CreateCoreWebView2EnvironmentWithOptions

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

HRESULT CreateCoreWebView2EnvironmentWithOptions(
    LPCWSTR browserExecutableFolder,
    LPCWSTR userDataFolder,
    ICoreWebView2EnvironmentOptions* environmentOptions,
    ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* environmentCreatedHandler
);

<DllImport("WebView2Loader.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CreateCoreWebView2EnvironmentWithOptions(
    <MarshalAs(UnmanagedType.LPWStr)> browserExecutableFolder As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> userDataFolder As String,   ' LPCWSTR
    environmentOptions As IntPtr,   ' ICoreWebView2EnvironmentOptions*
    environmentCreatedHandler As IntPtr   ' ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
) As Integer
End Function

' browserExecutableFolder : LPCWSTR
' userDataFolder : LPCWSTR
' environmentOptions : ICoreWebView2EnvironmentOptions*
' environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
Declare PtrSafe Function CreateCoreWebView2EnvironmentWithOptions Lib "webview2loader" ( _
    ByVal browserExecutableFolder As LongPtr, _
    ByVal userDataFolder As LongPtr, _
    ByVal environmentOptions As LongPtr, _
    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

CreateCoreWebView2EnvironmentWithOptions = ctypes.windll.webview2loader.CreateCoreWebView2EnvironmentWithOptions
CreateCoreWebView2EnvironmentWithOptions.restype = ctypes.c_int
CreateCoreWebView2EnvironmentWithOptions.argtypes = [
    wintypes.LPCWSTR,  # browserExecutableFolder : LPCWSTR
    wintypes.LPCWSTR,  # userDataFolder : LPCWSTR
    ctypes.c_void_p,  # environmentOptions : ICoreWebView2EnvironmentOptions*
    ctypes.c_void_p,  # environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WebView2Loader.dll')
CreateCoreWebView2EnvironmentWithOptions = Fiddle::Function.new(
  lib['CreateCoreWebView2EnvironmentWithOptions'],
  [
    Fiddle::TYPE_VOIDP,  # browserExecutableFolder : LPCWSTR
    Fiddle::TYPE_VOIDP,  # userDataFolder : LPCWSTR
    Fiddle::TYPE_VOIDP,  # environmentOptions : ICoreWebView2EnvironmentOptions*
    Fiddle::TYPE_VOIDP,  # environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "webview2loader")]
extern "system" {
    fn CreateCoreWebView2EnvironmentWithOptions(
        browserExecutableFolder: *const u16,  // LPCWSTR
        userDataFolder: *const u16,  // LPCWSTR
        environmentOptions: *mut core::ffi::c_void,  // ICoreWebView2EnvironmentOptions*
        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 CreateCoreWebView2EnvironmentWithOptions([MarshalAs(UnmanagedType.LPWStr)] string browserExecutableFolder, [MarshalAs(UnmanagedType.LPWStr)] string userDataFolder, IntPtr environmentOptions, IntPtr environmentCreatedHandler);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WebView2Loader_CreateCoreWebView2EnvironmentWithOptions' -Namespace Win32 -PassThru
# $api::CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler)

#uselib "WebView2Loader.dll"
#func global CreateCoreWebView2EnvironmentWithOptions "CreateCoreWebView2EnvironmentWithOptions" wptr, wptr, wptr, wptr
; CreateCoreWebView2EnvironmentWithOptions browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler   ; 戻り値は stat
; browserExecutableFolder : LPCWSTR -> "wptr"
; userDataFolder : LPCWSTR -> "wptr"
; environmentOptions : ICoreWebView2EnvironmentOptions* -> "wptr"
; 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 CreateCoreWebView2EnvironmentWithOptions "CreateCoreWebView2EnvironmentWithOptions" wstr, wstr, sptr, sptr
; res = CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler)
; browserExecutableFolder : LPCWSTR -> "wstr"
; userDataFolder : LPCWSTR -> "wstr"
; environmentOptions : ICoreWebView2EnvironmentOptions* -> "sptr"
; environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> "sptr"

; HRESULT CreateCoreWebView2EnvironmentWithOptions(LPCWSTR browserExecutableFolder, LPCWSTR userDataFolder, ICoreWebView2EnvironmentOptions* environmentOptions, ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* environmentCreatedHandler)
#uselib "WebView2Loader.dll"
#cfunc global CreateCoreWebView2EnvironmentWithOptions "CreateCoreWebView2EnvironmentWithOptions" wstr, wstr, intptr, intptr
; res = CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler)
; browserExecutableFolder : LPCWSTR -> "wstr"
; userDataFolder : LPCWSTR -> "wstr"
; environmentOptions : ICoreWebView2EnvironmentOptions* -> "intptr"
; environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> "intptr"

