InternetGoOnlineA

// WININET.dll  (ANSI / -A)
#include <windows.h>

BOOL InternetGoOnlineA(
    LPCSTR lpszURL,   // optional
    HWND hwndParent,
    DWORD dwFlags
);

<DllImport("WININET.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function InternetGoOnlineA(
    <MarshalAs(UnmanagedType.LPStr)> lpszURL As String,   ' LPCSTR optional
    hwndParent As IntPtr,   ' HWND
    dwFlags As UInteger   ' DWORD
) As Boolean
End Function

' lpszURL : LPCSTR optional
' hwndParent : HWND
' dwFlags : DWORD
Declare PtrSafe Function InternetGoOnlineA Lib "wininet" ( _
    ByVal lpszURL As String, _
    ByVal hwndParent As LongPtr, _
    ByVal dwFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

InternetGoOnlineA = ctypes.windll.wininet.InternetGoOnlineA
InternetGoOnlineA.restype = wintypes.BOOL
InternetGoOnlineA.argtypes = [
    wintypes.LPCSTR,  # lpszURL : LPCSTR optional
    wintypes.HANDLE,  # hwndParent : HWND
    wintypes.DWORD,  # dwFlags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
InternetGoOnlineA = Fiddle::Function.new(
  lib['InternetGoOnlineA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszURL : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # hwndParent : HWND
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn InternetGoOnlineA(
        lpszURL: *const u8,  // LPCSTR optional
        hwndParent: *mut core::ffi::c_void,  // HWND
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool InternetGoOnlineA([MarshalAs(UnmanagedType.LPStr)] string lpszURL, IntPtr hwndParent, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternetGoOnlineA' -Namespace Win32 -PassThru
# $api::InternetGoOnlineA(lpszURL, hwndParent, dwFlags)

#uselib "WININET.dll"
#func global InternetGoOnlineA "InternetGoOnlineA" sptr, sptr, sptr
; InternetGoOnlineA lpszURL, hwndParent, dwFlags   ; 戻り値は stat
; lpszURL : LPCSTR optional -> "sptr"
; hwndParent : HWND -> "sptr"
; dwFlags : DWORD -> "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 "WININET.dll"
#cfunc global InternetGoOnlineA "InternetGoOnlineA" str, sptr, int
; res = InternetGoOnlineA(lpszURL, hwndParent, dwFlags)
; lpszURL : LPCSTR optional -> "str"
; hwndParent : HWND -> "sptr"
; dwFlags : DWORD -> "int"

; BOOL InternetGoOnlineA(LPCSTR lpszURL, HWND hwndParent, DWORD dwFlags)
#uselib "WININET.dll"
#cfunc global InternetGoOnlineA "InternetGoOnlineA" str, intptr, int
; res = InternetGoOnlineA(lpszURL, hwndParent, dwFlags)
; lpszURL : LPCSTR optional -> "str"
; hwndParent : HWND -> "intptr"
; dwFlags : DWORD -> "int"

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

var (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procInternetGoOnlineA = wininet.NewProc("InternetGoOnlineA")
)

// lpszURL (LPCSTR optional), hwndParent (HWND), dwFlags (DWORD)
r1, _, err := procInternetGoOnlineA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszURL))),
	uintptr(hwndParent),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function InternetGoOnlineA(
  lpszURL: PAnsiChar;   // LPCSTR optional
  hwndParent: THandle;   // HWND
  dwFlags: DWORD   // DWORD
): BOOL; stdcall;
  external 'WININET.dll' name 'InternetGoOnlineA';

result := DllCall("WININET\InternetGoOnlineA"
    , "AStr", lpszURL   ; LPCSTR optional
    , "Ptr", hwndParent   ; HWND
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: BOOL

●InternetGoOnlineA(lpszURL, hwndParent, dwFlags) = DLL("WININET.dll", "bool InternetGoOnlineA(char*, void*, dword)")
# 呼び出し: InternetGoOnlineA(lpszURL, hwndParent, dwFlags)
# lpszURL : LPCSTR optional -> "char*"
# hwndParent : HWND -> "void*"
# dwFlags : DWORD -> "dword"
# 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)。