WldpGetLockdownPolicy

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

HRESULT WldpGetLockdownPolicy(
    WLDP_HOST_INFORMATION* hostInformation,   // optional
    DWORD* lockdownState,
    DWORD lockdownFlags
);

<DllImport("Wldp.dll", ExactSpelling:=True)>
Public Shared Function WldpGetLockdownPolicy(
    hostInformation As IntPtr,   ' WLDP_HOST_INFORMATION* optional
    <Out> ByRef lockdownState As UInteger,   ' DWORD* out
    lockdownFlags As UInteger   ' DWORD
) As Integer
End Function

' hostInformation : WLDP_HOST_INFORMATION* optional
' lockdownState : DWORD* out
' lockdownFlags : DWORD
Declare PtrSafe Function WldpGetLockdownPolicy Lib "wldp" ( _
    ByVal hostInformation As LongPtr, _
    ByRef lockdownState As Long, _
    ByVal lockdownFlags 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

WldpGetLockdownPolicy = ctypes.windll.wldp.WldpGetLockdownPolicy
WldpGetLockdownPolicy.restype = ctypes.c_int
WldpGetLockdownPolicy.argtypes = [
    ctypes.c_void_p,  # hostInformation : WLDP_HOST_INFORMATION* optional
    ctypes.POINTER(wintypes.DWORD),  # lockdownState : DWORD* out
    wintypes.DWORD,  # lockdownFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Wldp.dll')
WldpGetLockdownPolicy = Fiddle::Function.new(
  lib['WldpGetLockdownPolicy'],
  [
    Fiddle::TYPE_VOIDP,  # hostInformation : WLDP_HOST_INFORMATION* optional
    Fiddle::TYPE_VOIDP,  # lockdownState : DWORD* out
    -Fiddle::TYPE_INT,  # lockdownFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "wldp")]
extern "system" {
    fn WldpGetLockdownPolicy(
        hostInformation: *mut WLDP_HOST_INFORMATION,  // WLDP_HOST_INFORMATION* optional
        lockdownState: *mut u32,  // DWORD* out
        lockdownFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("Wldp.dll")]
public static extern int WldpGetLockdownPolicy(IntPtr hostInformation, out uint lockdownState, uint lockdownFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Wldp_WldpGetLockdownPolicy' -Namespace Win32 -PassThru
# $api::WldpGetLockdownPolicy(hostInformation, lockdownState, lockdownFlags)

#uselib "Wldp.dll"
#func global WldpGetLockdownPolicy "WldpGetLockdownPolicy" sptr, sptr, sptr
; WldpGetLockdownPolicy varptr(hostInformation), varptr(lockdownState), lockdownFlags   ; 戻り値は stat
; hostInformation : WLDP_HOST_INFORMATION* optional -> "sptr"
; lockdownState : DWORD* out -> "sptr"
; lockdownFlags : DWORD -> "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 "Wldp.dll"
#cfunc global WldpGetLockdownPolicy "WldpGetLockdownPolicy" var, var, int
; res = WldpGetLockdownPolicy(hostInformation, lockdownState, lockdownFlags)
; hostInformation : WLDP_HOST_INFORMATION* optional -> "var"
; lockdownState : DWORD* out -> "var"
; lockdownFlags : DWORD -> "int"
; ※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。

; HRESULT WldpGetLockdownPolicy(WLDP_HOST_INFORMATION* hostInformation, DWORD* lockdownState, DWORD lockdownFlags)
#uselib "Wldp.dll"
#cfunc global WldpGetLockdownPolicy "WldpGetLockdownPolicy" var, var, int
; res = WldpGetLockdownPolicy(hostInformation, lockdownState, lockdownFlags)
; hostInformation : WLDP_HOST_INFORMATION* optional -> "var"
; lockdownState : DWORD* out -> "var"
; lockdownFlags : DWORD -> "int"
; ※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 (
	wldp = windows.NewLazySystemDLL("Wldp.dll")
	procWldpGetLockdownPolicy = wldp.NewProc("WldpGetLockdownPolicy")
)

// hostInformation (WLDP_HOST_INFORMATION* optional), lockdownState (DWORD* out), lockdownFlags (DWORD)
r1, _, err := procWldpGetLockdownPolicy.Call(
	uintptr(hostInformation),
	uintptr(lockdownState),
	uintptr(lockdownFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WldpGetLockdownPolicy(
  hostInformation: Pointer;   // WLDP_HOST_INFORMATION* optional
  lockdownState: Pointer;   // DWORD* out
  lockdownFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'Wldp.dll' name 'WldpGetLockdownPolicy';

result := DllCall("Wldp\WldpGetLockdownPolicy"
    , "Ptr", hostInformation   ; WLDP_HOST_INFORMATION* optional
    , "Ptr", lockdownState   ; DWORD* out
    , "UInt", lockdownFlags   ; DWORD
    , "Int")   ; return: HRESULT

●WldpGetLockdownPolicy(hostInformation, lockdownState, lockdownFlags) = DLL("Wldp.dll", "int WldpGetLockdownPolicy(void*, void*, dword)")
# 呼び出し: WldpGetLockdownPolicy(hostInformation, lockdownState, lockdownFlags)
# hostInformation : WLDP_HOST_INFORMATION* optional -> "void*"
# lockdownState : DWORD* out -> "void*"
# lockdownFlags : DWORD -> "dword"
# 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)。