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

var (
	webview2loader = windows.NewLazySystemDLL("WebView2Loader.dll")
	procCreateCoreWebView2EnvironmentWithOptions = webview2loader.NewProc("CreateCoreWebView2EnvironmentWithOptions")
)

// browserExecutableFolder (LPCWSTR), userDataFolder (LPCWSTR), environmentOptions (ICoreWebView2EnvironmentOptions*), environmentCreatedHandler (ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*)
r1, _, err := procCreateCoreWebView2EnvironmentWithOptions.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(browserExecutableFolder))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(userDataFolder))),
	uintptr(environmentOptions),
	uintptr(environmentCreatedHandler),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CreateCoreWebView2EnvironmentWithOptions(
  browserExecutableFolder: PWideChar;   // LPCWSTR
  userDataFolder: PWideChar;   // LPCWSTR
  environmentOptions: Pointer;   // ICoreWebView2EnvironmentOptions*
  environmentCreatedHandler: Pointer   // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
): Integer; stdcall;
  external 'WebView2Loader.dll' name 'CreateCoreWebView2EnvironmentWithOptions';

result := DllCall("WebView2Loader\CreateCoreWebView2EnvironmentWithOptions"
    , "WStr", browserExecutableFolder   ; LPCWSTR
    , "WStr", userDataFolder   ; LPCWSTR
    , "Ptr", environmentOptions   ; ICoreWebView2EnvironmentOptions*
    , "Ptr", environmentCreatedHandler   ; ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
    , "Int")   ; return: HRESULT

●CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler) = DLL("WebView2Loader.dll", "int CreateCoreWebView2EnvironmentWithOptions(char*, char*, void*, void*)")
# 呼び出し: CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler)
# browserExecutableFolder : LPCWSTR -> "char*"
# userDataFolder : LPCWSTR -> "char*"
# environmentOptions : ICoreWebView2EnvironmentOptions* -> "void*"
# 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 CreateCoreWebView2EnvironmentWithOptions(
    browserExecutableFolder: [*c]const u16, // LPCWSTR
    userDataFolder: [*c]const u16, // LPCWSTR
    environmentOptions: ?*anyopaque, // ICoreWebView2EnvironmentOptions*
    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 CreateCoreWebView2EnvironmentWithOptions(
    browserExecutableFolder: WideCString,  # LPCWSTR
    userDataFolder: WideCString,  # LPCWSTR
    environmentOptions: pointer,  # ICoreWebView2EnvironmentOptions*
    environmentCreatedHandler: pointer  # ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
): int32 {.importc: "CreateCoreWebView2EnvironmentWithOptions", stdcall, dynlib: "WebView2Loader.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "webview2loader");
extern(Windows)
int CreateCoreWebView2EnvironmentWithOptions(
    const(wchar)* browserExecutableFolder,   // LPCWSTR
    const(wchar)* userDataFolder,   // LPCWSTR
    void* environmentOptions,   // ICoreWebView2EnvironmentOptions*
    void* environmentCreatedHandler   // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
);

