Win32 API 日本語リファレンス
ホーム › Data.RightsManagement › DRMLoadLibrary

DRMLoadLibrary

関数
RMS環境にプラグインライブラリを読み込む。
DLLmsdrm.dll呼出規約winapi
📘 Microsoft Learn (日本語) · English

シグネチャ

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

HRESULT DRMLoadLibrary(
    DWORD hEnv,
    DRMSPECTYPE eSpecification,
    LPWSTR wszLibraryProvider,
    LPWSTR wszCredentials,   // optional
    DWORD* phLibrary
);

パラメーター

名前型方向説明
hEnvDWORDin対象の環境ハンドル。DRMInitEnvironmentで取得したもの。
eSpecificationDRMSPECTYPEinライブラリの仕様種別を示すDRMSPECTYPE。
wszLibraryProviderLPWSTRin読み込むライブラリプロバイダー名を示すUnicode文字列。
wszCredentialsLPWSTRinoptionalライブラリ読み込みに用いる資格情報を示すUnicode文字列。
phLibraryDWORD*inout読み込んだライブラリのハンドルを受け取る出力先。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DRMLoadLibrary(
    DWORD hEnv,
    DRMSPECTYPE eSpecification,
    LPWSTR wszLibraryProvider,
    LPWSTR wszCredentials,   // optional
    DWORD* phLibrary
);
[DllImport("msdrm.dll", ExactSpelling = true)]
static extern int DRMLoadLibrary(
    uint hEnv,   // DWORD
    int eSpecification,   // DRMSPECTYPE
    [MarshalAs(UnmanagedType.LPWStr)] string wszLibraryProvider,   // LPWSTR
    [MarshalAs(UnmanagedType.LPWStr)] string wszCredentials,   // LPWSTR optional
    ref uint phLibrary   // DWORD* in/out
);
<DllImport("msdrm.dll", ExactSpelling:=True)>
Public Shared Function DRMLoadLibrary(
    hEnv As UInteger,   ' DWORD
    eSpecification As Integer,   ' DRMSPECTYPE
    <MarshalAs(UnmanagedType.LPWStr)> wszLibraryProvider As String,   ' LPWSTR
    <MarshalAs(UnmanagedType.LPWStr)> wszCredentials As String,   ' LPWSTR optional
    ByRef phLibrary As UInteger   ' DWORD* in/out
) As Integer
End Function
' hEnv : DWORD
' eSpecification : DRMSPECTYPE
' wszLibraryProvider : LPWSTR
' wszCredentials : LPWSTR optional
' phLibrary : DWORD* in/out
Declare PtrSafe Function DRMLoadLibrary Lib "msdrm" ( _
    ByVal hEnv As Long, _
    ByVal eSpecification As Long, _
    ByVal wszLibraryProvider As LongPtr, _
    ByVal wszCredentials As LongPtr, _
    ByRef phLibrary 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

DRMLoadLibrary = ctypes.windll.msdrm.DRMLoadLibrary
DRMLoadLibrary.restype = ctypes.c_int
DRMLoadLibrary.argtypes = [
    wintypes.DWORD,  # hEnv : DWORD
    ctypes.c_int,  # eSpecification : DRMSPECTYPE
    wintypes.LPCWSTR,  # wszLibraryProvider : LPWSTR
    wintypes.LPCWSTR,  # wszCredentials : LPWSTR optional
    ctypes.POINTER(wintypes.DWORD),  # phLibrary : DWORD* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdrm.dll')
DRMLoadLibrary = Fiddle::Function.new(
  lib['DRMLoadLibrary'],
  [
    -Fiddle::TYPE_INT,  # hEnv : DWORD
    Fiddle::TYPE_INT,  # eSpecification : DRMSPECTYPE
    Fiddle::TYPE_VOIDP,  # wszLibraryProvider : LPWSTR
    Fiddle::TYPE_VOIDP,  # wszCredentials : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # phLibrary : DWORD* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "msdrm")]
extern "system" {
    fn DRMLoadLibrary(
        hEnv: u32,  // DWORD
        eSpecification: i32,  // DRMSPECTYPE
        wszLibraryProvider: *mut u16,  // LPWSTR
        wszCredentials: *mut u16,  // LPWSTR optional
        phLibrary: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("msdrm.dll")]
public static extern int DRMLoadLibrary(uint hEnv, int eSpecification, [MarshalAs(UnmanagedType.LPWStr)] string wszLibraryProvider, [MarshalAs(UnmanagedType.LPWStr)] string wszCredentials, ref uint phLibrary);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdrm_DRMLoadLibrary' -Namespace Win32 -PassThru
# $api::DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary)
#uselib "msdrm.dll"
#func global DRMLoadLibrary "DRMLoadLibrary" sptr, sptr, sptr, sptr, sptr
; DRMLoadLibrary hEnv, eSpecification, wszLibraryProvider, wszCredentials, varptr(phLibrary)   ; 戻り値は stat
; hEnv : DWORD -> "sptr"
; eSpecification : DRMSPECTYPE -> "sptr"
; wszLibraryProvider : LPWSTR -> "sptr"
; wszCredentials : LPWSTR optional -> "sptr"
; phLibrary : DWORD* 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。
出力引数: 
#uselib "msdrm.dll"
#cfunc global DRMLoadLibrary "DRMLoadLibrary" int, int, wstr, wstr, var
; res = DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary)
; hEnv : DWORD -> "int"
; eSpecification : DRMSPECTYPE -> "int"
; wszLibraryProvider : LPWSTR -> "wstr"
; wszCredentials : LPWSTR optional -> "wstr"
; phLibrary : DWORD* in/out -> "var"
; ※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。
出力引数: 
; HRESULT DRMLoadLibrary(DWORD hEnv, DRMSPECTYPE eSpecification, LPWSTR wszLibraryProvider, LPWSTR wszCredentials, DWORD* phLibrary)
#uselib "msdrm.dll"
#cfunc global DRMLoadLibrary "DRMLoadLibrary" int, int, wstr, wstr, var
; res = DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary)
; hEnv : DWORD -> "int"
; eSpecification : DRMSPECTYPE -> "int"
; wszLibraryProvider : LPWSTR -> "wstr"
; wszCredentials : LPWSTR optional -> "wstr"
; phLibrary : DWORD* in/out -> "var"
; ※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 (
	msdrm = windows.NewLazySystemDLL("msdrm.dll")
	procDRMLoadLibrary = msdrm.NewProc("DRMLoadLibrary")
)

