Win32 API 日本語リファレンス
ホームDevices.Tapi › lineInitialize

lineInitialize

関数
アプリ用にTAPIを初期化し回線デバイス数を取得する。
DLLTAPI32.dll呼出規約winapi

シグネチャ

// TAPI32.dll
#include <windows.h>

INT lineInitialize(
    DWORD* lphLineApp,
    HINSTANCE hInstance,
    LINECALLBACK lpfnCallback,
    LPCSTR lpszAppName,
    DWORD* lpdwNumDevs
);

パラメーター

名前方向
lphLineAppDWORD*inout
hInstanceHINSTANCEin
lpfnCallbackLINECALLBACKin
lpszAppNameLPCSTRin
lpdwNumDevsDWORD*inout

戻り値の型: INT

各言語での呼び出し定義

// TAPI32.dll
#include <windows.h>

INT lineInitialize(
    DWORD* lphLineApp,
    HINSTANCE hInstance,
    LINECALLBACK lpfnCallback,
    LPCSTR lpszAppName,
    DWORD* lpdwNumDevs
);
[DllImport("TAPI32.dll", ExactSpelling = true)]
static extern int lineInitialize(
    ref uint lphLineApp,   // DWORD* in/out
    IntPtr hInstance,   // HINSTANCE
    IntPtr lpfnCallback,   // LINECALLBACK
    [MarshalAs(UnmanagedType.LPStr)] string lpszAppName,   // LPCSTR
    ref uint lpdwNumDevs   // DWORD* in/out
);
<DllImport("TAPI32.dll", ExactSpelling:=True)>
Public Shared Function lineInitialize(
    ByRef lphLineApp As UInteger,   ' DWORD* in/out
    hInstance As IntPtr,   ' HINSTANCE
    lpfnCallback As IntPtr,   ' LINECALLBACK
    <MarshalAs(UnmanagedType.LPStr)> lpszAppName As String,   ' LPCSTR
    ByRef lpdwNumDevs As UInteger   ' DWORD* in/out
) As Integer
End Function
' lphLineApp : DWORD* in/out
' hInstance : HINSTANCE
' lpfnCallback : LINECALLBACK
' lpszAppName : LPCSTR
' lpdwNumDevs : DWORD* in/out
Declare PtrSafe Function lineInitialize Lib "tapi32" ( _
    ByRef lphLineApp As Long, _
    ByVal hInstance As LongPtr, _
    ByVal lpfnCallback As LongPtr, _
    ByVal lpszAppName As String, _
    ByRef lpdwNumDevs 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

lineInitialize = ctypes.windll.tapi32.lineInitialize
lineInitialize.restype = ctypes.c_int
lineInitialize.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # lphLineApp : DWORD* in/out
    wintypes.HANDLE,  # hInstance : HINSTANCE
    ctypes.c_void_p,  # lpfnCallback : LINECALLBACK
    wintypes.LPCSTR,  # lpszAppName : LPCSTR
    ctypes.POINTER(wintypes.DWORD),  # lpdwNumDevs : DWORD* in/out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
lineInitialize = Fiddle::Function.new(
  lib['lineInitialize'],
  [
    Fiddle::TYPE_VOIDP,  # lphLineApp : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # hInstance : HINSTANCE
    Fiddle::TYPE_VOIDP,  # lpfnCallback : LINECALLBACK
    Fiddle::TYPE_VOIDP,  # lpszAppName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpdwNumDevs : DWORD* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "tapi32")]
extern "system" {
    fn lineInitialize(
        lphLineApp: *mut u32,  // DWORD* in/out
        hInstance: *mut core::ffi::c_void,  // HINSTANCE
        lpfnCallback: *const core::ffi::c_void,  // LINECALLBACK
        lpszAppName: *const u8,  // LPCSTR
        lpdwNumDevs: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("TAPI32.dll")]
public static extern int lineInitialize(ref uint lphLineApp, IntPtr hInstance, IntPtr lpfnCallback, [MarshalAs(UnmanagedType.LPStr)] string lpszAppName, ref uint lpdwNumDevs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_lineInitialize' -Namespace Win32 -PassThru
# $api::lineInitialize(lphLineApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs)
#uselib "TAPI32.dll"
#func global lineInitialize "lineInitialize" sptr, sptr, sptr, sptr, sptr
; lineInitialize varptr(lphLineApp), hInstance, lpfnCallback, lpszAppName, varptr(lpdwNumDevs)   ; 戻り値は stat
; lphLineApp : DWORD* in/out -> "sptr"
; hInstance : HINSTANCE -> "sptr"
; lpfnCallback : LINECALLBACK -> "sptr"
; lpszAppName : LPCSTR -> "sptr"
; lpdwNumDevs : 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 "TAPI32.dll"
#cfunc global lineInitialize "lineInitialize" var, sptr, sptr, str, var
; res = lineInitialize(lphLineApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs)
; lphLineApp : DWORD* in/out -> "var"
; hInstance : HINSTANCE -> "sptr"
; lpfnCallback : LINECALLBACK -> "sptr"
; lpszAppName : LPCSTR -> "str"
; lpdwNumDevs : 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:
; INT lineInitialize(DWORD* lphLineApp, HINSTANCE hInstance, LINECALLBACK lpfnCallback, LPCSTR lpszAppName, DWORD* lpdwNumDevs)
#uselib "TAPI32.dll"
#cfunc global lineInitialize "lineInitialize" var, intptr, intptr, str, var
; res = lineInitialize(lphLineApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs)
; lphLineApp : DWORD* in/out -> "var"
; hInstance : HINSTANCE -> "intptr"
; lpfnCallback : LINECALLBACK -> "intptr"
; lpszAppName : LPCSTR -> "str"
; lpdwNumDevs : 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 (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	proclineInitialize = tapi32.NewProc("lineInitialize")
)

// lphLineApp (DWORD* in/out), hInstance (HINSTANCE), lpfnCallback (LINECALLBACK), lpszAppName (LPCSTR), lpdwNumDevs (DWORD* in/out)
r1, _, err := proclineInitialize.Call(
	uintptr(lphLineApp),
	uintptr(hInstance),
	uintptr(lpfnCallback),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszAppName))),
	uintptr(lpdwNumDevs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function lineInitialize(
  lphLineApp: Pointer;   // DWORD* in/out
  hInstance: THandle;   // HINSTANCE
  lpfnCallback: Pointer;   // LINECALLBACK
  lpszAppName: PAnsiChar;   // LPCSTR
  lpdwNumDevs: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineInitialize';
result := DllCall("TAPI32\lineInitialize"
    , "Ptr", lphLineApp   ; DWORD* in/out
    , "Ptr", hInstance   ; HINSTANCE
    , "Ptr", lpfnCallback   ; LINECALLBACK
    , "AStr", lpszAppName   ; LPCSTR
    , "Ptr", lpdwNumDevs   ; DWORD* in/out
    , "Int")   ; return: INT
●lineInitialize(lphLineApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs) = DLL("TAPI32.dll", "int lineInitialize(void*, void*, void*, char*, void*)")
# 呼び出し: lineInitialize(lphLineApp, hInstance, lpfnCallback, lpszAppName, lpdwNumDevs)
# lphLineApp : DWORD* in/out -> "void*"
# hInstance : HINSTANCE -> "void*"
# lpfnCallback : LINECALLBACK -> "void*"
# lpszAppName : LPCSTR -> "char*"
# lpdwNumDevs : 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)。