PeerGroupCreatePasswordInvitation

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

HRESULT PeerGroupCreatePasswordInvitation(
    void* hGroup,
    LPWSTR* ppwzInvitation
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerGroupCreatePasswordInvitation(
    hGroup As IntPtr,   ' void*
    ppwzInvitation As IntPtr   ' LPWSTR* out
) As Integer
End Function

' hGroup : void*
' ppwzInvitation : LPWSTR* out
Declare PtrSafe Function PeerGroupCreatePasswordInvitation Lib "p2p" ( _
    ByVal hGroup 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

PeerGroupCreatePasswordInvitation = ctypes.windll.p2p.PeerGroupCreatePasswordInvitation
PeerGroupCreatePasswordInvitation.restype = ctypes.c_int
PeerGroupCreatePasswordInvitation.argtypes = [
    ctypes.POINTER(None),  # hGroup : void*
    ctypes.c_void_p,  # ppwzInvitation : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerGroupCreatePasswordInvitation = Fiddle::Function.new(
  lib['PeerGroupCreatePasswordInvitation'],
  [
    Fiddle::TYPE_VOIDP,  # hGroup : void*
    Fiddle::TYPE_VOIDP,  # ppwzInvitation : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerGroupCreatePasswordInvitation(
        hGroup: *mut (),  // void*
        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 PeerGroupCreatePasswordInvitation(IntPtr hGroup, IntPtr ppwzInvitation);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerGroupCreatePasswordInvitation' -Namespace Win32 -PassThru
# $api::PeerGroupCreatePasswordInvitation(hGroup, ppwzInvitation)

#uselib "P2P.dll"
#func global PeerGroupCreatePasswordInvitation "PeerGroupCreatePasswordInvitation" sptr, sptr
; PeerGroupCreatePasswordInvitation hGroup, varptr(ppwzInvitation)   ; 戻り値は stat
; hGroup : void* -> "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 PeerGroupCreatePasswordInvitation "PeerGroupCreatePasswordInvitation" sptr, var
; res = PeerGroupCreatePasswordInvitation(hGroup, ppwzInvitation)
; hGroup : void* -> "sptr"
; 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 PeerGroupCreatePasswordInvitation(void* hGroup, LPWSTR* ppwzInvitation)
#uselib "P2P.dll"
#cfunc global PeerGroupCreatePasswordInvitation "PeerGroupCreatePasswordInvitation" intptr, var
; res = PeerGroupCreatePasswordInvitation(hGroup, ppwzInvitation)
; hGroup : void* -> "intptr"
; 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")
	procPeerGroupCreatePasswordInvitation = p2p.NewProc("PeerGroupCreatePasswordInvitation")
)

// hGroup (void*), ppwzInvitation (LPWSTR* out)
r1, _, err := procPeerGroupCreatePasswordInvitation.Call(
	uintptr(hGroup),
	uintptr(ppwzInvitation),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGroupCreatePasswordInvitation(
  hGroup: Pointer;   // void*
  ppwzInvitation: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'P2P.dll' name 'PeerGroupCreatePasswordInvitation';

result := DllCall("P2P\PeerGroupCreatePasswordInvitation"
    , "Ptr", hGroup   ; void*
    , "Ptr", ppwzInvitation   ; LPWSTR* out
    , "Int")   ; return: HRESULT

●PeerGroupCreatePasswordInvitation(hGroup, ppwzInvitation) = DLL("P2P.dll", "int PeerGroupCreatePasswordInvitation(void*, void*)")
# 呼び出し: PeerGroupCreatePasswordInvitation(hGroup, ppwzInvitation)
# hGroup : void* -> "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)。