// hEnv (DWORD), eSpecification (DRMSPECTYPE), wszLibraryProvider (LPWSTR), wszCredentials (LPWSTR optional), phLibrary (DWORD* in/out)
r1, _, err := procDRMLoadLibrary.Call(
	uintptr(hEnv),
	uintptr(eSpecification),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszLibraryProvider))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszCredentials))),
	uintptr(phLibrary),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function DRMLoadLibrary(
  hEnv: DWORD;   // DWORD
  eSpecification: Integer;   // DRMSPECTYPE
  wszLibraryProvider: PWideChar;   // LPWSTR
  wszCredentials: PWideChar;   // LPWSTR optional
  phLibrary: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMLoadLibrary';
result := DllCall("msdrm\DRMLoadLibrary"
    , "UInt", hEnv   ; DWORD
    , "Int", eSpecification   ; DRMSPECTYPE
    , "WStr", wszLibraryProvider   ; LPWSTR
    , "WStr", wszCredentials   ; LPWSTR optional
    , "Ptr", phLibrary   ; DWORD* in/out
    , "Int")   ; return: HRESULT
●DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary) = DLL("msdrm.dll", "int DRMLoadLibrary(dword, int, char*, char*, void*)")
# 呼び出し: DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary)
# hEnv : DWORD -> "dword"
# eSpecification : DRMSPECTYPE -> "int"
# wszLibraryProvider : LPWSTR -> "char*"
# wszCredentials : LPWSTR optional -> "char*"
# phLibrary : DWORD* 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)。
const std = @import("std");

