PeerIdentitySetFriendlyName

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

HRESULT PeerIdentitySetFriendlyName(
    LPCWSTR pwzIdentity,   // optional
    LPCWSTR pwzFriendlyName
);

<DllImport("P2P.dll", ExactSpelling:=True)>
Public Shared Function PeerIdentitySetFriendlyName(
    <MarshalAs(UnmanagedType.LPWStr)> pwzIdentity As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> pwzFriendlyName As String   ' LPCWSTR
) As Integer
End Function

' pwzIdentity : LPCWSTR optional
' pwzFriendlyName : LPCWSTR
Declare PtrSafe Function PeerIdentitySetFriendlyName Lib "p2p" ( _
    ByVal pwzIdentity As LongPtr, _
    ByVal pwzFriendlyName 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

PeerIdentitySetFriendlyName = ctypes.windll.p2p.PeerIdentitySetFriendlyName
PeerIdentitySetFriendlyName.restype = ctypes.c_int
PeerIdentitySetFriendlyName.argtypes = [
    wintypes.LPCWSTR,  # pwzIdentity : LPCWSTR optional
    wintypes.LPCWSTR,  # pwzFriendlyName : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerIdentitySetFriendlyName = Fiddle::Function.new(
  lib['PeerIdentitySetFriendlyName'],
  [
    Fiddle::TYPE_VOIDP,  # pwzIdentity : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pwzFriendlyName : LPCWSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2p")]
extern "system" {
    fn PeerIdentitySetFriendlyName(
        pwzIdentity: *const u16,  // LPCWSTR optional
        pwzFriendlyName: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerIdentitySetFriendlyName([MarshalAs(UnmanagedType.LPWStr)] string pwzIdentity, [MarshalAs(UnmanagedType.LPWStr)] string pwzFriendlyName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerIdentitySetFriendlyName' -Namespace Win32 -PassThru
# $api::PeerIdentitySetFriendlyName(pwzIdentity, pwzFriendlyName)

#uselib "P2P.dll"
#func global PeerIdentitySetFriendlyName "PeerIdentitySetFriendlyName" sptr, sptr
; PeerIdentitySetFriendlyName pwzIdentity, pwzFriendlyName   ; 戻り値は stat
; pwzIdentity : LPCWSTR optional -> "sptr"
; pwzFriendlyName : LPCWSTR -> "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 PeerIdentitySetFriendlyName "PeerIdentitySetFriendlyName" wstr, wstr
; res = PeerIdentitySetFriendlyName(pwzIdentity, pwzFriendlyName)
; pwzIdentity : LPCWSTR optional -> "wstr"
; pwzFriendlyName : LPCWSTR -> "wstr"

; HRESULT PeerIdentitySetFriendlyName(LPCWSTR pwzIdentity, LPCWSTR pwzFriendlyName)
#uselib "P2P.dll"
#cfunc global PeerIdentitySetFriendlyName "PeerIdentitySetFriendlyName" wstr, wstr
; res = PeerIdentitySetFriendlyName(pwzIdentity, pwzFriendlyName)
; pwzIdentity : LPCWSTR optional -> "wstr"
; pwzFriendlyName : LPCWSTR -> "wstr"

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

var (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerIdentitySetFriendlyName = p2p.NewProc("PeerIdentitySetFriendlyName")
)

// pwzIdentity (LPCWSTR optional), pwzFriendlyName (LPCWSTR)
r1, _, err := procPeerIdentitySetFriendlyName.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzIdentity))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwzFriendlyName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerIdentitySetFriendlyName(
  pwzIdentity: PWideChar;   // LPCWSTR optional
  pwzFriendlyName: PWideChar   // LPCWSTR
): Integer; stdcall;
  external 'P2P.dll' name 'PeerIdentitySetFriendlyName';

result := DllCall("P2P\PeerIdentitySetFriendlyName"
    , "WStr", pwzIdentity   ; LPCWSTR optional
    , "WStr", pwzFriendlyName   ; LPCWSTR
    , "Int")   ; return: HRESULT

●PeerIdentitySetFriendlyName(pwzIdentity, pwzFriendlyName) = DLL("P2P.dll", "int PeerIdentitySetFriendlyName(char*, char*)")
# 呼び出し: PeerIdentitySetFriendlyName(pwzIdentity, pwzFriendlyName)
# pwzIdentity : LPCWSTR optional -> "char*"
# pwzFriendlyName : LPCWSTR -> "char*"
# 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)。