PeerGroupCreateInvitation

// P2P.dll
#include <windows.h>

HRESULT PeerGroupCreateInvitation(
    void* hGroup,
    LPCWSTR pwzIdentityInfo,
    FILETIME* pftExpiration,   // optional
    DWORD cRoles,
    const GUID* pRoles,   // optional
    LPWSTR* ppwzInvitation
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerGroupCreateInvitation(
    hGroup As IntPtr,   ' void*
    <MarshalAs(UnmanagedType.LPWStr)> pwzIdentityInfo As String,   ' LPCWSTR
    pftExpiration As IntPtr,   ' FILETIME* optional
    cRoles As UInteger,   ' DWORD
    pRoles As IntPtr,   ' GUID* optional
    ppwzInvitation As IntPtr   ' LPWSTR* out
) As Integer
End Function

' hGroup : void*
' pwzIdentityInfo : LPCWSTR
' pftExpiration : FILETIME* optional
' cRoles : DWORD
' pRoles : GUID* optional
' ppwzInvitation : LPWSTR* out
Declare PtrSafe Function PeerGroupCreateInvitation Lib "p2p" ( _
    ByVal hGroup As LongPtr, _
    ByVal pwzIdentityInfo As LongPtr, _
    ByVal pftExpiration As LongPtr, _
    ByVal cRoles As Long, _
    ByVal pRoles As LongPtr, _
    ByVal ppwzInvitation 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

PeerGroupCreateInvitation = ctypes.windll.p2p.PeerGroupCreateInvitation
PeerGroupCreateInvitation.restype = ctypes.c_int
PeerGroupCreateInvitation.argtypes = [
    ctypes.POINTER(None),  # hGroup : void*
    wintypes.LPCWSTR,  # pwzIdentityInfo : LPCWSTR
    ctypes.c_void_p,  # pftExpiration : FILETIME* optional
    wintypes.DWORD,  # cRoles : DWORD
    ctypes.c_void_p,  # pRoles : GUID* optional
    ctypes.c_void_p,  # ppwzInvitation : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerGroupCreateInvitation = Fiddle::Function.new(
  lib['PeerGroupCreateInvitation'],
  [
    Fiddle::TYPE_VOIDP,  # hGroup : void*
    Fiddle::TYPE_VOIDP,  # pwzIdentityInfo : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pftExpiration : FILETIME* optional
    -Fiddle::TYPE_INT,  # cRoles : DWORD
    Fiddle::TYPE_VOIDP,  # pRoles : GUID* optional
    Fiddle::TYPE_VOIDP,  # ppwzInvitation : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerGroupCreateInvitation(
        hGroup: *mut (),  // void*
        pwzIdentityInfo: *const u16,  // LPCWSTR
        pftExpiration: *mut FILETIME,  // FILETIME* optional
        cRoles: u32,  // DWORD
        pRoles: *const GUID,  // GUID* optional
        ppwzInvitation: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerGroupCreateInvitation(IntPtr hGroup, [MarshalAs(UnmanagedType.LPWStr)] string pwzIdentityInfo, IntPtr pftExpiration, uint cRoles, IntPtr pRoles, IntPtr ppwzInvitation);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerGroupCreateInvitation' -Namespace Win32 -PassThru
# $api::PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation)

#uselib "P2P.dll"
#func global PeerGroupCreateInvitation "PeerGroupCreateInvitation" sptr, sptr, sptr, sptr, sptr, sptr
; PeerGroupCreateInvitation hGroup, pwzIdentityInfo, varptr(pftExpiration), cRoles, varptr(pRoles), varptr(ppwzInvitation)   ; 戻り値は stat
; hGroup : void* -> "sptr"
; pwzIdentityInfo : LPCWSTR -> "sptr"
; pftExpiration : FILETIME* optional -> "sptr"
; cRoles : DWORD -> "sptr"
; pRoles : GUID* optional -> "sptr"
; ppwzInvitation : LPWSTR* out -> "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。

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

var (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerGroupCreateInvitation = p2p.NewProc("PeerGroupCreateInvitation")
)

// hGroup (void*), pwzIdentityInfo (LPCWSTR), pftExpiration (FILETIME* optional), cRoles (DWORD), pRoles (GUID* optional), ppwzInvitation (LPWSTR* out)
r1, _, err := procPeerGroupCreateInvitation.Call(
	uintptr(hGroup),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzIdentityInfo))),
	uintptr(pftExpiration),
	uintptr(cRoles),
	uintptr(pRoles),
	uintptr(ppwzInvitation),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGroupCreateInvitation(
  hGroup: Pointer;   // void*
  pwzIdentityInfo: PWideChar;   // LPCWSTR
  pftExpiration: Pointer;   // FILETIME* optional
  cRoles: DWORD;   // DWORD
  pRoles: PGUID;   // GUID* optional
  ppwzInvitation: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerGroupCreateInvitation';

result := DllCall("P2P\PeerGroupCreateInvitation"
    , "Ptr", hGroup   ; void*
    , "WStr", pwzIdentityInfo   ; LPCWSTR
    , "Ptr", pftExpiration   ; FILETIME* optional
    , "UInt", cRoles   ; DWORD
    , "Ptr", pRoles   ; GUID* optional
    , "Ptr", ppwzInvitation   ; LPWSTR* out
    , "Int")   ; return: HRESULT

●PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation) = DLL("P2P.dll", "int PeerGroupCreateInvitation(void*, char*, void*, dword, void*, void*)")
# 呼び出し: PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation)
# hGroup : void* -> "void*"
# pwzIdentityInfo : LPCWSTR -> "char*"
# pftExpiration : FILETIME* optional -> "void*"
# cRoles : DWORD -> "dword"
# pRoles : GUID* optional -> "void*"
# ppwzInvitation : LPWSTR* out -> "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 "p2p" fn PeerGroupCreateInvitation(
    hGroup: ?*anyopaque, // void*
    pwzIdentityInfo: [*c]const u16, // LPCWSTR
    pftExpiration: [*c]FILETIME, // FILETIME* optional
    cRoles: u32, // DWORD
    pRoles: [*c]GUID, // GUID* optional
    ppwzInvitation: [*c][*c]u16 // LPWSTR* out
) callconv(std.os.windows.WINAPI) i32;

proc PeerGroupCreateInvitation(
    hGroup: pointer,  # void*
    pwzIdentityInfo: WideCString,  # LPCWSTR
    pftExpiration: ptr FILETIME,  # FILETIME* optional
    cRoles: uint32,  # DWORD
    pRoles: ptr GUID,  # GUID* optional
    ppwzInvitation: ptr WideCString  # LPWSTR* out
): int32 {.importc: "PeerGroupCreateInvitation", stdcall, dynlib: "P2P.dll".}

pragma(lib, "p2p");
extern(Windows)
int PeerGroupCreateInvitation(
    void* hGroup,   // void*
    const(wchar)* pwzIdentityInfo,   // LPCWSTR
    FILETIME* pftExpiration,   // FILETIME* optional
    uint cRoles,   // DWORD
    GUID* pRoles,   // GUID* optional
    wchar** ppwzInvitation   // LPWSTR* out
);

ccall((:PeerGroupCreateInvitation, "P2P.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cwstring, Ptr{FILETIME}, UInt32, Ptr{GUID}, Ptr{Ptr{UInt16}}),
      hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation)
# hGroup : void* -> Ptr{Cvoid}
# pwzIdentityInfo : LPCWSTR -> Cwstring
# pftExpiration : FILETIME* optional -> Ptr{FILETIME}
# cRoles : DWORD -> UInt32
# pRoles : GUID* optional -> Ptr{GUID}
# ppwzInvitation : LPWSTR* out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PeerGroupCreateInvitation(
    void* hGroup,
    const uint16_t* pwzIdentityInfo,
    void* pftExpiration,
    uint32_t cRoles,
    void* pRoles,
    uint16_t** ppwzInvitation);
]]
local p2p = ffi.load("p2p")
-- p2p.PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation)
-- hGroup : void*
-- pwzIdentityInfo : LPCWSTR
-- pftExpiration : FILETIME* optional
-- cRoles : DWORD
-- pRoles : GUID* optional
-- ppwzInvitation : LPWSTR* out
-- 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('P2P.dll');
const PeerGroupCreateInvitation = lib.func('__stdcall', 'PeerGroupCreateInvitation', 'int32_t', ['void *', 'str16', 'void *', 'uint32_t', 'void *', 'void *']);
// PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation)
// hGroup : void* -> 'void *'
// pwzIdentityInfo : LPCWSTR -> 'str16'
// pftExpiration : FILETIME* optional -> 'void *'
// cRoles : DWORD -> 'uint32_t'
// pRoles : GUID* optional -> 'void *'
// ppwzInvitation : LPWSTR* out -> '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("P2P.dll", {
  PeerGroupCreateInvitation: { parameters: ["pointer", "buffer", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation)
// hGroup : void* -> "pointer"
// pwzIdentityInfo : LPCWSTR -> "buffer"
// pftExpiration : FILETIME* optional -> "pointer"
// cRoles : DWORD -> "u32"
// pRoles : GUID* optional -> "pointer"
// ppwzInvitation : LPWSTR* out -> "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 PeerGroupCreateInvitation(
    void* hGroup,
    const uint16_t* pwzIdentityInfo,
    void* pftExpiration,
    uint32_t cRoles,
    void* pRoles,
    uint16_t** ppwzInvitation);
C, "P2P.dll");
// $ffi->PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation);
// hGroup : void*
// pwzIdentityInfo : LPCWSTR
// pftExpiration : FILETIME* optional
// cRoles : DWORD
// pRoles : GUID* optional
// ppwzInvitation : LPWSTR* out
// 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 P2p extends StdCallLibrary {
    P2p INSTANCE = Native.load("p2p", P2p.class);
    int PeerGroupCreateInvitation(
        Pointer hGroup,   // void*
        WString pwzIdentityInfo,   // LPCWSTR
        Pointer pftExpiration,   // FILETIME* optional
        int cRoles,   // DWORD
        Pointer pRoles,   // GUID* optional
        PointerByReference ppwzInvitation   // LPWSTR* out
    );
}

