FaxGetDeviceStatusA

関数

指定したファクスポートのデバイス状態情報を取得する。

DLLWINFAX.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows 2000 以降

シグネチャ

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

BOOL FaxGetDeviceStatusA(
    HANDLE FaxPortHandle,
    FAX_DEVICE_STATUSA** DeviceStatus
);

パラメーター

名前	型	方向
FaxPortHandle	HANDLE	in
DeviceStatus	FAX_DEVICE_STATUSA**	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL FaxGetDeviceStatusA(
    HANDLE FaxPortHandle,
    FAX_DEVICE_STATUSA** DeviceStatus
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINFAX.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool FaxGetDeviceStatusA(
    IntPtr FaxPortHandle,   // HANDLE
    IntPtr DeviceStatus   // FAX_DEVICE_STATUSA** out
);

<DllImport("WINFAX.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function FaxGetDeviceStatusA(
    FaxPortHandle As IntPtr,   ' HANDLE
    DeviceStatus As IntPtr   ' FAX_DEVICE_STATUSA** out
) As Boolean
End Function

' FaxPortHandle : HANDLE
' DeviceStatus : FAX_DEVICE_STATUSA** out
Declare PtrSafe Function FaxGetDeviceStatusA Lib "winfax" ( _
    ByVal FaxPortHandle As LongPtr, _
    ByVal DeviceStatus 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

FaxGetDeviceStatusA = ctypes.windll.winfax.FaxGetDeviceStatusA
FaxGetDeviceStatusA.restype = wintypes.BOOL
FaxGetDeviceStatusA.argtypes = [
    wintypes.HANDLE,  # FaxPortHandle : HANDLE
    ctypes.c_void_p,  # DeviceStatus : FAX_DEVICE_STATUSA** out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINFAX.dll')
FaxGetDeviceStatusA = Fiddle::Function.new(
  lib['FaxGetDeviceStatusA'],
  [
    Fiddle::TYPE_VOIDP,  # FaxPortHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # DeviceStatus : FAX_DEVICE_STATUSA** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winfax")]
extern "system" {
    fn FaxGetDeviceStatusA(
        FaxPortHandle: *mut core::ffi::c_void,  // HANDLE
        DeviceStatus: *mut *mut FAX_DEVICE_STATUSA  // FAX_DEVICE_STATUSA** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINFAX.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool FaxGetDeviceStatusA(IntPtr FaxPortHandle, IntPtr DeviceStatus);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINFAX_FaxGetDeviceStatusA' -Namespace Win32 -PassThru
# $api::FaxGetDeviceStatusA(FaxPortHandle, DeviceStatus)

#uselib "WINFAX.dll"
#func global FaxGetDeviceStatusA "FaxGetDeviceStatusA" sptr, sptr
; FaxGetDeviceStatusA FaxPortHandle, varptr(DeviceStatus)   ; 戻り値は stat
; FaxPortHandle : HANDLE -> "sptr"
; DeviceStatus : FAX_DEVICE_STATUSA** 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 "WINFAX.dll"
#cfunc global FaxGetDeviceStatusA "FaxGetDeviceStatusA" sptr, var
; res = FaxGetDeviceStatusA(FaxPortHandle, DeviceStatus)
; FaxPortHandle : HANDLE -> "sptr"
; DeviceStatus : FAX_DEVICE_STATUSA** 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。#uselib "WINFAX.dll"
#cfunc global FaxGetDeviceStatusA "FaxGetDeviceStatusA" sptr, sptr
; res = FaxGetDeviceStatusA(FaxPortHandle, varptr(DeviceStatus))
; FaxPortHandle : HANDLE -> "sptr"
; DeviceStatus : FAX_DEVICE_STATUSA** out -> "sptr"
; ※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:

; BOOL FaxGetDeviceStatusA(HANDLE FaxPortHandle, FAX_DEVICE_STATUSA** DeviceStatus)
#uselib "WINFAX.dll"
#cfunc global FaxGetDeviceStatusA "FaxGetDeviceStatusA" intptr, var
; res = FaxGetDeviceStatusA(FaxPortHandle, DeviceStatus)
; FaxPortHandle : HANDLE -> "intptr"
; DeviceStatus : FAX_DEVICE_STATUSA** 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。; BOOL FaxGetDeviceStatusA(HANDLE FaxPortHandle, FAX_DEVICE_STATUSA** DeviceStatus)
#uselib "WINFAX.dll"
#cfunc global FaxGetDeviceStatusA "FaxGetDeviceStatusA" intptr, intptr
; res = FaxGetDeviceStatusA(FaxPortHandle, varptr(DeviceStatus))
; FaxPortHandle : HANDLE -> "intptr"
; DeviceStatus : FAX_DEVICE_STATUSA** out -> "intptr"
; ※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 (
	winfax = windows.NewLazySystemDLL("WINFAX.dll")
	procFaxGetDeviceStatusA = winfax.NewProc("FaxGetDeviceStatusA")
)

// FaxPortHandle (HANDLE), DeviceStatus (FAX_DEVICE_STATUSA** out)
r1, _, err := procFaxGetDeviceStatusA.Call(
	uintptr(FaxPortHandle),
	uintptr(DeviceStatus),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FaxGetDeviceStatusA(
  FaxPortHandle: THandle;   // HANDLE
  DeviceStatus: Pointer   // FAX_DEVICE_STATUSA** out
): BOOL; stdcall;
  external 'WINFAX.dll' name 'FaxGetDeviceStatusA';

result := DllCall("WINFAX\FaxGetDeviceStatusA"
    , "Ptr", FaxPortHandle   ; HANDLE
    , "Ptr", DeviceStatus   ; FAX_DEVICE_STATUSA** out
    , "Int")   ; return: BOOL

●FaxGetDeviceStatusA(FaxPortHandle, DeviceStatus) = DLL("WINFAX.dll", "bool FaxGetDeviceStatusA(void*, void*)")
# 呼び出し: FaxGetDeviceStatusA(FaxPortHandle, DeviceStatus)
# FaxPortHandle : HANDLE -> "void*"
# DeviceStatus : FAX_DEVICE_STATUSA** 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)。