LPWStr)> pwszHostUrl As String,   ' LPCWSTR
    pSelectionContext As IntPtr,   ' BYTE* optional
    dwSelectionContextLength As UInteger,   ' DWORD
    dwExplicitInterfaceIndex As UInteger,   ' DWORD
    pProxyInfoEx As IntPtr   ' DNS_CONNECTION_PROXY_INFO_EX* out
) As UInteger
End Function

' pwszHostUrl : LPCWSTR
' pSelectionContext : BYTE* optional
' dwSelectionContextLength : DWORD
' dwExplicitInterfaceIndex : DWORD
' pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* out
Declare PtrSafe Function DnsConnectionGetProxyInfoForHostUrl Lib "dnsapi" ( _
    ByVal pwszHostUrl As LongPtr, _
    ByVal pSelectionContext As LongPtr, _
    ByVal dwSelectionContextLength As Long, _
    ByVal dwExplicitInterfaceIndex As Long, _
    ByVal pProxyInfoEx 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

DnsConnectionGetProxyInfoForHostUrl = ctypes.windll.dnsapi.DnsConnectionGetProxyInfoForHostUrl
DnsConnectionGetProxyInfoForHostUrl.restype = wintypes.DWORD
DnsConnectionGetProxyInfoForHostUrl.argtypes = [
    wintypes.LPCWSTR,  # pwszHostUrl : LPCWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pSelectionContext : BYTE* optional
    wintypes.DWORD,  # dwSelectionContextLength : DWORD
    wintypes.DWORD,  # dwExplicitInterfaceIndex : DWORD
    ctypes.c_void_p,  # pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsConnectionGetProxyInfoForHostUrl = Fiddle::Function.new(
  lib['DnsConnectionGetProxyInfoForHostUrl'],
  [
    Fiddle::TYPE_VOIDP,  # pwszHostUrl : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pSelectionContext : BYTE* optional
    -Fiddle::TYPE_INT,  # dwSelectionContextLength : DWORD
    -Fiddle::TYPE_INT,  # dwExplicitInterfaceIndex : DWORD
    Fiddle::TYPE_VOIDP,  # pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "dnsapi")]
extern "system" {
    fn DnsConnectionGetProxyInfoForHostUrl(
        pwszHostUrl: *const u16,  // LPCWSTR
        pSelectionContext: *mut u8,  // BYTE* optional
        dwSelectionContextLength: u32,  // DWORD
        dwExplicitInterfaceIndex: u32,  // DWORD
        pProxyInfoEx: *mut DNS_CONNECTION_PROXY_INFO_EX  // DNS_CONNECTION_PROXY_INFO_EX* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DNSAPI.dll")]
public static extern uint DnsConnectionGetProxyInfoForHostUrl([MarshalAs(UnmanagedType.LPWStr)] string pwszHostUrl, IntPtr pSelectionContext, uint dwSelectionContextLength, uint dwExplicitInterfaceIndex, IntPtr pProxyInfoEx);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsConnectionGetProxyInfoForHostUrl' -Namespace Win32 -PassThru
# $api::DnsConnectionGetProxyInfoForHostUrl(pwszHostUrl, pSelectionContext, dwSelectionContextLength, dwExplicitInterfaceIndex, pProxyInfoEx)