@[Link("p2p")]
lib LibP2P
  fun PeerGroupCreateInvitation = PeerGroupCreateInvitation(
    hGroup : Void*,   # void*
    pwzIdentityInfo : UInt16*,   # LPCWSTR
    pftExpiration : FILETIME*,   # FILETIME* optional
    cRoles : UInt32,   # DWORD
    pRoles : GUID*,   # GUID* optional
    ppwzInvitation : UInt16**   # LPWSTR* out
  ) : 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 PeerGroupCreateInvitationNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Pointer<Utf16>>);
typedef PeerGroupCreateInvitationDart = int Function(Pointer<Void>, Pointer<Utf16>, Pointer<Void>, int, Pointer<Void>, Pointer<Pointer<Utf16>>);
final PeerGroupCreateInvitation = DynamicLibrary.open('P2P.dll')
    .lookupFunction<PeerGroupCreateInvitationNative, PeerGroupCreateInvitationDart>('PeerGroupCreateInvitation');
// hGroup : void* -> Pointer<Void>
// pwzIdentityInfo : LPCWSTR -> Pointer<Utf16>
// pftExpiration : FILETIME* optional -> Pointer<Void>
// cRoles : DWORD -> Uint32
// pRoles : GUID* optional -> Pointer<Void>
// ppwzInvitation : LPWSTR* out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PeerGroupCreateInvitation(
  hGroup: Pointer;   // void*
  pwzIdentityInfo: PWideChar;   // LPCWSTR
  pftExpiration: Pointer;   // FILETIME* optional
  cRoles: DWORD;   // DWORD
  pRoles: PGUID;   // GUID* optional
  ppwzInvitation: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerGroupCreateInvitation';

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

foreign import stdcall safe "PeerGroupCreateInvitation"
  c_PeerGroupCreateInvitation :: Ptr () -> CWString -> Ptr () -> Word32 -> Ptr () -> Ptr CWString -> IO Int32
-- hGroup : void* -> Ptr ()
-- pwzIdentityInfo : LPCWSTR -> CWString
-- pftExpiration : FILETIME* optional -> Ptr ()
-- cRoles : DWORD -> Word32
-- pRoles : GUID* optional -> Ptr ()
-- ppwzInvitation : LPWSTR* out -> Ptr CWString
-- 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 peergroupcreateinvitation =
  foreign "PeerGroupCreateInvitation"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr (ptr uint16_t)) @-> returning int32_t)
(* hGroup : void* -> (ptr void) *)
(* pwzIdentityInfo : LPCWSTR -> (ptr uint16_t) *)
(* pftExpiration : FILETIME* optional -> (ptr void) *)
(* cRoles : DWORD -> uint32_t *)
(* pRoles : GUID* optional -> (ptr void) *)
(* ppwzInvitation : LPWSTR* out -> (ptr (ptr uint16_t)) *)
(* 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 p2p (t "P2P.dll"))
(cffi:use-foreign-library p2p)

(cffi:defcfun ("PeerGroupCreateInvitation" peer-group-create-invitation :convention :stdcall) :int32
  (h-group :pointer)   ; void*
  (pwz-identity-info (:string :encoding :utf-16le))   ; LPCWSTR
  (pft-expiration :pointer)   ; FILETIME* optional
  (c-roles :uint32)   ; DWORD
  (p-roles :pointer)   ; GUID* optional
  (ppwz-invitation :pointer))   ; LPWSTR* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PeerGroupCreateInvitation = Win32::API::More->new('P2P',
    'int PeerGroupCreateInvitation(LPVOID hGroup, LPCWSTR pwzIdentityInfo, LPVOID pftExpiration, DWORD cRoles, LPVOID pRoles, LPVOID ppwzInvitation)');
# my $ret = $PeerGroupCreateInvitation->Call($hGroup, $pwzIdentityInfo, $pftExpiration, $cRoles, $pRoles, $ppwzInvitation);
# hGroup : void* -> LPVOID
# pwzIdentityInfo : LPCWSTR -> LPCWSTR
# pftExpiration : FILETIME* optional -> LPVOID
# cRoles : DWORD -> DWORD
# pRoles : GUID* optional -> LPVOID
# ppwzInvitation : LPWSTR* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。