WindowsIsStringEmpty

// api-ms-win-core-winrt-string-l1-1-0.dll
#include <windows.h>

BOOL WindowsIsStringEmpty(
    HSTRING string   // optional
);

<DllImport("api-ms-win-core-winrt-string-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function WindowsIsStringEmpty(
    [string] As IntPtr   ' HSTRING optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' string : HSTRING optional
Declare PtrSafe Function WindowsIsStringEmpty Lib "api-ms-win-core-winrt-string-l1-1-0" ( _
    ByVal string 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

WindowsIsStringEmpty = ctypes.windll.LoadLibrary("api-ms-win-core-winrt-string-l1-1-0.dll").WindowsIsStringEmpty
WindowsIsStringEmpty.restype = wintypes.BOOL
WindowsIsStringEmpty.argtypes = [
    wintypes.HANDLE,  # string : HSTRING optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-winrt-string-l1-1-0.dll')
WindowsIsStringEmpty = Fiddle::Function.new(
  lib['WindowsIsStringEmpty'],
  [
    Fiddle::TYPE_VOIDP,  # string : HSTRING optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-winrt-string-l1-1-0")]
extern "system" {
    fn WindowsIsStringEmpty(
        string: *mut core::ffi::c_void  // HSTRING optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("api-ms-win-core-winrt-string-l1-1-0.dll")]
public static extern bool WindowsIsStringEmpty(IntPtr string);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-winrt-string-l1-1-0_WindowsIsStringEmpty' -Namespace Win32 -PassThru
# $api::WindowsIsStringEmpty(string)

#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#func global WindowsIsStringEmpty "WindowsIsStringEmpty" sptr
; WindowsIsStringEmpty string   ; 戻り値は stat
; string : HSTRING optional -> "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 "api-ms-win-core-winrt-string-l1-1-0.dll"
#cfunc global WindowsIsStringEmpty "WindowsIsStringEmpty" sptr
; res = WindowsIsStringEmpty(string)
; string : HSTRING optional -> "sptr"

; BOOL WindowsIsStringEmpty(HSTRING string)
#uselib "api-ms-win-core-winrt-string-l1-1-0.dll"
#cfunc global WindowsIsStringEmpty "WindowsIsStringEmpty" intptr
; res = WindowsIsStringEmpty(string)
; string : HSTRING optional -> "intptr"

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

var (
	api_ms_win_core_winrt_string_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-winrt-string-l1-1-0.dll")
	procWindowsIsStringEmpty = api_ms_win_core_winrt_string_l1_1_0.NewProc("WindowsIsStringEmpty")
)

// string (HSTRING optional)
r1, _, err := procWindowsIsStringEmpty.Call(
	uintptr(string),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WindowsIsStringEmpty(
  string: THandle   // HSTRING optional
): BOOL; stdcall;
  external 'api-ms-win-core-winrt-string-l1-1-0.dll' name 'WindowsIsStringEmpty';

result := DllCall("api-ms-win-core-winrt-string-l1-1-0\WindowsIsStringEmpty"
    , "Ptr", string   ; HSTRING optional
    , "Int")   ; return: BOOL

●WindowsIsStringEmpty(string) = DLL("api-ms-win-core-winrt-string-l1-1-0.dll", "bool WindowsIsStringEmpty(void*)")
# 呼び出し: WindowsIsStringEmpty(string)
# string : HSTRING optional -> "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)。

const std = @import("std");

extern "api-ms-win-core-winrt-string-l1-1-0" fn WindowsIsStringEmpty(
    string: ?*anyopaque // HSTRING optional
) callconv(std.os.windows.WINAPI) i32;

proc WindowsIsStringEmpty(
    string: pointer  # HSTRING optional
): int32 {.importc: "WindowsIsStringEmpty", stdcall, dynlib: "api-ms-win-core-winrt-string-l1-1-0.dll".}

pragma(lib, "api-ms-win-core-winrt-string-l1-1-0");
extern(Windows)
int WindowsIsStringEmpty(
    void* string   // HSTRING optional
);

ccall((:WindowsIsStringEmpty, "api-ms-win-core-winrt-string-l1-1-0.dll"), stdcall, Int32,
      (Ptr{Cvoid},),
      string)
# string : HSTRING optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WindowsIsStringEmpty(
    void* string);
]]
local api-ms-win-core-winrt-string-l1-1-0 = ffi.load("api-ms-win-core-winrt-string-l1-1-0")
-- api-ms-win-core-winrt-string-l1-1-0.WindowsIsStringEmpty(string)
-- string : HSTRING optional
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('api-ms-win-core-winrt-string-l1-1-0.dll');
const WindowsIsStringEmpty = lib.func('__stdcall', 'WindowsIsStringEmpty', 'int32_t', ['void *']);
// WindowsIsStringEmpty(string)
// string : HSTRING optional -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("api-ms-win-core-winrt-string-l1-1-0.dll", {
  WindowsIsStringEmpty: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.WindowsIsStringEmpty(string)
// string : HSTRING optional -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t WindowsIsStringEmpty(
    void* string);
C, "api-ms-win-core-winrt-string-l1-1-0.dll");
// $ffi->WindowsIsStringEmpty(string);
// string : HSTRING optional
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Api-ms-win-core-winrt-string-l1-1-0 extends StdCallLibrary {
    Api-ms-win-core-winrt-string-l1-1-0 INSTANCE = Native.load("api-ms-win-core-winrt-string-l1-1-0", Api-ms-win-core-winrt-string-l1-1-0.class);
    boolean WindowsIsStringEmpty(
        Pointer string   // HSTRING optional
    );
}

@[Link("api-ms-win-core-winrt-string-l1-1-0")]
lib Libapi-ms-win-core-winrt-string-l1-1-0
  fun WindowsIsStringEmpty = WindowsIsStringEmpty(
    string : Void*   # HSTRING optional
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef WindowsIsStringEmptyNative = Int32 Function(Pointer<Void>);
typedef WindowsIsStringEmptyDart = int Function(Pointer<Void>);
final WindowsIsStringEmpty = DynamicLibrary.open('api-ms-win-core-winrt-string-l1-1-0.dll')
    .lookupFunction<WindowsIsStringEmptyNative, WindowsIsStringEmptyDart>('WindowsIsStringEmpty');
// string : HSTRING optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WindowsIsStringEmpty(
  string: THandle   // HSTRING optional
): BOOL; stdcall;
  external 'api-ms-win-core-winrt-string-l1-1-0.dll' name 'WindowsIsStringEmpty';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WindowsIsStringEmpty"
  c_WindowsIsStringEmpty :: Ptr () -> IO CInt
-- string : HSTRING optional -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let windowsisstringempty =
  foreign "WindowsIsStringEmpty"
    ((ptr void) @-> returning int32_t)
(* string : HSTRING optional -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library api-ms-win-core-winrt-string-l1-1-0 (t "api-ms-win-core-winrt-string-l1-1-0.dll"))
(cffi:use-foreign-library api-ms-win-core-winrt-string-l1-1-0)

(cffi:defcfun ("WindowsIsStringEmpty" windows-is-string-empty :convention :stdcall) :int32
  (string :pointer))   ; HSTRING optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WindowsIsStringEmpty = Win32::API::More->new('api-ms-win-core-winrt-string-l1-1-0',
    'BOOL WindowsIsStringEmpty(HANDLE string)');
# my $ret = $WindowsIsStringEmpty->Call($string);
# string : HSTRING optional -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。