PeerGraphSetPresence

// P2PGRAPH.dll
#include <windows.h>

HRESULT PeerGraphSetPresence(
    void* hGraph,
    BOOL fPresent
);

<DllImport("P2PGRAPH.dll", ExactSpelling:=True)>
Public Shared Function PeerGraphSetPresence(
    hGraph As IntPtr,   ' void*
    fPresent As Boolean   ' BOOL
) As Integer
End Function

' hGraph : void*
' fPresent : BOOL
Declare PtrSafe Function PeerGraphSetPresence Lib "p2pgraph" ( _
    ByVal hGraph As LongPtr, _
    ByVal fPresent As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PeerGraphSetPresence = ctypes.windll.p2pgraph.PeerGraphSetPresence
PeerGraphSetPresence.restype = ctypes.c_int
PeerGraphSetPresence.argtypes = [
    ctypes.POINTER(None),  # hGraph : void*
    wintypes.BOOL,  # fPresent : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2PGRAPH.dll')
PeerGraphSetPresence = Fiddle::Function.new(
  lib['PeerGraphSetPresence'],
  [
    Fiddle::TYPE_VOIDP,  # hGraph : void*
    Fiddle::TYPE_INT,  # fPresent : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2pgraph")]
extern "system" {
    fn PeerGraphSetPresence(
        hGraph: *mut (),  // void*
        fPresent: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2PGRAPH.dll")]
public static extern int PeerGraphSetPresence(IntPtr hGraph, bool fPresent);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2PGRAPH_PeerGraphSetPresence' -Namespace Win32 -PassThru
# $api::PeerGraphSetPresence(hGraph, fPresent)

#uselib "P2PGRAPH.dll"
#func global PeerGraphSetPresence "PeerGraphSetPresence" sptr, sptr
; PeerGraphSetPresence hGraph, fPresent   ; 戻り値は stat
; hGraph : void* -> "sptr"
; fPresent : BOOL -> "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 "P2PGRAPH.dll"
#cfunc global PeerGraphSetPresence "PeerGraphSetPresence" sptr, int
; res = PeerGraphSetPresence(hGraph, fPresent)
; hGraph : void* -> "sptr"
; fPresent : BOOL -> "int"

; HRESULT PeerGraphSetPresence(void* hGraph, BOOL fPresent)
#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphSetPresence "PeerGraphSetPresence" intptr, int
; res = PeerGraphSetPresence(hGraph, fPresent)
; hGraph : void* -> "intptr"
; fPresent : BOOL -> "int"

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

var (
	p2pgraph = windows.NewLazySystemDLL("P2PGRAPH.dll")
	procPeerGraphSetPresence = p2pgraph.NewProc("PeerGraphSetPresence")
)

// hGraph (void*), fPresent (BOOL)
r1, _, err := procPeerGraphSetPresence.Call(
	uintptr(hGraph),
	uintptr(fPresent),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGraphSetPresence(
  hGraph: Pointer;   // void*
  fPresent: BOOL   // BOOL
): Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphSetPresence';

result := DllCall("P2PGRAPH\PeerGraphSetPresence"
    , "Ptr", hGraph   ; void*
    , "Int", fPresent   ; BOOL
    , "Int")   ; return: HRESULT

●PeerGraphSetPresence(hGraph, fPresent) = DLL("P2PGRAPH.dll", "int PeerGraphSetPresence(void*, bool)")
# 呼び出し: PeerGraphSetPresence(hGraph, fPresent)
# hGraph : void* -> "void*"
# fPresent : BOOL -> "bool"
# 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)。