NetQueryDisplayInformation

// NETAPI32.dll
#include <windows.h>

DWORD NetQueryDisplayInformation(
    LPCWSTR ServerName,
    DWORD Level,
    DWORD Index,
    DWORD EntriesRequested,
    DWORD PreferredMaximumLength,
    DWORD* ReturnedEntryCount,
    void** SortedBuffer
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetQueryDisplayInformation(
    <MarshalAs(UnmanagedType.LPWStr)> ServerName As String,   ' LPCWSTR
    Level As UInteger,   ' DWORD
    Index As UInteger,   ' DWORD
    EntriesRequested As UInteger,   ' DWORD
    PreferredMaximumLength As UInteger,   ' DWORD
    ByRef ReturnedEntryCount As UInteger,   ' DWORD* in/out
    SortedBuffer As IntPtr   ' void** in/out
) As UInteger
End Function

' ServerName : LPCWSTR
' Level : DWORD
' Index : DWORD
' EntriesRequested : DWORD
' PreferredMaximumLength : DWORD
' ReturnedEntryCount : DWORD* in/out
' SortedBuffer : void** in/out
Declare PtrSafe Function NetQueryDisplayInformation Lib "netapi32" ( _
    ByVal ServerName As LongPtr, _
    ByVal Level As Long, _
    ByVal Index As Long, _
    ByVal EntriesRequested As Long, _
    ByVal PreferredMaximumLength As Long, _
    ByRef ReturnedEntryCount As Long, _
    ByVal SortedBuffer 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

NetQueryDisplayInformation = ctypes.windll.netapi32.NetQueryDisplayInformation
NetQueryDisplayInformation.restype = wintypes.DWORD
NetQueryDisplayInformation.argtypes = [
    wintypes.LPCWSTR,  # ServerName : LPCWSTR
    wintypes.DWORD,  # Level : DWORD
    wintypes.DWORD,  # Index : DWORD
    wintypes.DWORD,  # EntriesRequested : DWORD
    wintypes.DWORD,  # PreferredMaximumLength : DWORD
    ctypes.POINTER(wintypes.DWORD),  # ReturnedEntryCount : DWORD* in/out
    ctypes.c_void_p,  # SortedBuffer : void** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetQueryDisplayInformation = Fiddle::Function.new(
  lib['NetQueryDisplayInformation'],
  [
    Fiddle::TYPE_VOIDP,  # ServerName : LPCWSTR
    -Fiddle::TYPE_INT,  # Level : DWORD
    -Fiddle::TYPE_INT,  # Index : DWORD
    -Fiddle::TYPE_INT,  # EntriesRequested : DWORD
    -Fiddle::TYPE_INT,  # PreferredMaximumLength : DWORD
    Fiddle::TYPE_VOIDP,  # ReturnedEntryCount : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # SortedBuffer : void** in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetQueryDisplayInformation(
        ServerName: *const u16,  // LPCWSTR
        Level: u32,  // DWORD
        Index: u32,  // DWORD
        EntriesRequested: u32,  // DWORD
        PreferredMaximumLength: u32,  // DWORD
        ReturnedEntryCount: *mut u32,  // DWORD* in/out
        SortedBuffer: *mut *mut ()  // void** in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetQueryDisplayInformation([MarshalAs(UnmanagedType.LPWStr)] string ServerName, uint Level, uint Index, uint EntriesRequested, uint PreferredMaximumLength, ref uint ReturnedEntryCount, IntPtr SortedBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetQueryDisplayInformation' -Namespace Win32 -PassThru
# $api::NetQueryDisplayInformation(ServerName, Level, Index, EntriesRequested, PreferredMaximumLength, ReturnedEntryCount, SortedBuffer)