#uselib "DNSAPI.dll"
#func global DnsConnectionGetProxyInfoForHostUrl "DnsConnectionGetProxyInfoForHostUrl" sptr, sptr, sptr, sptr, sptr
; DnsConnectionGetProxyInfoForHostUrl pwszHostUrl, varptr(pSelectionContext), dwSelectionContextLength, dwExplicitInterfaceIndex, varptr(pProxyInfoEx)   ; 戻り値は stat
; pwszHostUrl : LPCWSTR -> "sptr"
; pSelectionContext : BYTE* optional -> "sptr"
; dwSelectionContextLength : DWORD -> "sptr"
; dwExplicitInterfaceIndex : DWORD -> "sptr"
; pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* 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 "DNSAPI.dll"
#cfunc global DnsConnectionGetProxyInfoForHostUrl "DnsConnectionGetProxyInfoForHostUrl" wstr, var, int, int, var
; res = DnsConnectionGetProxyInfoForHostUrl(pwszHostUrl, pSelectionContext, dwSelectionContextLength, dwExplicitInterfaceIndex, pProxyInfoEx)
; pwszHostUrl : LPCWSTR -> "wstr"
; pSelectionContext : BYTE* optional -> "var"
; dwSelectionContextLength : DWORD -> "int"
; dwExplicitInterfaceIndex : DWORD -> "int"
; pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* 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 "DNSAPI.dll"
#cfunc global DnsConnectionGetProxyInfoForHostUrl "DnsConnectionGetProxyInfoForHostUrl" wstr, sptr, int, int, sptr
; res = DnsConnectionGetProxyInfoForHostUrl(pwszHostUrl, varptr(pSelectionContext), dwSelectionContextLength, dwExplicitInterfaceIndex, varptr(pProxyInfoEx))
; pwszHostUrl : LPCWSTR -> "wstr"
; pSelectionContext : BYTE* optional -> "sptr"
; dwSelectionContextLength : DWORD -> "int"
; dwExplicitInterfaceIndex : DWORD -> "int"
; pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* 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 DnsConnectionGetProxyInfoForHostUrl(LPCWSTR pwszHostUrl, BYTE* pSelectionContext, DWORD dwSelectionContextLength, DWORD dwExplicitInterfaceIndex, DNS_CONNECTION_PROXY_INFO_EX* pProxyInfoEx)
#uselib "DNSAPI.dll"
#cfunc global DnsConnectionGetProxyInfoForHostUrl "DnsConnectionGetProxyInfoForHostUrl" wstr, var, int, int, var
; res = DnsConnectionGetProxyInfoForHostUrl(pwszHostUrl, pSelectionContext, dwSelectionContextLength, dwExplicitInterfaceIndex, pProxyInfoEx)
; pwszHostUrl : LPCWSTR -> "wstr"
; pSelectionContext : BYTE* optional -> "var"
; dwSelectionContextLength : DWORD -> "int"
; dwExplicitInterfaceIndex : DWORD -> "int"
; pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* 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 DnsConnectionGetProxyInfoForHostUrl(LPCWSTR pwszHostUrl, BYTE* pSelectionContext, DWORD dwSelectionContextLength, DWORD dwExplicitInterfaceIndex, DNS_CONNECTION_PROXY_INFO_EX* pProxyInfoEx)
#uselib "DNSAPI.dll"
#cfunc global DnsConnectionGetProxyInfoForHostUrl "DnsConnectionGetProxyInfoForHostUrl" wstr, intptr, int, int, intptr
; res = DnsConnectionGetProxyInfoForHostUrl(pwszHostUrl, varptr(pSelectionContext), dwSelectionContextLength, dwExplicitInterfaceIndex, varptr(pProxyInfoEx))
; pwszHostUrl : LPCWSTR -> "wstr"
; pSelectionContext : BYTE* optional -> "intptr"
; dwSelectionContextLength : DWORD -> "int"
; dwExplicitInterfaceIndex : DWORD -> "int"
; pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* 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 (
	dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
	procDnsConnectionGetProxyInfoForHostUrl = dnsapi.NewProc("DnsConnectionGetProxyInfoForHostUrl")
)

// pwszHostUrl (LPCWSTR), pSelectionContext (BYTE* optional), dwSelectionContextLength (DWORD), dwExplicitInterfaceIndex (DWORD), pProxyInfoEx (DNS_CONNECTION_PROXY_INFO_EX* out)
r1, _, err := procDnsConnectionGetProxyInfoForHostUrl.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszHostUrl))),
	uintptr(pSelectionContext),
	uintptr(dwSelectionContextLength),
	uintptr(dwExplicitInterfaceIndex),
	uintptr(pProxyInfoEx),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DnsConnectionGetProxyInfoForHostUrl(
  pwszHostUrl: PWideChar;   // LPCWSTR
  pSelectionContext: Pointer;   // BYTE* optional
  dwSelectionContextLength: DWORD;   // DWORD
  dwExplicitInterfaceIndex: DWORD;   // DWORD
  pProxyInfoEx: Pointer   // DNS_CONNECTION_PROXY_INFO_EX* out
): DWORD; stdcall;
  external 'DNSAPI.dll' name 'DnsConnectionGetProxyInfoForHostUrl';

result := DllCall("DNSAPI\DnsConnectionGetProxyInfoForHostUrl"
    , "WStr", pwszHostUrl   ; LPCWSTR
    , "Ptr", pSelectionContext   ; BYTE* optional
    , "UInt", dwSelectionContextLength   ; DWORD
    , "UInt", dwExplicitInterfaceIndex   ; DWORD
    , "Ptr", pProxyInfoEx   ; DNS_CONNECTION_PROXY_INFO_EX* out
    , "UInt")   ; return: DWORD

●DnsConnectionGetProxyInfoForHostUrl(pwszHostUrl, pSelectionContext, dwSelectionContextLength, dwExplicitInterfaceIndex, pProxyInfoEx) = DLL("DNSAPI.dll", "dword DnsConnectionGetProxyInfoForHostUrl(char*, void*, dword, dword, void*)")
# 呼び出し: DnsConnectionGetProxyInfoForHostUrl(pwszHostUrl, pSelectionContext, dwSelectionContextLength, dwExplicitInterfaceIndex, pProxyInfoEx)
# pwszHostUrl : LPCWSTR -> "char*"
# pSelectionContext : BYTE* optional -> "void*"
# dwSelectionContextLength : DWORD -> "dword"
# dwExplicitInterfaceIndex : DWORD -> "dword"
# pProxyInfoEx : DNS_CONNECTION_PROXY_INFO_EX* 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)。