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lineGetDevCapsA

関数
指定した回線デバイスの機能や能力を取得する(ANSI版)。
DLLTAPI32.dll文字セットANSI (-A)呼出規約winapi
📘 Microsoft Learn (日本語) · English

シグネチャ

// TAPI32.dll  (ANSI / -A)
#include <windows.h>

INT lineGetDevCapsA(
    DWORD hLineApp,
    DWORD dwDeviceID,
    DWORD dwAPIVersion,
    DWORD dwExtVersion,
    LINEDEVCAPS* lpLineDevCaps
);

パラメーター

名前型方向説明
hLineAppDWORDinlineInitializeExで取得したアプリのTAPI使用登録ハンドル。
dwDeviceIDDWORDin能力を取得する回線デバイスのID。0から始まるデバイス番号を指定する。
dwAPIVersionDWORDinアプリが使用するTAPIのAPIバージョン番号。ネゴシエート済みの値を指定する。
dwExtVersionDWORDinサービスプロバイダ拡張のバージョン番号。拡張を使わない場合は0を指定する。
lpLineDevCapsLINEDEVCAPS*inout回線デバイスの能力情報を受け取るLINEDEVCAPS構造体へのポインタ。dwTotalSizeを事前設定する。

戻り値の型: INT

各言語での呼び出し定義

// TAPI32.dll  (ANSI / -A)
#include <windows.h>

INT lineGetDevCapsA(
    DWORD hLineApp,
    DWORD dwDeviceID,
    DWORD dwAPIVersion,
    DWORD dwExtVersion,
    LINEDEVCAPS* lpLineDevCaps
);
[DllImport("TAPI32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int lineGetDevCapsA(
    uint hLineApp,   // DWORD
    uint dwDeviceID,   // DWORD
    uint dwAPIVersion,   // DWORD
    uint dwExtVersion,   // DWORD
    IntPtr lpLineDevCaps   // LINEDEVCAPS* in/out
);
<DllImport("TAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function lineGetDevCapsA(
    hLineApp As UInteger,   ' DWORD
    dwDeviceID As UInteger,   ' DWORD
    dwAPIVersion As UInteger,   ' DWORD
    dwExtVersion As UInteger,   ' DWORD
    lpLineDevCaps As IntPtr   ' LINEDEVCAPS* in/out
) As Integer
End Function
' hLineApp : DWORD
' dwDeviceID : DWORD
' dwAPIVersion : DWORD
' dwExtVersion : DWORD
' lpLineDevCaps : LINEDEVCAPS* in/out
Declare PtrSafe Function lineGetDevCapsA Lib "tapi32" ( _
    ByVal hLineApp As Long, _
    ByVal dwDeviceID As Long, _
    ByVal dwAPIVersion As Long, _
    ByVal dwExtVersion As Long, _
    ByVal lpLineDevCaps 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