#uselib "NETAPI32.dll"
#func global NetQueryDisplayInformation "NetQueryDisplayInformation" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; NetQueryDisplayInformation ServerName, Level, Index, EntriesRequested, PreferredMaximumLength, varptr(ReturnedEntryCount), SortedBuffer   ; 戻り値は stat
; ServerName : LPCWSTR -> "sptr"
; Level : DWORD -> "sptr"
; Index : DWORD -> "sptr"
; EntriesRequested : DWORD -> "sptr"
; PreferredMaximumLength : DWORD -> "sptr"
; ReturnedEntryCount : DWORD* in/out -> "sptr"
; SortedBuffer : void** in/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 "NETAPI32.dll"
#cfunc global NetQueryDisplayInformation "NetQueryDisplayInformation" wstr, int, int, int, int, var, sptr
; res = NetQueryDisplayInformation(ServerName, Level, Index, EntriesRequested, PreferredMaximumLength, ReturnedEntryCount, SortedBuffer)
; ServerName : LPCWSTR -> "wstr"
; Level : DWORD -> "int"
; Index : DWORD -> "int"
; EntriesRequested : DWORD -> "int"
; PreferredMaximumLength : DWORD -> "int"
; ReturnedEntryCount : DWORD* in/out -> "var"
; SortedBuffer : void** in/out -> "sptr"
; ※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。

; DWORD NetQueryDisplayInformation(LPCWSTR ServerName, DWORD Level, DWORD Index, DWORD EntriesRequested, DWORD PreferredMaximumLength, DWORD* ReturnedEntryCount, void** SortedBuffer)
#uselib "NETAPI32.dll"
#cfunc global NetQueryDisplayInformation "NetQueryDisplayInformation" wstr, int, int, int, int, var, intptr
; res = NetQueryDisplayInformation(ServerName, Level, Index, EntriesRequested, PreferredMaximumLength, ReturnedEntryCount, SortedBuffer)
; ServerName : LPCWSTR -> "wstr"
; Level : DWORD -> "int"
; Index : DWORD -> "int"
; EntriesRequested : DWORD -> "int"
; PreferredMaximumLength : DWORD -> "int"
; ReturnedEntryCount : DWORD* in/out -> "var"
; SortedBuffer : void** in/out -> "intptr"
; ※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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetQueryDisplayInformation = netapi32.NewProc("NetQueryDisplayInformation")
)

// ServerName (LPCWSTR), Level (DWORD), Index (DWORD), EntriesRequested (DWORD), PreferredMaximumLength (DWORD), ReturnedEntryCount (DWORD* in/out), SortedBuffer (void** in/out)
r1, _, err := procNetQueryDisplayInformation.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ServerName))),
	uintptr(Level),
	uintptr(Index),
	uintptr(EntriesRequested),
	uintptr(PreferredMaximumLength),
	uintptr(ReturnedEntryCount),
	uintptr(SortedBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetQueryDisplayInformation(
  ServerName: PWideChar;   // LPCWSTR
  Level: DWORD;   // DWORD
  Index: DWORD;   // DWORD
  EntriesRequested: DWORD;   // DWORD
  PreferredMaximumLength: DWORD;   // DWORD
  ReturnedEntryCount: Pointer;   // DWORD* in/out
  SortedBuffer: Pointer   // void** in/out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetQueryDisplayInformation';

result := DllCall("NETAPI32\NetQueryDisplayInformation"
    , "WStr", ServerName   ; LPCWSTR
    , "UInt", Level   ; DWORD
    , "UInt", Index   ; DWORD
    , "UInt", EntriesRequested   ; DWORD
    , "UInt", PreferredMaximumLength   ; DWORD
    , "Ptr", ReturnedEntryCount   ; DWORD* in/out
    , "Ptr", SortedBuffer   ; void** in/out
    , "UInt")   ; return: DWORD

●NetQueryDisplayInformation(ServerName, Level, Index, EntriesRequested, PreferredMaximumLength, ReturnedEntryCount, SortedBuffer) = DLL("NETAPI32.dll", "dword NetQueryDisplayInformation(char*, dword, dword, dword, dword, void*, void*)")
# 呼び出し: NetQueryDisplayInformation(ServerName, Level, Index, EntriesRequested, PreferredMaximumLength, ReturnedEntryCount, SortedBuffer)
# ServerName : LPCWSTR -> "char*"
# Level : DWORD -> "dword"
# Index : DWORD -> "dword"
# EntriesRequested : DWORD -> "dword"
# PreferredMaximumLength : DWORD -> "dword"
# ReturnedEntryCount : DWORD* in/out -> "void*"
# SortedBuffer : void** in/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)。