lineGetDevConfig

関数

回線デバイスのメディア構成情報を取得する。

DLLTAPI32.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

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

INT lineGetDevConfig(
    DWORD dwDeviceID,
    VARSTRING* lpDeviceConfig,
    LPCSTR lpszDeviceClass
);

パラメーター

名前	型	方向
dwDeviceID	DWORD	in
lpDeviceConfig	VARSTRING*	inout
lpszDeviceClass	LPCSTR	in

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 lineGetDevConfig(
    DWORD dwDeviceID,
    VARSTRING* lpDeviceConfig,
    LPCSTR lpszDeviceClass
);

[DllImport("TAPI32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int lineGetDevConfig(
    uint dwDeviceID,   // DWORD
    IntPtr lpDeviceConfig,   // VARSTRING* in/out
    [MarshalAs(UnmanagedType.LPStr)] string lpszDeviceClass   // LPCSTR
);

<DllImport("TAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function lineGetDevConfig(
    dwDeviceID As UInteger,   ' DWORD
    lpDeviceConfig As IntPtr,   ' VARSTRING* in/out
    <MarshalAs(UnmanagedType.LPStr)> lpszDeviceClass As String   ' LPCSTR
) As Integer
End Function

' dwDeviceID : DWORD
' lpDeviceConfig : VARSTRING* in/out
' lpszDeviceClass : LPCSTR
Declare PtrSafe Function lineGetDevConfig Lib "tapi32" ( _
    ByVal dwDeviceID As Long, _
    ByVal lpDeviceConfig As LongPtr, _
    ByVal lpszDeviceClass As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

lineGetDevConfig = ctypes.windll.tapi32.lineGetDevConfig
lineGetDevConfig.restype = ctypes.c_int
lineGetDevConfig.argtypes = [
    wintypes.DWORD,  # dwDeviceID : DWORD
    ctypes.c_void_p,  # lpDeviceConfig : VARSTRING* in/out
    wintypes.LPCSTR,  # lpszDeviceClass : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
lineGetDevConfig = Fiddle::Function.new(
  lib['lineGetDevConfig'],
  [
    -Fiddle::TYPE_INT,  # dwDeviceID : DWORD
    Fiddle::TYPE_VOIDP,  # lpDeviceConfig : VARSTRING* in/out
    Fiddle::TYPE_VOIDP,  # lpszDeviceClass : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn lineGetDevConfig(
        dwDeviceID: u32,  // DWORD
        lpDeviceConfig: *mut VARSTRING,  // VARSTRING* in/out
        lpszDeviceClass: *const u8  // LPCSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll", CharSet = CharSet.Ansi)]
public static extern int lineGetDevConfig(uint dwDeviceID, IntPtr lpDeviceConfig, [MarshalAs(UnmanagedType.LPStr)] string lpszDeviceClass);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_lineGetDevConfig' -Namespace Win32 -PassThru
# $api::lineGetDevConfig(dwDeviceID, lpDeviceConfig, lpszDeviceClass)

#uselib "TAPI32.dll"
#func global lineGetDevConfig "lineGetDevConfig" sptr, sptr, sptr
; lineGetDevConfig dwDeviceID, varptr(lpDeviceConfig), lpszDeviceClass   ; 戻り値は stat
; dwDeviceID : DWORD -> "sptr"
; lpDeviceConfig : VARSTRING* in/out -> "sptr"
; lpszDeviceClass : LPCSTR -> "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 lineGetDevConfig "lineGetDevConfig" int, var, str
; res = lineGetDevConfig(dwDeviceID, lpDeviceConfig, lpszDeviceClass)
; dwDeviceID : DWORD -> "int"
; lpDeviceConfig : VARSTRING* in/out -> "var"
; lpszDeviceClass : LPCSTR -> "str"
; ※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。#uselib "TAPI32.dll"
#cfunc global lineGetDevConfig "lineGetDevConfig" int, sptr, str
; res = lineGetDevConfig(dwDeviceID, varptr(lpDeviceConfig), lpszDeviceClass)
; dwDeviceID : DWORD -> "int"
; lpDeviceConfig : VARSTRING* in/out -> "sptr"
; lpszDeviceClass : LPCSTR -> "str"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; INT lineGetDevConfig(DWORD dwDeviceID, VARSTRING* lpDeviceConfig, LPCSTR lpszDeviceClass)
#uselib "TAPI32.dll"
#cfunc global lineGetDevConfig "lineGetDevConfig" int, var, str
; res = lineGetDevConfig(dwDeviceID, lpDeviceConfig, lpszDeviceClass)
; dwDeviceID : DWORD -> "int"
; lpDeviceConfig : VARSTRING* in/out -> "var"
; lpszDeviceClass : LPCSTR -> "str"
; ※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。; INT lineGetDevConfig(DWORD dwDeviceID, VARSTRING* lpDeviceConfig, LPCSTR lpszDeviceClass)
#uselib "TAPI32.dll"
#cfunc global lineGetDevConfig "lineGetDevConfig" int, intptr, str
; res = lineGetDevConfig(dwDeviceID, varptr(lpDeviceConfig), lpszDeviceClass)
; dwDeviceID : DWORD -> "int"
; lpDeviceConfig : VARSTRING* in/out -> "intptr"
; lpszDeviceClass : LPCSTR -> "str"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	proclineGetDevConfig = tapi32.NewProc("lineGetDevConfig")
)

// dwDeviceID (DWORD), lpDeviceConfig (VARSTRING* in/out), lpszDeviceClass (LPCSTR)
r1, _, err := proclineGetDevConfig.Call(
	uintptr(dwDeviceID),
	uintptr(lpDeviceConfig),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszDeviceClass))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function lineGetDevConfig(
  dwDeviceID: DWORD;   // DWORD
  lpDeviceConfig: Pointer;   // VARSTRING* in/out
  lpszDeviceClass: PAnsiChar   // LPCSTR
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineGetDevConfig';

result := DllCall("TAPI32\lineGetDevConfig"
    , "UInt", dwDeviceID   ; DWORD
    , "Ptr", lpDeviceConfig   ; VARSTRING* in/out
    , "AStr", lpszDeviceClass   ; LPCSTR
    , "Int")   ; return: INT

●lineGetDevConfig(dwDeviceID, lpDeviceConfig, lpszDeviceClass) = DLL("TAPI32.dll", "int lineGetDevConfig(dword, void*, char*)")
# 呼び出し: lineGetDevConfig(dwDeviceID, lpDeviceConfig, lpszDeviceClass)
# dwDeviceID : DWORD -> "dword"
# lpDeviceConfig : VARSTRING* in/out -> "void*"
# lpszDeviceClass : LPCSTR -> "char*"
# 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)。