GetFeatureEnabledState

// api-ms-win-core-featurestaging-l1-1-0.dll
#include <windows.h>

FEATURE_ENABLED_STATE GetFeatureEnabledState(
    DWORD featureId,
    FEATURE_CHANGE_TIME changeTime
);

<DllImport("api-ms-win-core-featurestaging-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function GetFeatureEnabledState(
    featureId As UInteger,   ' DWORD
    changeTime As Integer   ' FEATURE_CHANGE_TIME
) As Integer
End Function

' featureId : DWORD
' changeTime : FEATURE_CHANGE_TIME
Declare PtrSafe Function GetFeatureEnabledState Lib "api-ms-win-core-featurestaging-l1-1-0" ( _
    ByVal featureId As Long, _
    ByVal changeTime As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetFeatureEnabledState = ctypes.windll.LoadLibrary("api-ms-win-core-featurestaging-l1-1-0.dll").GetFeatureEnabledState
GetFeatureEnabledState.restype = ctypes.c_int
GetFeatureEnabledState.argtypes = [
    wintypes.DWORD,  # featureId : DWORD
    ctypes.c_int,  # changeTime : FEATURE_CHANGE_TIME
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-featurestaging-l1-1-0.dll')
GetFeatureEnabledState = Fiddle::Function.new(
  lib['GetFeatureEnabledState'],
  [
    -Fiddle::TYPE_INT,  # featureId : DWORD
    Fiddle::TYPE_INT,  # changeTime : FEATURE_CHANGE_TIME
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-featurestaging-l1-1-0")]
extern "system" {
    fn GetFeatureEnabledState(
        featureId: u32,  // DWORD
        changeTime: i32  // FEATURE_CHANGE_TIME
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-featurestaging-l1-1-0.dll")]
public static extern int GetFeatureEnabledState(uint featureId, int changeTime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-featurestaging-l1-1-0_GetFeatureEnabledState' -Namespace Win32 -PassThru
# $api::GetFeatureEnabledState(featureId, changeTime)

#uselib "api-ms-win-core-featurestaging-l1-1-0.dll"
#func global GetFeatureEnabledState "GetFeatureEnabledState" sptr, sptr
; GetFeatureEnabledState featureId, changeTime   ; 戻り値は stat
; featureId : DWORD -> "sptr"
; changeTime : FEATURE_CHANGE_TIME -> "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 "api-ms-win-core-featurestaging-l1-1-0.dll"
#cfunc global GetFeatureEnabledState "GetFeatureEnabledState" int, int
; res = GetFeatureEnabledState(featureId, changeTime)
; featureId : DWORD -> "int"
; changeTime : FEATURE_CHANGE_TIME -> "int"

; FEATURE_ENABLED_STATE GetFeatureEnabledState(DWORD featureId, FEATURE_CHANGE_TIME changeTime)
#uselib "api-ms-win-core-featurestaging-l1-1-0.dll"
#cfunc global GetFeatureEnabledState "GetFeatureEnabledState" int, int
; res = GetFeatureEnabledState(featureId, changeTime)
; featureId : DWORD -> "int"
; changeTime : FEATURE_CHANGE_TIME -> "int"

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

var (
	api_ms_win_core_featurestaging_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-featurestaging-l1-1-0.dll")
	procGetFeatureEnabledState = api_ms_win_core_featurestaging_l1_1_0.NewProc("GetFeatureEnabledState")
)

// featureId (DWORD), changeTime (FEATURE_CHANGE_TIME)
r1, _, err := procGetFeatureEnabledState.Call(
	uintptr(featureId),
	uintptr(changeTime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // FEATURE_ENABLED_STATE

function GetFeatureEnabledState(
  featureId: DWORD;   // DWORD
  changeTime: Integer   // FEATURE_CHANGE_TIME
): Integer; stdcall;
  external 'api-ms-win-core-featurestaging-l1-1-0.dll' name 'GetFeatureEnabledState';

result := DllCall("api-ms-win-core-featurestaging-l1-1-0\GetFeatureEnabledState"
    , "UInt", featureId   ; DWORD
    , "Int", changeTime   ; FEATURE_CHANGE_TIME
    , "Int")   ; return: FEATURE_ENABLED_STATE

●GetFeatureEnabledState(featureId, changeTime) = DLL("api-ms-win-core-featurestaging-l1-1-0.dll", "int GetFeatureEnabledState(dword, int)")
# 呼び出し: GetFeatureEnabledState(featureId, changeTime)
# featureId : DWORD -> "dword"
# changeTime : FEATURE_CHANGE_TIME -> "int"
# 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)。