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WinHttpDetectAutoProxyConfigUrl

関数

自動プロキシ構成スクリプトのURLを自動検出する。

DLLWINHTTP.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

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

BOOL WinHttpDetectAutoProxyConfigUrl(
    DWORD dwAutoDetectFlags,
    LPWSTR* ppwstrAutoConfigUrl
);

パラメーター

名前	型	方向
dwAutoDetectFlags	DWORD	in
ppwstrAutoConfigUrl	LPWSTR*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL WinHttpDetectAutoProxyConfigUrl(
    DWORD dwAutoDetectFlags,
    LPWSTR* ppwstrAutoConfigUrl
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINHTTP.dll", SetLastError = true, ExactSpelling = true)]
static extern bool WinHttpDetectAutoProxyConfigUrl(
    uint dwAutoDetectFlags,   // DWORD
    IntPtr ppwstrAutoConfigUrl   // LPWSTR* out
);

<DllImport("WINHTTP.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinHttpDetectAutoProxyConfigUrl(
    dwAutoDetectFlags As UInteger,   ' DWORD
    ppwstrAutoConfigUrl As IntPtr   ' LPWSTR* out
) As Boolean
End Function

' dwAutoDetectFlags : DWORD
' ppwstrAutoConfigUrl : LPWSTR* out
Declare PtrSafe Function WinHttpDetectAutoProxyConfigUrl Lib "winhttp" ( _
    ByVal dwAutoDetectFlags As Long, _
    ByVal ppwstrAutoConfigUrl 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

WinHttpDetectAutoProxyConfigUrl = ctypes.windll.winhttp.WinHttpDetectAutoProxyConfigUrl
WinHttpDetectAutoProxyConfigUrl.restype = wintypes.BOOL
WinHttpDetectAutoProxyConfigUrl.argtypes = [
    wintypes.DWORD,  # dwAutoDetectFlags : DWORD
    ctypes.c_void_p,  # ppwstrAutoConfigUrl : LPWSTR* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpDetectAutoProxyConfigUrl = Fiddle::Function.new(
  lib['WinHttpDetectAutoProxyConfigUrl'],
  [
    -Fiddle::TYPE_INT,  # dwAutoDetectFlags : DWORD
    Fiddle::TYPE_VOIDP,  # ppwstrAutoConfigUrl : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winhttp")]
extern "system" {
    fn WinHttpDetectAutoProxyConfigUrl(
        dwAutoDetectFlags: u32,  // DWORD
        ppwstrAutoConfigUrl: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINHTTP.dll", SetLastError = true)]
public static extern bool WinHttpDetectAutoProxyConfigUrl(uint dwAutoDetectFlags, IntPtr ppwstrAutoConfigUrl);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINHTTP_WinHttpDetectAutoProxyConfigUrl' -Namespace Win32 -PassThru
# $api::WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)

#uselib "WINHTTP.dll"
#func global WinHttpDetectAutoProxyConfigUrl "WinHttpDetectAutoProxyConfigUrl" sptr, sptr
; WinHttpDetectAutoProxyConfigUrl dwAutoDetectFlags, varptr(ppwstrAutoConfigUrl)   ; 戻り値は stat
; dwAutoDetectFlags : DWORD -> "sptr"
; ppwstrAutoConfigUrl : LPWSTR* 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 "WINHTTP.dll"
#cfunc global WinHttpDetectAutoProxyConfigUrl "WinHttpDetectAutoProxyConfigUrl" int, var
; res = WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)
; dwAutoDetectFlags : DWORD -> "int"
; ppwstrAutoConfigUrl : LPWSTR* 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 "WINHTTP.dll"
#cfunc global WinHttpDetectAutoProxyConfigUrl "WinHttpDetectAutoProxyConfigUrl" int, sptr
; res = WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, varptr(ppwstrAutoConfigUrl))
; dwAutoDetectFlags : DWORD -> "int"
; ppwstrAutoConfigUrl : LPWSTR* 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:

; BOOL WinHttpDetectAutoProxyConfigUrl(DWORD dwAutoDetectFlags, LPWSTR* ppwstrAutoConfigUrl)
#uselib "WINHTTP.dll"
#cfunc global WinHttpDetectAutoProxyConfigUrl "WinHttpDetectAutoProxyConfigUrl" int, var
; res = WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)
; dwAutoDetectFlags : DWORD -> "int"
; ppwstrAutoConfigUrl : LPWSTR* 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。; BOOL WinHttpDetectAutoProxyConfigUrl(DWORD dwAutoDetectFlags, LPWSTR* ppwstrAutoConfigUrl)
#uselib "WINHTTP.dll"
#cfunc global WinHttpDetectAutoProxyConfigUrl "WinHttpDetectAutoProxyConfigUrl" int, intptr
; res = WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, varptr(ppwstrAutoConfigUrl))
; dwAutoDetectFlags : DWORD -> "int"
; ppwstrAutoConfigUrl : LPWSTR* 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 (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpDetectAutoProxyConfigUrl = winhttp.NewProc("WinHttpDetectAutoProxyConfigUrl")
)

// dwAutoDetectFlags (DWORD), ppwstrAutoConfigUrl (LPWSTR* out)
r1, _, err := procWinHttpDetectAutoProxyConfigUrl.Call(
	uintptr(dwAutoDetectFlags),
	uintptr(ppwstrAutoConfigUrl),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WinHttpDetectAutoProxyConfigUrl(
  dwAutoDetectFlags: DWORD;   // DWORD
  ppwstrAutoConfigUrl: PPWideChar   // LPWSTR* out
): BOOL; stdcall;
  external 'WINHTTP.dll' name 'WinHttpDetectAutoProxyConfigUrl';

result := DllCall("WINHTTP\WinHttpDetectAutoProxyConfigUrl"
    , "UInt", dwAutoDetectFlags   ; DWORD
    , "Ptr", ppwstrAutoConfigUrl   ; LPWSTR* out
    , "Int")   ; return: BOOL

●WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl) = DLL("WINHTTP.dll", "bool WinHttpDetectAutoProxyConfigUrl(dword, void*)")
# 呼び出し: WinHttpDetectAutoProxyConfigUrl(dwAutoDetectFlags, ppwstrAutoConfigUrl)
# dwAutoDetectFlags : DWORD -> "dword"
# ppwstrAutoConfigUrl : LPWSTR* 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)。