lineGetDevCapsA = ctypes.windll.tapi32.lineGetDevCapsA
lineGetDevCapsA.restype = ctypes.c_int
lineGetDevCapsA.argtypes = [
    wintypes.DWORD,  # hLineApp : DWORD
    wintypes.DWORD,  # dwDeviceID : DWORD
    wintypes.DWORD,  # dwAPIVersion : DWORD
    wintypes.DWORD,  # dwExtVersion : DWORD
    ctypes.c_void_p,  # lpLineDevCaps : LINEDEVCAPS* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
lineGetDevCapsA = Fiddle::Function.new(
  lib['lineGetDevCapsA'],
  [
    -Fiddle::TYPE_INT,  # hLineApp : DWORD
    -Fiddle::TYPE_INT,  # dwDeviceID : DWORD
    -Fiddle::TYPE_INT,  # dwAPIVersion : DWORD
    -Fiddle::TYPE_INT,  # dwExtVersion : DWORD
    Fiddle::TYPE_VOIDP,  # lpLineDevCaps : LINEDEVCAPS* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "tapi32")]
extern "system" {
    fn lineGetDevCapsA(
        hLineApp: u32,  // DWORD
        dwDeviceID: u32,  // DWORD
        dwAPIVersion: u32,  // DWORD
        dwExtVersion: u32,  // DWORD
        lpLineDevCaps: *mut LINEDEVCAPS  // LINEDEVCAPS* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("TAPI32.dll", CharSet = CharSet.Ansi)]
public static extern int lineGetDevCapsA(uint hLineApp, uint dwDeviceID, uint dwAPIVersion, uint dwExtVersion, IntPtr lpLineDevCaps);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_lineGetDevCapsA' -Namespace Win32 -PassThru
# $api::lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps)
#uselib "TAPI32.dll"
#func global lineGetDevCapsA "lineGetDevCapsA" sptr, sptr, sptr, sptr, sptr
; lineGetDevCapsA hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, varptr(lpLineDevCaps)   ; 戻り値は stat
; hLineApp : DWORD -> "sptr"
; dwDeviceID : DWORD -> "sptr"
; dwAPIVersion : DWORD -> "sptr"
; dwExtVersion : DWORD -> "sptr"
; lpLineDevCaps : LINEDEVCAPS* 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 "TAPI32.dll"
#cfunc global lineGetDevCapsA "lineGetDevCapsA" int, int, int, int, var
; res = lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps)
; hLineApp : DWORD -> "int"
; dwDeviceID : DWORD -> "int"
; dwAPIVersion : DWORD -> "int"
; dwExtVersion : DWORD -> "int"
; lpLineDevCaps : LINEDEVCAPS* 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: 
; INT lineGetDevCapsA(DWORD hLineApp, DWORD dwDeviceID, DWORD dwAPIVersion, DWORD dwExtVersion, LINEDEVCAPS* lpLineDevCaps)
#uselib "TAPI32.dll"
#cfunc global lineGetDevCapsA "lineGetDevCapsA" int, int, int, int, var
; res = lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps)
; hLineApp : DWORD -> "int"
; dwDeviceID : DWORD -> "int"
; dwAPIVersion : DWORD -> "int"
; dwExtVersion : DWORD -> "int"
; lpLineDevCaps : LINEDEVCAPS* 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 (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	proclineGetDevCapsA = tapi32.NewProc("lineGetDevCapsA")
)

