lineDialW

// TAPI32.dll  (Unicode / -W)
#include <windows.h>

INT lineDialW(
    DWORD hCall,
    LPCWSTR lpszDestAddress,
    DWORD dwCountryCode
);

<DllImport("TAPI32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function lineDialW(
    hCall As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> lpszDestAddress As String,   ' LPCWSTR
    dwCountryCode As UInteger   ' DWORD
) As Integer
End Function

' hCall : DWORD
' lpszDestAddress : LPCWSTR
' dwCountryCode : DWORD
Declare PtrSafe Function lineDialW Lib "tapi32" ( _
    ByVal hCall As Long, _
    ByVal lpszDestAddress As LongPtr, _
    ByVal dwCountryCode As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

lineDialW = ctypes.windll.tapi32.lineDialW
lineDialW.restype = ctypes.c_int
lineDialW.argtypes = [
    wintypes.DWORD,  # hCall : DWORD
    wintypes.LPCWSTR,  # lpszDestAddress : LPCWSTR
    wintypes.DWORD,  # dwCountryCode : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('TAPI32.dll')
lineDialW = Fiddle::Function.new(
  lib['lineDialW'],
  [
    -Fiddle::TYPE_INT,  # hCall : DWORD
    Fiddle::TYPE_VOIDP,  # lpszDestAddress : LPCWSTR
    -Fiddle::TYPE_INT,  # dwCountryCode : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "tapi32")]
extern "system" {
    fn lineDialW(
        hCall: u32,  // DWORD
        lpszDestAddress: *const u16,  // LPCWSTR
        dwCountryCode: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("TAPI32.dll", CharSet = CharSet.Unicode)]
public static extern int lineDialW(uint hCall, [MarshalAs(UnmanagedType.LPWStr)] string lpszDestAddress, uint dwCountryCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'TAPI32_lineDialW' -Namespace Win32 -PassThru
# $api::lineDialW(hCall, lpszDestAddress, dwCountryCode)

#uselib "TAPI32.dll"
#func global lineDialW "lineDialW" wptr, wptr, wptr
; lineDialW hCall, lpszDestAddress, dwCountryCode   ; 戻り値は stat
; hCall : DWORD -> "wptr"
; lpszDestAddress : LPCWSTR -> "wptr"
; dwCountryCode : DWORD -> "wptr"
; ※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 lineDialW "lineDialW" int, wstr, int
; res = lineDialW(hCall, lpszDestAddress, dwCountryCode)
; hCall : DWORD -> "int"
; lpszDestAddress : LPCWSTR -> "wstr"
; dwCountryCode : DWORD -> "int"

; INT lineDialW(DWORD hCall, LPCWSTR lpszDestAddress, DWORD dwCountryCode)
#uselib "TAPI32.dll"
#cfunc global lineDialW "lineDialW" int, wstr, int
; res = lineDialW(hCall, lpszDestAddress, dwCountryCode)
; hCall : DWORD -> "int"
; lpszDestAddress : LPCWSTR -> "wstr"
; dwCountryCode : DWORD -> "int"

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

var (
	tapi32 = windows.NewLazySystemDLL("TAPI32.dll")
	proclineDialW = tapi32.NewProc("lineDialW")
)

// hCall (DWORD), lpszDestAddress (LPCWSTR), dwCountryCode (DWORD)
r1, _, err := proclineDialW.Call(
	uintptr(hCall),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszDestAddress))),
	uintptr(dwCountryCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function lineDialW(
  hCall: DWORD;   // DWORD
  lpszDestAddress: PWideChar;   // LPCWSTR
  dwCountryCode: DWORD   // DWORD
): Integer; stdcall;
  external 'TAPI32.dll' name 'lineDialW';

result := DllCall("TAPI32\lineDialW"
    , "UInt", hCall   ; DWORD
    , "WStr", lpszDestAddress   ; LPCWSTR
    , "UInt", dwCountryCode   ; DWORD
    , "Int")   ; return: INT

●lineDialW(hCall, lpszDestAddress, dwCountryCode) = DLL("TAPI32.dll", "int lineDialW(dword, char*, dword)")
# 呼び出し: lineDialW(hCall, lpszDestAddress, dwCountryCode)
# hCall : DWORD -> "dword"
# lpszDestAddress : LPCWSTR -> "char*"
# dwCountryCode : DWORD -> "dword"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。