OfflineFilesQueryStatus

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

DWORD OfflineFilesQueryStatus(
    BOOL* pbActive,   // optional
    BOOL* pbEnabled   // optional
);

<DllImport("CSCAPI.dll", ExactSpelling:=True)>
Public Shared Function OfflineFilesQueryStatus(
    pbActive As IntPtr,   ' BOOL* optional, out
    pbEnabled As IntPtr   ' BOOL* optional, out
) As UInteger
End Function

' pbActive : BOOL* optional, out
' pbEnabled : BOOL* optional, out
Declare PtrSafe Function OfflineFilesQueryStatus Lib "cscapi" ( _
    ByVal pbActive As LongPtr, _
    ByVal pbEnabled 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

OfflineFilesQueryStatus = ctypes.windll.cscapi.OfflineFilesQueryStatus
OfflineFilesQueryStatus.restype = wintypes.DWORD
OfflineFilesQueryStatus.argtypes = [
    ctypes.c_void_p,  # pbActive : BOOL* optional, out
    ctypes.c_void_p,  # pbEnabled : BOOL* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CSCAPI.dll')
OfflineFilesQueryStatus = Fiddle::Function.new(
  lib['OfflineFilesQueryStatus'],
  [
    Fiddle::TYPE_VOIDP,  # pbActive : BOOL* optional, out
    Fiddle::TYPE_VOIDP,  # pbEnabled : BOOL* optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "cscapi")]
extern "system" {
    fn OfflineFilesQueryStatus(
        pbActive: *mut i32,  // BOOL* optional, out
        pbEnabled: *mut i32  // BOOL* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CSCAPI.dll")]
public static extern uint OfflineFilesQueryStatus(IntPtr pbActive, IntPtr pbEnabled);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CSCAPI_OfflineFilesQueryStatus' -Namespace Win32 -PassThru
# $api::OfflineFilesQueryStatus(pbActive, pbEnabled)

#uselib "CSCAPI.dll"
#func global OfflineFilesQueryStatus "OfflineFilesQueryStatus" sptr, sptr
; OfflineFilesQueryStatus pbActive, pbEnabled   ; 戻り値は stat
; pbActive : BOOL* optional, out -> "sptr"
; pbEnabled : BOOL* optional, 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。

#uselib "CSCAPI.dll"
#cfunc global OfflineFilesQueryStatus "OfflineFilesQueryStatus" int, int
; res = OfflineFilesQueryStatus(pbActive, pbEnabled)
; pbActive : BOOL* optional, out -> "int"
; pbEnabled : BOOL* optional, out -> "int"

; DWORD OfflineFilesQueryStatus(BOOL* pbActive, BOOL* pbEnabled)
#uselib "CSCAPI.dll"
#cfunc global OfflineFilesQueryStatus "OfflineFilesQueryStatus" int, int
; res = OfflineFilesQueryStatus(pbActive, pbEnabled)
; pbActive : BOOL* optional, out -> "int"
; pbEnabled : BOOL* optional, out -> "int"

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

var (
	cscapi = windows.NewLazySystemDLL("CSCAPI.dll")
	procOfflineFilesQueryStatus = cscapi.NewProc("OfflineFilesQueryStatus")
)

// pbActive (BOOL* optional, out), pbEnabled (BOOL* optional, out)
r1, _, err := procOfflineFilesQueryStatus.Call(
	uintptr(pbActive),
	uintptr(pbEnabled),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function OfflineFilesQueryStatus(
  pbActive: Pointer;   // BOOL* optional, out
  pbEnabled: Pointer   // BOOL* optional, out
): DWORD; stdcall;
  external 'CSCAPI.dll' name 'OfflineFilesQueryStatus';

result := DllCall("CSCAPI\OfflineFilesQueryStatus"
    , "Ptr", pbActive   ; BOOL* optional, out
    , "Ptr", pbEnabled   ; BOOL* optional, out
    , "UInt")   ; return: DWORD

●OfflineFilesQueryStatus(pbActive, pbEnabled) = DLL("CSCAPI.dll", "dword OfflineFilesQueryStatus(void*, void*)")
# 呼び出し: OfflineFilesQueryStatus(pbActive, pbEnabled)
# pbActive : BOOL* optional, out -> "void*"
# pbEnabled : BOOL* optional, 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)。