// hLineApp (DWORD), dwDeviceID (DWORD), dwAPIVersion (DWORD), dwExtVersion (DWORD), lpLineDevCaps (LINEDEVCAPS* in/out)
r1, _, err := proclineGetDevCapsA.Call(
	uintptr(hLineApp),
	uintptr(dwDeviceID),
	uintptr(dwAPIVersion),
	uintptr(dwExtVersion),
	uintptr(lpLineDevCaps),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function lineGetDevCapsA(
  hLineApp: DWORD;   // DWORD
  dwDeviceID: DWORD;   // DWORD
  dwAPIVersion: DWORD;   // DWORD
  dwExtVersion: DWORD;   // DWORD
  lpLineDevCaps: Pointer   // LINEDEVCAPS* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineGetDevCapsA';
result := DllCall("TAPI32\lineGetDevCapsA"
    , "UInt", hLineApp   ; DWORD
    , "UInt", dwDeviceID   ; DWORD
    , "UInt", dwAPIVersion   ; DWORD
    , "UInt", dwExtVersion   ; DWORD
    , "Ptr", lpLineDevCaps   ; LINEDEVCAPS* in/out
    , "Int")   ; return: INT
●lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps) = DLL("TAPI32.dll", "int lineGetDevCapsA(dword, dword, dword, dword, void*)")
# 呼び出し: lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps)
# hLineApp : DWORD -> "dword"
# dwDeviceID : DWORD -> "dword"
# dwAPIVersion : DWORD -> "dword"
# dwExtVersion : DWORD -> "dword"
# lpLineDevCaps : LINEDEVCAPS* 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 "tapi32" fn lineGetDevCapsA(
    hLineApp: u32, // DWORD
    dwDeviceID: u32, // DWORD
    dwAPIVersion: u32, // DWORD
    dwExtVersion: u32, // DWORD
    lpLineDevCaps: [*c]LINEDEVCAPS // LINEDEVCAPS* in/out
) callconv(std.os.windows.WINAPI) i32;
proc lineGetDevCapsA(
    hLineApp: uint32,  # DWORD
    dwDeviceID: uint32,  # DWORD
    dwAPIVersion: uint32,  # DWORD
    dwExtVersion: uint32,  # DWORD
    lpLineDevCaps: ptr LINEDEVCAPS  # LINEDEVCAPS* in/out
): int32 {.importc: "lineGetDevCapsA", stdcall, dynlib: "TAPI32.dll".}
pragma(lib, "tapi32");
extern(Windows)
int lineGetDevCapsA(
    uint hLineApp,   // DWORD
    uint dwDeviceID,   // DWORD
    uint dwAPIVersion,   // DWORD
    uint dwExtVersion,   // DWORD
    LINEDEVCAPS* lpLineDevCaps   // LINEDEVCAPS* in/out
);
ccall((:lineGetDevCapsA, "TAPI32.dll"), stdcall, Int32,
      (UInt32, UInt32, UInt32, UInt32, Ptr{LINEDEVCAPS}),
      hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps)
# hLineApp : DWORD -> UInt32
# dwDeviceID : DWORD -> UInt32
# dwAPIVersion : DWORD -> UInt32
# dwExtVersion : DWORD -> UInt32
# lpLineDevCaps : LINEDEVCAPS* in/out -> Ptr{LINEDEVCAPS}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t lineGetDevCapsA(
    uint32_t hLineApp,
    uint32_t dwDeviceID,
    uint32_t dwAPIVersion,
    uint32_t dwExtVersion,
    void* lpLineDevCaps);
]]
local tapi32 = ffi.load("tapi32")
-- tapi32.lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps)
-- hLineApp : DWORD
-- dwDeviceID : DWORD
-- dwAPIVersion : DWORD
-- dwExtVersion : DWORD
-- lpLineDevCaps : LINEDEVCAPS* 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('TAPI32.dll');
const lineGetDevCapsA = lib.func('__stdcall', 'lineGetDevCapsA', 'int32_t', ['uint32_t', 'uint32_t', 'uint32_t', 'uint32_t', 'void *']);
// lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps)
// hLineApp : DWORD -> 'uint32_t'
// dwDeviceID : DWORD -> 'uint32_t'
// dwAPIVersion : DWORD -> 'uint32_t'
// dwExtVersion : DWORD -> 'uint32_t'
// lpLineDevCaps : LINEDEVCAPS* in/out -> 'void *'
// 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("TAPI32.dll", {
  lineGetDevCapsA: { parameters: ["u32", "u32", "u32", "u32", "pointer"], result: "i32" },
});
// lib.symbols.lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps)
// hLineApp : DWORD -> "u32"
// dwDeviceID : DWORD -> "u32"
// dwAPIVersion : DWORD -> "u32"
// dwExtVersion : DWORD -> "u32"
