CreateCoreWebView2Environment

// WebView2Loader.dll  (Unicode / -W)
#include <windows.h>

HRESULT CreateCoreWebView2Environment(
    ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* environmentCreatedHandler
);

<DllImport("WebView2Loader.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CreateCoreWebView2Environment(
    environmentCreatedHandler As IntPtr   ' ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
) As Integer
End Function

' environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
Declare PtrSafe Function CreateCoreWebView2Environment Lib "webview2loader" ( _
    ByVal environmentCreatedHandler As LongPtr) 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

CreateCoreWebView2Environment = ctypes.windll.webview2loader.CreateCoreWebView2Environment
CreateCoreWebView2Environment.restype = ctypes.c_int
CreateCoreWebView2Environment.argtypes = [
    ctypes.c_void_p,  # environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WebView2Loader.dll')
CreateCoreWebView2Environment = Fiddle::Function.new(
  lib['CreateCoreWebView2Environment'],
  [
    Fiddle::TYPE_VOIDP,  # environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "webview2loader")]
extern "system" {
    fn CreateCoreWebView2Environment(
        environmentCreatedHandler: *mut core::ffi::c_void  // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WebView2Loader.dll", CharSet = CharSet.Unicode)]
public static extern int CreateCoreWebView2Environment(IntPtr environmentCreatedHandler);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WebView2Loader_CreateCoreWebView2Environment' -Namespace Win32 -PassThru
# $api::CreateCoreWebView2Environment(environmentCreatedHandler)

#uselib "WebView2Loader.dll"
#func global CreateCoreWebView2Environment "CreateCoreWebView2Environment" wptr
; CreateCoreWebView2Environment environmentCreatedHandler   ; 戻り値は stat
; environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> "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 "WebView2Loader.dll"
#cfunc global CreateCoreWebView2Environment "CreateCoreWebView2Environment" sptr
; res = CreateCoreWebView2Environment(environmentCreatedHandler)
; environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> "sptr"

; HRESULT CreateCoreWebView2Environment(ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* environmentCreatedHandler)
#uselib "WebView2Loader.dll"
#cfunc global CreateCoreWebView2Environment "CreateCoreWebView2Environment" intptr
; res = CreateCoreWebView2Environment(environmentCreatedHandler)
; environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> "intptr"

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

var (
	webview2loader = windows.NewLazySystemDLL("WebView2Loader.dll")
	procCreateCoreWebView2Environment = webview2loader.NewProc("CreateCoreWebView2Environment")
)

// environmentCreatedHandler (ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*)
r1, _, err := procCreateCoreWebView2Environment.Call(
	uintptr(environmentCreatedHandler),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CreateCoreWebView2Environment(
  environmentCreatedHandler: Pointer   // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
): Integer; stdcall;
  external 'WebView2Loader.dll' name 'CreateCoreWebView2Environment';

result := DllCall("WebView2Loader\CreateCoreWebView2Environment"
    , "Ptr", environmentCreatedHandler   ; ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
    , "Int")   ; return: HRESULT

●CreateCoreWebView2Environment(environmentCreatedHandler) = DLL("WebView2Loader.dll", "int CreateCoreWebView2Environment(void*)")
# 呼び出し: CreateCoreWebView2Environment(environmentCreatedHandler)
# environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "webview2loader" fn CreateCoreWebView2Environment(
    environmentCreatedHandler: ?*anyopaque // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc CreateCoreWebView2Environment(
    environmentCreatedHandler: pointer  # ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
): int32 {.importc: "CreateCoreWebView2Environment", stdcall, dynlib: "WebView2Loader.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "webview2loader");
extern(Windows)
int CreateCoreWebView2Environment(
    void* environmentCreatedHandler   // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
);

ccall((:CreateCoreWebView2Environment, "WebView2Loader.dll"), stdcall, Int32,
      (Ptr{Cvoid},),
      environmentCreatedHandler)
# environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t CreateCoreWebView2Environment(
    void* environmentCreatedHandler);
]]
local webview2loader = ffi.load("webview2loader")
-- webview2loader.CreateCoreWebView2Environment(environmentCreatedHandler)
-- environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('WebView2Loader.dll');
const CreateCoreWebView2Environment = lib.func('__stdcall', 'CreateCoreWebView2Environment', 'int32_t', ['void *']);
// CreateCoreWebView2Environment(environmentCreatedHandler)
// environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> '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("WebView2Loader.dll", {
  CreateCoreWebView2Environment: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.CreateCoreWebView2Environment(environmentCreatedHandler)
// environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 CreateCoreWebView2Environment(
    void* environmentCreatedHandler);
C, "WebView2Loader.dll");
// $ffi->CreateCoreWebView2Environment(environmentCreatedHandler);
// environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
// 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 Webview2loader extends StdCallLibrary {
    Webview2loader INSTANCE = Native.load("webview2loader", Webview2loader.class, W32APIOptions.UNICODE_OPTIONS);
    int CreateCoreWebView2Environment(
        Pointer environmentCreatedHandler   // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("webview2loader")]
lib LibWebView2Loader
  fun CreateCoreWebView2Environment = CreateCoreWebView2Environment(
    environmentCreatedHandler : Void*   # ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
  ) : 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 CreateCoreWebView2EnvironmentNative = Int32 Function(Pointer<Void>);
typedef CreateCoreWebView2EnvironmentDart = int Function(Pointer<Void>);
final CreateCoreWebView2Environment = DynamicLibrary.open('WebView2Loader.dll')
    .lookupFunction<CreateCoreWebView2EnvironmentNative, CreateCoreWebView2EnvironmentDart>('CreateCoreWebView2Environment');
// environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CreateCoreWebView2Environment(
  environmentCreatedHandler: Pointer   // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
): Integer; stdcall;
  external 'WebView2Loader.dll' name 'CreateCoreWebView2Environment';

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

foreign import stdcall safe "CreateCoreWebView2Environment"
  c_CreateCoreWebView2Environment :: Ptr () -> IO Int32
-- environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> 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 createcorewebview2environment =
  foreign "CreateCoreWebView2Environment"
    ((ptr void) @-> returning int32_t)
(* environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> (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 webview2loader (t "WebView2Loader.dll"))
(cffi:use-foreign-library webview2loader)

(cffi:defcfun ("CreateCoreWebView2Environment" create-core-web-view2-environment :convention :stdcall) :int32
  (environment-created-handler :pointer))   ; ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CreateCoreWebView2Environment = Win32::API::More->new('WebView2Loader',
    'int CreateCoreWebView2Environment(LPVOID environmentCreatedHandler)');
# my $ret = $CreateCoreWebView2Environment->Call($environmentCreatedHandler);
# environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。