FaxUnregisterServiceProviderW

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

BOOL FaxUnregisterServiceProviderW(
    LPCWSTR DeviceProvider
);

<DllImport("WINFAX.dll", ExactSpelling:=True)>
Public Shared Function FaxUnregisterServiceProviderW(
    <MarshalAs(UnmanagedType.LPWStr)> DeviceProvider As String   ' LPCWSTR
) As Boolean
End Function

' DeviceProvider : LPCWSTR
Declare PtrSafe Function FaxUnregisterServiceProviderW Lib "winfax" ( _
    ByVal DeviceProvider 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

FaxUnregisterServiceProviderW = ctypes.windll.winfax.FaxUnregisterServiceProviderW
FaxUnregisterServiceProviderW.restype = wintypes.BOOL
FaxUnregisterServiceProviderW.argtypes = [
    wintypes.LPCWSTR,  # DeviceProvider : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINFAX.dll')
FaxUnregisterServiceProviderW = Fiddle::Function.new(
  lib['FaxUnregisterServiceProviderW'],
  [
    Fiddle::TYPE_VOIDP,  # DeviceProvider : LPCWSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "winfax")]
extern "system" {
    fn FaxUnregisterServiceProviderW(
        DeviceProvider: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINFAX.dll")]
public static extern bool FaxUnregisterServiceProviderW([MarshalAs(UnmanagedType.LPWStr)] string DeviceProvider);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINFAX_FaxUnregisterServiceProviderW' -Namespace Win32 -PassThru
# $api::FaxUnregisterServiceProviderW(DeviceProvider)

#uselib "WINFAX.dll"
#func global FaxUnregisterServiceProviderW "FaxUnregisterServiceProviderW" sptr
; FaxUnregisterServiceProviderW DeviceProvider   ; 戻り値は stat
; DeviceProvider : LPCWSTR -> "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 "WINFAX.dll"
#cfunc global FaxUnregisterServiceProviderW "FaxUnregisterServiceProviderW" wstr
; res = FaxUnregisterServiceProviderW(DeviceProvider)
; DeviceProvider : LPCWSTR -> "wstr"

; BOOL FaxUnregisterServiceProviderW(LPCWSTR DeviceProvider)
#uselib "WINFAX.dll"
#cfunc global FaxUnregisterServiceProviderW "FaxUnregisterServiceProviderW" wstr
; res = FaxUnregisterServiceProviderW(DeviceProvider)
; DeviceProvider : LPCWSTR -> "wstr"

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

var (
	winfax = windows.NewLazySystemDLL("WINFAX.dll")
	procFaxUnregisterServiceProviderW = winfax.NewProc("FaxUnregisterServiceProviderW")
)

// DeviceProvider (LPCWSTR)
r1, _, err := procFaxUnregisterServiceProviderW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(DeviceProvider))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function FaxUnregisterServiceProviderW(
  DeviceProvider: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'WINFAX.dll' name 'FaxUnregisterServiceProviderW';

result := DllCall("WINFAX\FaxUnregisterServiceProviderW"
    , "WStr", DeviceProvider   ; LPCWSTR
    , "Int")   ; return: BOOL

●FaxUnregisterServiceProviderW(DeviceProvider) = DLL("WINFAX.dll", "bool FaxUnregisterServiceProviderW(char*)")
# 呼び出し: FaxUnregisterServiceProviderW(DeviceProvider)
# DeviceProvider : LPCWSTR -> "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)。