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。