WinHttpQueryConnectionGroup

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

DWORD WinHttpQueryConnectionGroup(
    void* hInternet,
    const GUID* pGuidConnection,   // optional
    ULONGLONG ullFlags,
    WINHTTP_QUERY_CONNECTION_GROUP_RESULT** ppResult
);

<DllImport("WINHTTP.dll", ExactSpelling:=True)>
Public Shared Function WinHttpQueryConnectionGroup(
    hInternet As IntPtr,   ' void*
    pGuidConnection As IntPtr,   ' GUID* optional
    ullFlags As ULong,   ' ULONGLONG
    ppResult As IntPtr   ' WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out
) As UInteger
End Function

' hInternet : void*
' pGuidConnection : GUID* optional
' ullFlags : ULONGLONG
' ppResult : WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out
Declare PtrSafe Function WinHttpQueryConnectionGroup Lib "winhttp" ( _
    ByVal hInternet As LongPtr, _
    ByVal pGuidConnection As LongPtr, _
    ByVal ullFlags As LongLong, _
    ByVal ppResult 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

WinHttpQueryConnectionGroup = ctypes.windll.winhttp.WinHttpQueryConnectionGroup
WinHttpQueryConnectionGroup.restype = wintypes.DWORD
WinHttpQueryConnectionGroup.argtypes = [
    ctypes.POINTER(None),  # hInternet : void*
    ctypes.c_void_p,  # pGuidConnection : GUID* optional
    ctypes.c_ulonglong,  # ullFlags : ULONGLONG
    ctypes.c_void_p,  # ppResult : WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpQueryConnectionGroup = Fiddle::Function.new(
  lib['WinHttpQueryConnectionGroup'],
  [
    Fiddle::TYPE_VOIDP,  # hInternet : void*
    Fiddle::TYPE_VOIDP,  # pGuidConnection : GUID* optional
    -Fiddle::TYPE_LONG_LONG,  # ullFlags : ULONGLONG
    Fiddle::TYPE_VOIDP,  # ppResult : WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winhttp")]
extern "system" {
    fn WinHttpQueryConnectionGroup(
        hInternet: *mut (),  // void*
        pGuidConnection: *const GUID,  // GUID* optional
        ullFlags: u64,  // ULONGLONG
        ppResult: *mut *mut WINHTTP_QUERY_CONNECTION_GROUP_RESULT  // WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINHTTP.dll")]
public static extern uint WinHttpQueryConnectionGroup(IntPtr hInternet, IntPtr pGuidConnection, ulong ullFlags, IntPtr ppResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINHTTP_WinHttpQueryConnectionGroup' -Namespace Win32 -PassThru
# $api::WinHttpQueryConnectionGroup(hInternet, pGuidConnection, ullFlags, ppResult)

#uselib "WINHTTP.dll"
#func global WinHttpQueryConnectionGroup "WinHttpQueryConnectionGroup" sptr, sptr, sptr, sptr
; WinHttpQueryConnectionGroup hInternet, varptr(pGuidConnection), ullFlags, varptr(ppResult)   ; 戻り値は stat
; hInternet : void* -> "sptr"
; pGuidConnection : GUID* optional -> "sptr"
; ullFlags : ULONGLONG -> "sptr"
; ppResult : WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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。

#uselib "WINHTTP.dll"
#cfunc global WinHttpQueryConnectionGroup "WinHttpQueryConnectionGroup" sptr, var, int64, var
; res = WinHttpQueryConnectionGroup(hInternet, pGuidConnection, ullFlags, ppResult)
; hInternet : void* -> "sptr"
; pGuidConnection : GUID* optional -> "var"
; ullFlags : ULONGLONG -> "int64"
; ppResult : WINHTTP_QUERY_CONNECTION_GROUP_RESULT** 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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

; DWORD WinHttpQueryConnectionGroup(void* hInternet, GUID* pGuidConnection, ULONGLONG ullFlags, WINHTTP_QUERY_CONNECTION_GROUP_RESULT** ppResult)
#uselib "WINHTTP.dll"
#cfunc global WinHttpQueryConnectionGroup "WinHttpQueryConnectionGroup" intptr, var, int64, var
; res = WinHttpQueryConnectionGroup(hInternet, pGuidConnection, ullFlags, ppResult)
; hInternet : void* -> "intptr"
; pGuidConnection : GUID* optional -> "var"
; ullFlags : ULONGLONG -> "int64"
; ppResult : WINHTTP_QUERY_CONNECTION_GROUP_RESULT** 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。

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

var (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpQueryConnectionGroup = winhttp.NewProc("WinHttpQueryConnectionGroup")
)

// hInternet (void*), pGuidConnection (GUID* optional), ullFlags (ULONGLONG), ppResult (WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out)
r1, _, err := procWinHttpQueryConnectionGroup.Call(
	uintptr(hInternet),
	uintptr(pGuidConnection),
	uintptr(ullFlags),
	uintptr(ppResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WinHttpQueryConnectionGroup(
  hInternet: Pointer;   // void*
  pGuidConnection: PGUID;   // GUID* optional
  ullFlags: UInt64;   // ULONGLONG
  ppResult: Pointer   // WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out
): DWORD; stdcall;
  external 'WINHTTP.dll' name 'WinHttpQueryConnectionGroup';

result := DllCall("WINHTTP\WinHttpQueryConnectionGroup"
    , "Ptr", hInternet   ; void*
    , "Ptr", pGuidConnection   ; GUID* optional
    , "Int64", ullFlags   ; ULONGLONG
    , "Ptr", ppResult   ; WINHTTP_QUERY_CONNECTION_GROUP_RESULT** in/out
    , "UInt")   ; return: DWORD

●WinHttpQueryConnectionGroup(hInternet, pGuidConnection, ullFlags, ppResult) = DLL("WINHTTP.dll", "dword WinHttpQueryConnectionGroup(void*, void*, qword, void*)")
# 呼び出し: WinHttpQueryConnectionGroup(hInternet, pGuidConnection, ullFlags, ppResult)
# hInternet : void* -> "void*"
# pGuidConnection : GUID* optional -> "void*"
# ullFlags : ULONGLONG -> "qword"
# ppResult : WINHTTP_QUERY_CONNECTION_GROUP_RESULT** 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)。