phoneGetStatusMessages

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

INT phoneGetStatusMessages(
    DWORD hPhone,
    DWORD* lpdwPhoneStates,
    DWORD* lpdwButtonModes,
    DWORD* lpdwButtonStates
);

<DllImport("TAPI32.dll", ExactSpelling:=True)>
Public Shared Function phoneGetStatusMessages(
    hPhone As UInteger,   ' DWORD
    ByRef lpdwPhoneStates As UInteger,   ' DWORD* in/out
    ByRef lpdwButtonModes As UInteger,   ' DWORD* in/out
    ByRef lpdwButtonStates As UInteger   ' DWORD* in/out
) As Integer
End Function

' hPhone : DWORD
' lpdwPhoneStates : DWORD* in/out
' lpdwButtonModes : DWORD* in/out
' lpdwButtonStates : DWORD* in/out
Declare PtrSafe Function phoneGetStatusMessages Lib "tapi32" ( _
    ByVal hPhone As Long, _
    ByRef lpdwPhoneStates As Long, _
    ByRef lpdwButtonModes As Long, _
    ByRef lpdwButtonStates 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

phoneGetStatusMessages = ctypes.windll.tapi32.phoneGetStatusMessages
phoneGetStatusMessages.restype = ctypes.c_int
phoneGetStatusMessages.argtypes = [
    wintypes.DWORD,  # hPhone : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpdwPhoneStates : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # lpdwButtonModes : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # lpdwButtonStates : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
phoneGetStatusMessages = Fiddle::Function.new(
  lib['phoneGetStatusMessages'],
  [
    -Fiddle::TYPE_INT,  # hPhone : DWORD
    Fiddle::TYPE_VOIDP,  # lpdwPhoneStates : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpdwButtonModes : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lpdwButtonStates : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "tapi32")]
extern "system" {
    fn phoneGetStatusMessages(
        hPhone: u32,  // DWORD
        lpdwPhoneStates: *mut u32,  // DWORD* in/out
        lpdwButtonModes: *mut u32,  // DWORD* in/out
        lpdwButtonStates: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll")]
public static extern int phoneGetStatusMessages(uint hPhone, ref uint lpdwPhoneStates, ref uint lpdwButtonModes, ref uint lpdwButtonStates);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_phoneGetStatusMessages' -Namespace Win32 -PassThru
# $api::phoneGetStatusMessages(hPhone, lpdwPhoneStates, lpdwButtonModes, lpdwButtonStates)

#uselib "TAPI32.dll"
#func global phoneGetStatusMessages "phoneGetStatusMessages" sptr, sptr, sptr, sptr
; phoneGetStatusMessages hPhone, varptr(lpdwPhoneStates), varptr(lpdwButtonModes), varptr(lpdwButtonStates)   ; 戻り値は stat
; hPhone : DWORD -> "sptr"
; lpdwPhoneStates : DWORD* in/out -> "sptr"
; lpdwButtonModes : DWORD* in/out -> "sptr"
; lpdwButtonStates : 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。

#uselib "TAPI32.dll"
#cfunc global phoneGetStatusMessages "phoneGetStatusMessages" int, var, var, var
; res = phoneGetStatusMessages(hPhone, lpdwPhoneStates, lpdwButtonModes, lpdwButtonStates)
; hPhone : DWORD -> "int"
; lpdwPhoneStates : DWORD* in/out -> "var"
; lpdwButtonModes : DWORD* in/out -> "var"
; lpdwButtonStates : 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。

; INT phoneGetStatusMessages(DWORD hPhone, DWORD* lpdwPhoneStates, DWORD* lpdwButtonModes, DWORD* lpdwButtonStates)
#uselib "TAPI32.dll"
#cfunc global phoneGetStatusMessages "phoneGetStatusMessages" int, var, var, var
; res = phoneGetStatusMessages(hPhone, lpdwPhoneStates, lpdwButtonModes, lpdwButtonStates)
; hPhone : DWORD -> "int"
; lpdwPhoneStates : DWORD* in/out -> "var"
; lpdwButtonModes : DWORD* in/out -> "var"
; lpdwButtonStates : 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")
	procphoneGetStatusMessages = tapi32.NewProc("phoneGetStatusMessages")
)

// hPhone (DWORD), lpdwPhoneStates (DWORD* in/out), lpdwButtonModes (DWORD* in/out), lpdwButtonStates (DWORD* in/out)
r1, _, err := procphoneGetStatusMessages.Call(
	uintptr(hPhone),
	uintptr(lpdwPhoneStates),
	uintptr(lpdwButtonModes),
	uintptr(lpdwButtonStates),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function phoneGetStatusMessages(
  hPhone: DWORD;   // DWORD
  lpdwPhoneStates: Pointer;   // DWORD* in/out
  lpdwButtonModes: Pointer;   // DWORD* in/out
  lpdwButtonStates: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'TAPI32.dll' name 'phoneGetStatusMessages';

result := DllCall("TAPI32\phoneGetStatusMessages"
    , "UInt", hPhone   ; DWORD
    , "Ptr", lpdwPhoneStates   ; DWORD* in/out
    , "Ptr", lpdwButtonModes   ; DWORD* in/out
    , "Ptr", lpdwButtonStates   ; DWORD* in/out
    , "Int")   ; return: INT

●phoneGetStatusMessages(hPhone, lpdwPhoneStates, lpdwButtonModes, lpdwButtonStates) = DLL("TAPI32.dll", "int phoneGetStatusMessages(dword, void*, void*, void*)")
# 呼び出し: phoneGetStatusMessages(hPhone, lpdwPhoneStates, lpdwButtonModes, lpdwButtonStates)
# hPhone : DWORD -> "dword"
# lpdwPhoneStates : DWORD* in/out -> "void*"
# lpdwButtonModes : DWORD* in/out -> "void*"
# lpdwButtonStates : 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)。