extern "msdrm" fn DRMLoadLibrary(
    hEnv: u32, // DWORD
    eSpecification: i32, // DRMSPECTYPE
    wszLibraryProvider: [*c]const u16, // LPWSTR
    wszCredentials: [*c]const u16, // LPWSTR optional
    phLibrary: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;
proc DRMLoadLibrary(
    hEnv: uint32,  # DWORD
    eSpecification: int32,  # DRMSPECTYPE
    wszLibraryProvider: WideCString,  # LPWSTR
    wszCredentials: WideCString,  # LPWSTR optional
    phLibrary: ptr uint32  # DWORD* in/out
): int32 {.importc: "DRMLoadLibrary", stdcall, dynlib: "msdrm.dll".}
pragma(lib, "msdrm");
extern(Windows)
int DRMLoadLibrary(
    uint hEnv,   // DWORD
    int eSpecification,   // DRMSPECTYPE
    const(wchar)* wszLibraryProvider,   // LPWSTR
    const(wchar)* wszCredentials,   // LPWSTR optional
    uint* phLibrary   // DWORD* in/out
);
ccall((:DRMLoadLibrary, "msdrm.dll"), stdcall, Int32,
      (UInt32, Int32, Cwstring, Cwstring, Ptr{UInt32}),
      hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary)
# hEnv : DWORD -> UInt32
# eSpecification : DRMSPECTYPE -> Int32
# wszLibraryProvider : LPWSTR -> Cwstring
# wszCredentials : LPWSTR optional -> Cwstring
# phLibrary : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t DRMLoadLibrary(
    uint32_t hEnv,
    int32_t eSpecification,
    const uint16_t* wszLibraryProvider,
    const uint16_t* wszCredentials,
    uint32_t* phLibrary);
]]
local msdrm = ffi.load("msdrm")
-- msdrm.DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary)
-- hEnv : DWORD
-- eSpecification : DRMSPECTYPE
-- wszLibraryProvider : LPWSTR
-- wszCredentials : LPWSTR optional
-- phLibrary : DWORD* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('msdrm.dll');
const DRMLoadLibrary = lib.func('__stdcall', 'DRMLoadLibrary', 'int32_t', ['uint32_t', 'int32_t', 'str16', 'str16', 'uint32_t *']);
// DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary)
// hEnv : DWORD -> 'uint32_t'
// eSpecification : DRMSPECTYPE -> 'int32_t'
// wszLibraryProvider : LPWSTR -> 'str16'
// wszCredentials : LPWSTR optional -> 'str16'
// phLibrary : DWORD* in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("msdrm.dll", {
  DRMLoadLibrary: { parameters: ["u32", "i32", "buffer", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary)
// hEnv : DWORD -> "u32"
// eSpecification : DRMSPECTYPE -> "i32"
// wszLibraryProvider : LPWSTR -> "buffer"
// wszCredentials : LPWSTR optional -> "buffer"
// phLibrary : DWORD* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t DRMLoadLibrary(
    uint32_t hEnv,
    int32_t eSpecification,
    const uint16_t* wszLibraryProvider,
    const uint16_t* wszCredentials,
    uint32_t* phLibrary);
C, "msdrm.dll");
// $ffi->DRMLoadLibrary(hEnv, eSpecification, wszLibraryProvider, wszCredentials, phLibrary);
// hEnv : DWORD
// eSpecification : DRMSPECTYPE
// wszLibraryProvider : LPWSTR
// wszCredentials : LPWSTR optional
// phLibrary : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Msdrm extends StdCallLibrary {
    Msdrm INSTANCE = Native.load("msdrm", Msdrm.class);
    int DRMLoadLibrary(
        int hEnv,   // DWORD
        int eSpecification,   // DRMSPECTYPE
        WString wszLibraryProvider,   // LPWSTR
        WString wszCredentials,   // LPWSTR optional
        IntByReference phLibrary   // DWORD* in/out
    );
}
@[Link("msdrm")]
lib Libmsdrm
  fun DRMLoadLibrary = DRMLoadLibrary(
    hEnv : UInt32,   # DWORD
    eSpecification : Int32,   # DRMSPECTYPE
    wszLibraryProvider : UInt16*,   # LPWSTR
    wszCredentials : UInt16*,   # LPWSTR optional
    phLibrary : UInt32*   # DWORD* in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef DRMLoadLibraryNative = Int32 Function(Uint32, Int32, Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint32>);
typedef DRMLoadLibraryDart = int Function(int, int, Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint32>);
final DRMLoadLibrary = DynamicLibrary.open('msdrm.dll')
    .lookupFunction<DRMLoadLibraryNative, DRMLoadLibraryDart>('DRMLoadLibrary');
// hEnv : DWORD -> Uint32
// eSpecification : DRMSPECTYPE -> Int32
// wszLibraryProvider : LPWSTR -> Pointer<Utf16>
// wszCredentials : LPWSTR optional -> Pointer<Utf16>
// phLibrary : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function DRMLoadLibrary(
  hEnv: DWORD;   // DWORD
  eSpecification: Integer;   // DRMSPECTYPE
  wszLibraryProvider: PWideChar;   // LPWSTR
  wszCredentials: PWideChar;   // LPWSTR optional
  phLibrary: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMLoadLibrary';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "DRMLoadLibrary"
  c_DRMLoadLibrary :: Word32 -> Int32 -> CWString -> CWString -> Ptr Word32 -> IO Int32
-- hEnv : DWORD -> Word32
-- eSpecification : DRMSPECTYPE -> Int32
-- wszLibraryProvider : LPWSTR -> CWString
-- wszCredentials : LPWSTR optional -> CWString
-- phLibrary : DWORD* in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let drmloadlibrary =
  foreign "DRMLoadLibrary"
    (uint32_t @-> int32_t @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint32_t) @-> returning int32_t)
(* hEnv : DWORD -> uint32_t *)
(* eSpecification : DRMSPECTYPE -> int32_t *)
(* wszLibraryProvider : LPWSTR -> (ptr uint16_t) *)
(* wszCredentials : LPWSTR optional -> (ptr uint16_t) *)
(* phLibrary : DWORD* in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library msdrm (t "msdrm.dll"))
(cffi:use-foreign-library msdrm)

(cffi:defcfun ("DRMLoadLibrary" drmload-library :convention :stdcall) :int32
  (h-env :uint32)   ; DWORD
  (e-specification :int32)   ; DRMSPECTYPE
  (wsz-library-provider (:string :encoding :utf-16le))   ; LPWSTR
  (wsz-credentials (:string :encoding :utf-16le))   ; LPWSTR optional
  (ph-library :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $DRMLoadLibrary = Win32::API::More->new('msdrm',
    'int DRMLoadLibrary(DWORD hEnv, int eSpecification, LPCWSTR wszLibraryProvider, LPCWSTR wszCredentials, LPVOID phLibrary)');
# my $ret = $DRMLoadLibrary->Call($hEnv, $eSpecification, $wszLibraryProvider, $wszCredentials, $phLibrary);
# hEnv : DWORD -> DWORD
# eSpecification : DRMSPECTYPE -> int
# wszLibraryProvider : LPWSTR -> LPCWSTR
# wszCredentials : LPWSTR optional -> LPCWSTR
# phLibrary : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

関連項目

使用する型