WMIsContentProtected

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

HRESULT WMIsContentProtected(
    LPCWSTR pwszFileName,
    BOOL* pfIsProtected
);

<DllImport("WMVCore.dll", ExactSpelling:=True)>
Public Shared Function WMIsContentProtected(
    <MarshalAs(UnmanagedType.LPWStr)> pwszFileName As String,   ' LPCWSTR
    ByRef pfIsProtected As Integer   ' BOOL* in/out
) As Integer
End Function

' pwszFileName : LPCWSTR
' pfIsProtected : BOOL* in/out
Declare PtrSafe Function WMIsContentProtected Lib "wmvcore" ( _
    ByVal pwszFileName As LongPtr, _
    ByRef pfIsProtected 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

WMIsContentProtected = ctypes.windll.wmvcore.WMIsContentProtected
WMIsContentProtected.restype = ctypes.c_int
WMIsContentProtected.argtypes = [
    wintypes.LPCWSTR,  # pwszFileName : LPCWSTR
    ctypes.c_void_p,  # pfIsProtected : BOOL* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WMVCore.dll')
WMIsContentProtected = Fiddle::Function.new(
  lib['WMIsContentProtected'],
  [
    Fiddle::TYPE_VOIDP,  # pwszFileName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pfIsProtected : BOOL* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wmvcore")]
extern "system" {
    fn WMIsContentProtected(
        pwszFileName: *const u16,  // LPCWSTR
        pfIsProtected: *mut i32  // BOOL* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WMVCore.dll")]
public static extern int WMIsContentProtected([MarshalAs(UnmanagedType.LPWStr)] string pwszFileName, ref int pfIsProtected);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WMVCore_WMIsContentProtected' -Namespace Win32 -PassThru
# $api::WMIsContentProtected(pwszFileName, pfIsProtected)

#uselib "WMVCore.dll"
#func global WMIsContentProtected "WMIsContentProtected" sptr, sptr
; WMIsContentProtected pwszFileName, pfIsProtected   ; 戻り値は stat
; pwszFileName : LPCWSTR -> "sptr"
; pfIsProtected : BOOL* in/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 "WMVCore.dll"
#cfunc global WMIsContentProtected "WMIsContentProtected" wstr, int
; res = WMIsContentProtected(pwszFileName, pfIsProtected)
; pwszFileName : LPCWSTR -> "wstr"
; pfIsProtected : BOOL* in/out -> "int"

; HRESULT WMIsContentProtected(LPCWSTR pwszFileName, BOOL* pfIsProtected)
#uselib "WMVCore.dll"
#cfunc global WMIsContentProtected "WMIsContentProtected" wstr, int
; res = WMIsContentProtected(pwszFileName, pfIsProtected)
; pwszFileName : LPCWSTR -> "wstr"
; pfIsProtected : BOOL* in/out -> "int"

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

var (
	wmvcore = windows.NewLazySystemDLL("WMVCore.dll")
	procWMIsContentProtected = wmvcore.NewProc("WMIsContentProtected")
)

// pwszFileName (LPCWSTR), pfIsProtected (BOOL* in/out)
r1, _, err := procWMIsContentProtected.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszFileName))),
	uintptr(pfIsProtected),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WMIsContentProtected(
  pwszFileName: PWideChar;   // LPCWSTR
  pfIsProtected: Pointer   // BOOL* in/out
): Integer; stdcall;
  external 'WMVCore.dll' name 'WMIsContentProtected';

result := DllCall("WMVCore\WMIsContentProtected"
    , "WStr", pwszFileName   ; LPCWSTR
    , "Ptr", pfIsProtected   ; BOOL* in/out
    , "Int")   ; return: HRESULT

●WMIsContentProtected(pwszFileName, pfIsProtected) = DLL("WMVCore.dll", "int WMIsContentProtected(char*, void*)")
# 呼び出し: WMIsContentProtected(pwszFileName, pfIsProtected)
# pwszFileName : LPCWSTR -> "char*"
# pfIsProtected : BOOL* 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)。