ccall((:CreateCoreWebView2EnvironmentWithOptions, "WebView2Loader.dll"), stdcall, Int32,
      (Cwstring, Cwstring, Ptr{Cvoid}, Ptr{Cvoid}),
      browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler)
# browserExecutableFolder : LPCWSTR -> Cwstring
# userDataFolder : LPCWSTR -> Cwstring
# environmentOptions : ICoreWebView2EnvironmentOptions* -> Ptr{Cvoid}
# 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 CreateCoreWebView2EnvironmentWithOptions(
    const uint16_t* browserExecutableFolder,
    const uint16_t* userDataFolder,
    void* environmentOptions,
    void* environmentCreatedHandler);
]]
local webview2loader = ffi.load("webview2loader")
-- webview2loader.CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler)
-- browserExecutableFolder : LPCWSTR
-- userDataFolder : LPCWSTR
-- environmentOptions : ICoreWebView2EnvironmentOptions*
-- 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 CreateCoreWebView2EnvironmentWithOptions = lib.func('__stdcall', 'CreateCoreWebView2EnvironmentWithOptions', 'int32_t', ['str16', 'str16', 'void *', 'void *']);
// CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler)
// browserExecutableFolder : LPCWSTR -> 'str16'
// userDataFolder : LPCWSTR -> 'str16'
// environmentOptions : ICoreWebView2EnvironmentOptions* -> 'void *'
// 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", {
  CreateCoreWebView2EnvironmentWithOptions: { parameters: ["buffer", "buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler)
// browserExecutableFolder : LPCWSTR -> "buffer"
// userDataFolder : LPCWSTR -> "buffer"
// environmentOptions : ICoreWebView2EnvironmentOptions* -> "pointer"
// 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 CreateCoreWebView2EnvironmentWithOptions(
    const uint16_t* browserExecutableFolder,
    const uint16_t* userDataFolder,
    void* environmentOptions,
    void* environmentCreatedHandler);
C, "WebView2Loader.dll");
// $ffi->CreateCoreWebView2EnvironmentWithOptions(browserExecutableFolder, userDataFolder, environmentOptions, environmentCreatedHandler);
// browserExecutableFolder : LPCWSTR
// userDataFolder : LPCWSTR
// environmentOptions : ICoreWebView2EnvironmentOptions*
// 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 CreateCoreWebView2EnvironmentWithOptions(
        WString browserExecutableFolder,   // LPCWSTR
        WString userDataFolder,   // LPCWSTR
        Pointer environmentOptions,   // ICoreWebView2EnvironmentOptions*
        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 CreateCoreWebView2EnvironmentWithOptions = CreateCoreWebView2EnvironmentWithOptions(
    browserExecutableFolder : UInt16*,   # LPCWSTR
    userDataFolder : UInt16*,   # LPCWSTR
    environmentOptions : Void*,   # ICoreWebView2EnvironmentOptions*
    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 CreateCoreWebView2EnvironmentWithOptionsNative = Int32 Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
typedef CreateCoreWebView2EnvironmentWithOptionsDart = int Function(Pointer<Utf16>, Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
final CreateCoreWebView2EnvironmentWithOptions = DynamicLibrary.open('WebView2Loader.dll')
    .lookupFunction<CreateCoreWebView2EnvironmentWithOptionsNative, CreateCoreWebView2EnvironmentWithOptionsDart>('CreateCoreWebView2EnvironmentWithOptions');
// browserExecutableFolder : LPCWSTR -> Pointer<Utf16>
// userDataFolder : LPCWSTR -> Pointer<Utf16>
// environmentOptions : ICoreWebView2EnvironmentOptions* -> Pointer<Void>
// environmentCreatedHandler : ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CreateCoreWebView2EnvironmentWithOptions(
  browserExecutableFolder: PWideChar;   // LPCWSTR
  userDataFolder: PWideChar;   // LPCWSTR
  environmentOptions: Pointer;   // ICoreWebView2EnvironmentOptions*
  environmentCreatedHandler: Pointer   // ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler*
): Integer; stdcall;
  external 'WebView2Loader.dll' name 'CreateCoreWebView2EnvironmentWithOptions';

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

foreign import stdcall safe "CreateCoreWebView2EnvironmentWithOptions"
  c_CreateCoreWebView2EnvironmentWithOptions :: CWString -> CWString -> Ptr () -> Ptr () -> IO Int32
-- browserExecutableFolder : LPCWSTR -> CWString
-- userDataFolder : LPCWSTR -> CWString
-- environmentOptions : ICoreWebView2EnvironmentOptions* -> Ptr ()
-- 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 createcorewebview2environmentwithoptions =
  foreign "CreateCoreWebView2EnvironmentWithOptions"
    ((ptr uint16_t) @-> (ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* browserExecutableFolder : LPCWSTR -> (ptr uint16_t) *)
(* userDataFolder : LPCWSTR -> (ptr uint16_t) *)
(* environmentOptions : ICoreWebView2EnvironmentOptions* -> (ptr void) *)
(* 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 ("CreateCoreWebView2EnvironmentWithOptions" create-core-web-view2-environment-with-options :convention :stdcall) :int32
  (browser-executable-folder (:string :encoding :utf-16le))   ; LPCWSTR
  (user-data-folder (:string :encoding :utf-16le))   ; LPCWSTR
  (environment-options :pointer)   ; ICoreWebView2EnvironmentOptions*
  (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 $CreateCoreWebView2EnvironmentWithOptions = Win32::API::More->new('WebView2Loader',
    'int CreateCoreWebView2EnvironmentWithOptions(LPCWSTR browserExecutableFolder, LPCWSTR userDataFolder, LPVOID environmentOptions, LPVOID environmentCreatedHandler)');
# my $ret = $CreateCoreWebView2EnvironmentWithOptions->Call($browserExecutableFolder, $userDataFolder, $environmentOptions, $environmentCreatedHandler);
# browserExecutableFolder : LPCWSTR -> LPCWSTR
# userDataFolder : LPCWSTR -> LPCWSTR
# environmentOptions : ICoreWebView2EnvironmentOptions* -> LPVOID
# 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。