// lpLineDevCaps : LINEDEVCAPS* in/out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t lineGetDevCapsA(
    uint32_t hLineApp,
    uint32_t dwDeviceID,
    uint32_t dwAPIVersion,
    uint32_t dwExtVersion,
    void* lpLineDevCaps);
C, "TAPI32.dll");
// $ffi->lineGetDevCapsA(hLineApp, dwDeviceID, dwAPIVersion, dwExtVersion, lpLineDevCaps);
// hLineApp : DWORD
// dwDeviceID : DWORD
// dwAPIVersion : DWORD
// dwExtVersion : DWORD
// lpLineDevCaps : LINEDEVCAPS* 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 Tapi32 extends StdCallLibrary {
    Tapi32 INSTANCE = Native.load("tapi32", Tapi32.class, W32APIOptions.ASCII_OPTIONS);
    int lineGetDevCapsA(
        int hLineApp,   // DWORD
        int dwDeviceID,   // DWORD
        int dwAPIVersion,   // DWORD
        int dwExtVersion,   // DWORD
        Pointer lpLineDevCaps   // LINEDEVCAPS* in/out
    );
}
@[Link("tapi32")]
lib LibTAPI32
  fun lineGetDevCapsA = lineGetDevCapsA(
    hLineApp : UInt32,   # DWORD
    dwDeviceID : UInt32,   # DWORD
    dwAPIVersion : UInt32,   # DWORD
    dwExtVersion : UInt32,   # DWORD
    lpLineDevCaps : LINEDEVCAPS*   # LINEDEVCAPS* 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 lineGetDevCapsANative = Int32 Function(Uint32, Uint32, Uint32, Uint32, Pointer<Void>);
typedef lineGetDevCapsADart = int Function(int, int, int, int, Pointer<Void>);
final lineGetDevCapsA = DynamicLibrary.open('TAPI32.dll')
    .lookupFunction<lineGetDevCapsANative, lineGetDevCapsADart>('lineGetDevCapsA');
// hLineApp : DWORD -> Uint32
// dwDeviceID : DWORD -> Uint32
// dwAPIVersion : DWORD -> Uint32
// dwExtVersion : DWORD -> Uint32
// lpLineDevCaps : LINEDEVCAPS* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function lineGetDevCapsA(
  hLineApp: DWORD;   // DWORD
  dwDeviceID: DWORD;   // DWORD
  dwAPIVersion: DWORD;   // DWORD
  dwExtVersion: DWORD;   // DWORD
  lpLineDevCaps: Pointer   // LINEDEVCAPS* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineGetDevCapsA';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "lineGetDevCapsA"
  c_lineGetDevCapsA :: Word32 -> Word32 -> Word32 -> Word32 -> Ptr () -> IO Int32
-- hLineApp : DWORD -> Word32
-- dwDeviceID : DWORD -> Word32
-- dwAPIVersion : DWORD -> Word32
-- dwExtVersion : DWORD -> Word32
-- lpLineDevCaps : LINEDEVCAPS* in/out -> Ptr ()
-- 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 linegetdevcapsa =
  foreign "lineGetDevCapsA"
    (uint32_t @-> uint32_t @-> uint32_t @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* hLineApp : DWORD -> uint32_t *)
(* dwDeviceID : DWORD -> uint32_t *)
(* dwAPIVersion : DWORD -> uint32_t *)
(* dwExtVersion : DWORD -> uint32_t *)
(* lpLineDevCaps : LINEDEVCAPS* in/out -> (ptr void) *)
(* 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 tapi32 (t "TAPI32.dll"))
(cffi:use-foreign-library tapi32)

(cffi:defcfun ("lineGetDevCapsA" line-get-dev-caps-a :convention :stdcall) :int32
  (h-line-app :uint32)   ; DWORD
  (dw-device-id :uint32)   ; DWORD
  (dw-apiversion :uint32)   ; DWORD
  (dw-ext-version :uint32)   ; DWORD
  (lp-line-dev-caps :pointer))   ; LINEDEVCAPS* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $lineGetDevCapsA = Win32::API::More->new('TAPI32',
    'int lineGetDevCapsA(DWORD hLineApp, DWORD dwDeviceID, DWORD dwAPIVersion, DWORD dwExtVersion, LPVOID lpLineDevCaps)');
# my $ret = $lineGetDevCapsA->Call($hLineApp, $dwDeviceID, $dwAPIVersion, $dwExtVersion, $lpLineDevCaps);
# hLineApp : DWORD -> DWORD
# dwDeviceID : DWORD -> DWORD
# dwAPIVersion : DWORD -> DWORD
# dwExtVersion : DWORD -> DWORD
# lpLineDevCaps : LINEDEVCAPS* 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。

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