PeerGraphGetNodeInfo

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

HRESULT PeerGraphGetNodeInfo(
    void* hGraph,
    ULONGLONG ullNodeId,
    PEER_NODE_INFO** ppNodeInfo
);

<DllImport("P2PGRAPH.dll", ExactSpelling:=True)>
Public Shared Function PeerGraphGetNodeInfo(
    hGraph As IntPtr,   ' void*
    ullNodeId As ULong,   ' ULONGLONG
    ppNodeInfo As IntPtr   ' PEER_NODE_INFO** out
) As Integer
End Function

' hGraph : void*
' ullNodeId : ULONGLONG
' ppNodeInfo : PEER_NODE_INFO** out
Declare PtrSafe Function PeerGraphGetNodeInfo Lib "p2pgraph" ( _
    ByVal hGraph As LongPtr, _
    ByVal ullNodeId As LongLong, _
    ByVal ppNodeInfo 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

PeerGraphGetNodeInfo = ctypes.windll.p2pgraph.PeerGraphGetNodeInfo
PeerGraphGetNodeInfo.restype = ctypes.c_int
PeerGraphGetNodeInfo.argtypes = [
    ctypes.POINTER(None),  # hGraph : void*
    ctypes.c_ulonglong,  # ullNodeId : ULONGLONG
    ctypes.c_void_p,  # ppNodeInfo : PEER_NODE_INFO** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('P2PGRAPH.dll')
PeerGraphGetNodeInfo = Fiddle::Function.new(
  lib['PeerGraphGetNodeInfo'],
  [
    Fiddle::TYPE_VOIDP,  # hGraph : void*
    -Fiddle::TYPE_LONG_LONG,  # ullNodeId : ULONGLONG
    Fiddle::TYPE_VOIDP,  # ppNodeInfo : PEER_NODE_INFO** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "p2pgraph")]
extern "system" {
    fn PeerGraphGetNodeInfo(
        hGraph: *mut (),  // void*
        ullNodeId: u64,  // ULONGLONG
        ppNodeInfo: *mut *mut PEER_NODE_INFO  // PEER_NODE_INFO** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("P2PGRAPH.dll")]
public static extern int PeerGraphGetNodeInfo(IntPtr hGraph, ulong ullNodeId, IntPtr ppNodeInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'P2PGRAPH_PeerGraphGetNodeInfo' -Namespace Win32 -PassThru
# $api::PeerGraphGetNodeInfo(hGraph, ullNodeId, ppNodeInfo)

#uselib "P2PGRAPH.dll"
#func global PeerGraphGetNodeInfo "PeerGraphGetNodeInfo" sptr, sptr, sptr
; PeerGraphGetNodeInfo hGraph, ullNodeId, varptr(ppNodeInfo)   ; 戻り値は stat
; hGraph : void* -> "sptr"
; ullNodeId : ULONGLONG -> "sptr"
; ppNodeInfo : PEER_NODE_INFO** out -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 PeerGraphGetNodeInfo "PeerGraphGetNodeInfo" sptr, int64, var
; res = PeerGraphGetNodeInfo(hGraph, ullNodeId, ppNodeInfo)
; hGraph : void* -> "sptr"
; ullNodeId : ULONGLONG -> "int64"
; ppNodeInfo : PEER_NODE_INFO** 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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

; HRESULT PeerGraphGetNodeInfo(void* hGraph, ULONGLONG ullNodeId, PEER_NODE_INFO** ppNodeInfo)
#uselib "P2PGRAPH.dll"
#cfunc global PeerGraphGetNodeInfo "PeerGraphGetNodeInfo" intptr, int64, var
; res = PeerGraphGetNodeInfo(hGraph, ullNodeId, ppNodeInfo)
; hGraph : void* -> "intptr"
; ullNodeId : ULONGLONG -> "int64"
; ppNodeInfo : PEER_NODE_INFO** 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 (
	p2pgraph = windows.NewLazySystemDLL("P2PGRAPH.dll")
	procPeerGraphGetNodeInfo = p2pgraph.NewProc("PeerGraphGetNodeInfo")
)

// hGraph (void*), ullNodeId (ULONGLONG), ppNodeInfo (PEER_NODE_INFO** out)
r1, _, err := procPeerGraphGetNodeInfo.Call(
	uintptr(hGraph),
	uintptr(ullNodeId),
	uintptr(ppNodeInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PeerGraphGetNodeInfo(
  hGraph: Pointer;   // void*
  ullNodeId: UInt64;   // ULONGLONG
  ppNodeInfo: Pointer   // PEER_NODE_INFO** out
): Integer; stdcall;
  external 'P2PGRAPH.dll' name 'PeerGraphGetNodeInfo';

result := DllCall("P2PGRAPH\PeerGraphGetNodeInfo"
    , "Ptr", hGraph   ; void*
    , "Int64", ullNodeId   ; ULONGLONG
    , "Ptr", ppNodeInfo   ; PEER_NODE_INFO** out
    , "Int")   ; return: HRESULT

●PeerGraphGetNodeInfo(hGraph, ullNodeId, ppNodeInfo) = DLL("P2PGRAPH.dll", "int PeerGraphGetNodeInfo(void*, qword, void*)")
# 呼び出し: PeerGraphGetNodeInfo(hGraph, ullNodeId, ppNodeInfo)
# hGraph : void* -> "void*"
# ullNodeId : ULONGLONG -> "qword"
# ppNodeInfo : PEER_NODE_INFO** 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)。