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。

#uselib "P2P.dll"
#cfunc global PeerGroupCreateInvitation "PeerGroupCreateInvitation" sptr, wstr, var, int, var, var
; res = PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation)
; hGroup : void* -> "sptr"
; pwzIdentityInfo : LPCWSTR -> "wstr"
; pftExpiration : FILETIME* optional -> "var"
; cRoles : DWORD -> "int"
; pRoles : GUID* optional -> "var"
; ppwzInvitation : LPWSTR* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT PeerGroupCreateInvitation(void* hGroup, LPCWSTR pwzIdentityInfo, FILETIME* pftExpiration, DWORD cRoles, GUID* pRoles, LPWSTR* ppwzInvitation)
#uselib "P2P.dll"
#cfunc global PeerGroupCreateInvitation "PeerGroupCreateInvitation" intptr, wstr, var, int, var, var
; res = PeerGroupCreateInvitation(hGroup, pwzIdentityInfo, pftExpiration, cRoles, pRoles, ppwzInvitation)
; hGroup : void* -> "intptr"
; pwzIdentityInfo : LPCWSTR -> "wstr"
; pftExpiration : FILETIME* optional -> "var"
; cRoles : DWORD -> "int"
; pRoles : GUID* optional -> "var"
; ppwzInvitation : LPWSTR* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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)。