PeerCollabDeleteContact

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

HRESULT PeerCollabDeleteContact(
    LPCWSTR pwzPeerName
);

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

' pwzPeerName : LPCWSTR
Declare PtrSafe Function PeerCollabDeleteContact Lib "p2p" ( _
    ByVal pwzPeerName 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

PeerCollabDeleteContact = ctypes.windll.p2p.PeerCollabDeleteContact
PeerCollabDeleteContact.restype = ctypes.c_int
PeerCollabDeleteContact.argtypes = [
    wintypes.LPCWSTR,  # pwzPeerName : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2P.dll')
PeerCollabDeleteContact = Fiddle::Function.new(
  lib['PeerCollabDeleteContact'],
  [
    Fiddle::TYPE_VOIDP,  # pwzPeerName : LPCWSTR
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("P2P.dll")]
public static extern int PeerCollabDeleteContact([MarshalAs(UnmanagedType.LPWStr)] string pwzPeerName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2P_PeerCollabDeleteContact' -Namespace Win32 -PassThru
# $api::PeerCollabDeleteContact(pwzPeerName)

#uselib "P2P.dll"
#func global PeerCollabDeleteContact "PeerCollabDeleteContact" sptr
; PeerCollabDeleteContact pwzPeerName   ; 戻り値は stat
; pwzPeerName : 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 PeerCollabDeleteContact "PeerCollabDeleteContact" wstr
; res = PeerCollabDeleteContact(pwzPeerName)
; pwzPeerName : LPCWSTR -> "wstr"

; HRESULT PeerCollabDeleteContact(LPCWSTR pwzPeerName)
#uselib "P2P.dll"
#cfunc global PeerCollabDeleteContact "PeerCollabDeleteContact" wstr
; res = PeerCollabDeleteContact(pwzPeerName)
; pwzPeerName : LPCWSTR -> "wstr"

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

var (
	p2p = windows.NewLazySystemDLL("P2P.dll")
	procPeerCollabDeleteContact = p2p.NewProc("PeerCollabDeleteContact")
)

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

function PeerCollabDeleteContact(
  pwzPeerName: PWideChar   // LPCWSTR
): Integer; stdcall;
  external 'P2P.dll' name 'PeerCollabDeleteContact';

result := DllCall("P2P\PeerCollabDeleteContact"
    , "WStr", pwzPeerName   ; LPCWSTR
    , "Int")   ; return: HRESULT

●PeerCollabDeleteContact(pwzPeerName) = DLL("P2P.dll", "int PeerCollabDeleteContact(char*)")
# 呼び出し: PeerCollabDeleteContact(pwzPeerName)
# pwzPeerName : 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)。