SetUrlCacheGroupAttributeW

// WININET.dll  (Unicode / -W)
#include <windows.h>

BOOL SetUrlCacheGroupAttributeW(
    LONGLONG gid,
    DWORD dwFlags,   // optional
    DWORD dwAttributes,
    INTERNET_CACHE_GROUP_INFOW* lpGroupInfo,
    void* lpReserved   // optional
);

<DllImport("WININET.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetUrlCacheGroupAttributeW(
    gid As Long,   ' LONGLONG
    dwFlags As UInteger,   ' DWORD optional
    dwAttributes As UInteger,   ' DWORD
    lpGroupInfo As IntPtr,   ' INTERNET_CACHE_GROUP_INFOW*
    lpReserved As IntPtr   ' void* optional
) As Boolean
End Function

' gid : LONGLONG
' dwFlags : DWORD optional
' dwAttributes : DWORD
' lpGroupInfo : INTERNET_CACHE_GROUP_INFOW*
' lpReserved : void* optional
Declare PtrSafe Function SetUrlCacheGroupAttributeW Lib "wininet" ( _
    ByVal gid As LongLong, _
    ByVal dwFlags As Long, _
    ByVal dwAttributes As Long, _
    ByVal lpGroupInfo As LongPtr, _
    ByVal lpReserved As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetUrlCacheGroupAttributeW = ctypes.windll.wininet.SetUrlCacheGroupAttributeW
SetUrlCacheGroupAttributeW.restype = wintypes.BOOL
SetUrlCacheGroupAttributeW.argtypes = [
    ctypes.c_longlong,  # gid : LONGLONG
    wintypes.DWORD,  # dwFlags : DWORD optional
    wintypes.DWORD,  # dwAttributes : DWORD
    ctypes.c_void_p,  # lpGroupInfo : INTERNET_CACHE_GROUP_INFOW*
    ctypes.POINTER(None),  # lpReserved : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
SetUrlCacheGroupAttributeW = Fiddle::Function.new(
  lib['SetUrlCacheGroupAttributeW'],
  [
    Fiddle::TYPE_LONG_LONG,  # gid : LONGLONG
    -Fiddle::TYPE_INT,  # dwFlags : DWORD optional
    -Fiddle::TYPE_INT,  # dwAttributes : DWORD
    Fiddle::TYPE_VOIDP,  # lpGroupInfo : INTERNET_CACHE_GROUP_INFOW*
    Fiddle::TYPE_VOIDP,  # lpReserved : void* optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "wininet")]
extern "system" {
    fn SetUrlCacheGroupAttributeW(
        gid: i64,  // LONGLONG
        dwFlags: u32,  // DWORD optional
        dwAttributes: u32,  // DWORD
        lpGroupInfo: *mut INTERNET_CACHE_GROUP_INFOW,  // INTERNET_CACHE_GROUP_INFOW*
        lpReserved: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool SetUrlCacheGroupAttributeW(long gid, uint dwFlags, uint dwAttributes, IntPtr lpGroupInfo, IntPtr lpReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_SetUrlCacheGroupAttributeW' -Namespace Win32 -PassThru
# $api::SetUrlCacheGroupAttributeW(gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved)

#uselib "WININET.dll"
#func global SetUrlCacheGroupAttributeW "SetUrlCacheGroupAttributeW" wptr, wptr, wptr, wptr, wptr
; SetUrlCacheGroupAttributeW gid, dwFlags, dwAttributes, varptr(lpGroupInfo), lpReserved   ; 戻り値は stat
; gid : LONGLONG -> "wptr"
; dwFlags : DWORD optional -> "wptr"
; dwAttributes : DWORD -> "wptr"
; lpGroupInfo : INTERNET_CACHE_GROUP_INFOW* -> "wptr"
; lpReserved : void* optional -> "wptr"
; ※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 "WININET.dll"
#cfunc global SetUrlCacheGroupAttributeW "SetUrlCacheGroupAttributeW" int64, int, int, var, sptr
; res = SetUrlCacheGroupAttributeW(gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved)
; gid : LONGLONG -> "int64"
; dwFlags : DWORD optional -> "int"
; dwAttributes : DWORD -> "int"
; lpGroupInfo : INTERNET_CACHE_GROUP_INFOW* -> "var"
; lpReserved : void* optional -> "sptr"
; ※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)。

; BOOL SetUrlCacheGroupAttributeW(LONGLONG gid, DWORD dwFlags, DWORD dwAttributes, INTERNET_CACHE_GROUP_INFOW* lpGroupInfo, void* lpReserved)
#uselib "WININET.dll"
#cfunc global SetUrlCacheGroupAttributeW "SetUrlCacheGroupAttributeW" int64, int, int, var, intptr
; res = SetUrlCacheGroupAttributeW(gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved)
; gid : LONGLONG -> "int64"
; dwFlags : DWORD optional -> "int"
; dwAttributes : DWORD -> "int"
; lpGroupInfo : INTERNET_CACHE_GROUP_INFOW* -> "var"
; lpReserved : void* optional -> "intptr"
; ※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 (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procSetUrlCacheGroupAttributeW = wininet.NewProc("SetUrlCacheGroupAttributeW")
)

// gid (LONGLONG), dwFlags (DWORD optional), dwAttributes (DWORD), lpGroupInfo (INTERNET_CACHE_GROUP_INFOW*), lpReserved (void* optional)
r1, _, err := procSetUrlCacheGroupAttributeW.Call(
	uintptr(gid),
	uintptr(dwFlags),
	uintptr(dwAttributes),
	uintptr(lpGroupInfo),
	uintptr(lpReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetUrlCacheGroupAttributeW(
  gid: Int64;   // LONGLONG
  dwFlags: DWORD;   // DWORD optional
  dwAttributes: DWORD;   // DWORD
  lpGroupInfo: Pointer;   // INTERNET_CACHE_GROUP_INFOW*
  lpReserved: Pointer   // void* optional
): BOOL; stdcall;
  external 'WININET.dll' name 'SetUrlCacheGroupAttributeW';

result := DllCall("WININET\SetUrlCacheGroupAttributeW"
    , "Int64", gid   ; LONGLONG
    , "UInt", dwFlags   ; DWORD optional
    , "UInt", dwAttributes   ; DWORD
    , "Ptr", lpGroupInfo   ; INTERNET_CACHE_GROUP_INFOW*
    , "Ptr", lpReserved   ; void* optional
    , "Int")   ; return: BOOL

●SetUrlCacheGroupAttributeW(gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved) = DLL("WININET.dll", "bool SetUrlCacheGroupAttributeW(int64, dword, dword, void*, void*)")
# 呼び出し: SetUrlCacheGroupAttributeW(gid, dwFlags, dwAttributes, lpGroupInfo, lpReserved)
# gid : LONGLONG -> "int64"
# dwFlags : DWORD optional -> "dword"
# dwAttributes : DWORD -> "dword"
# lpGroupInfo : INTERNET_CACHE_GROUP_INFOW* -> "void*"
# lpReserved : void* optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。