MQLocateNext

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

HRESULT MQLocateNext(
    HANDLE hEnum,
    DWORD* pcProps,
    PROPVARIANT* aPropVar
);

<DllImport("mqrt.dll", ExactSpelling:=True)>
Public Shared Function MQLocateNext(
    hEnum As IntPtr,   ' HANDLE
    ByRef pcProps As UInteger,   ' DWORD* in/out
    aPropVar As IntPtr   ' PROPVARIANT* out
) As Integer
End Function

' hEnum : HANDLE
' pcProps : DWORD* in/out
' aPropVar : PROPVARIANT* out
Declare PtrSafe Function MQLocateNext Lib "mqrt" ( _
    ByVal hEnum As LongPtr, _
    ByRef pcProps As Long, _
    ByVal aPropVar 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

MQLocateNext = ctypes.windll.mqrt.MQLocateNext
MQLocateNext.restype = ctypes.c_int
MQLocateNext.argtypes = [
    wintypes.HANDLE,  # hEnum : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # pcProps : DWORD* in/out
    ctypes.c_void_p,  # aPropVar : PROPVARIANT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mqrt.dll')
MQLocateNext = Fiddle::Function.new(
  lib['MQLocateNext'],
  [
    Fiddle::TYPE_VOIDP,  # hEnum : HANDLE
    Fiddle::TYPE_VOIDP,  # pcProps : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # aPropVar : PROPVARIANT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mqrt")]
extern "system" {
    fn MQLocateNext(
        hEnum: *mut core::ffi::c_void,  // HANDLE
        pcProps: *mut u32,  // DWORD* in/out
        aPropVar: *mut PROPVARIANT  // PROPVARIANT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("mqrt.dll")]
public static extern int MQLocateNext(IntPtr hEnum, ref uint pcProps, IntPtr aPropVar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mqrt_MQLocateNext' -Namespace Win32 -PassThru
# $api::MQLocateNext(hEnum, pcProps, aPropVar)

#uselib "mqrt.dll"
#func global MQLocateNext "MQLocateNext" sptr, sptr, sptr
; MQLocateNext hEnum, varptr(pcProps), varptr(aPropVar)   ; 戻り値は stat
; hEnum : HANDLE -> "sptr"
; pcProps : DWORD* in/out -> "sptr"
; aPropVar : PROPVARIANT* 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 "mqrt.dll"
#cfunc global MQLocateNext "MQLocateNext" sptr, var, var
; res = MQLocateNext(hEnum, pcProps, aPropVar)
; hEnum : HANDLE -> "sptr"
; pcProps : DWORD* in/out -> "var"
; aPropVar : PROPVARIANT* 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。

; HRESULT MQLocateNext(HANDLE hEnum, DWORD* pcProps, PROPVARIANT* aPropVar)
#uselib "mqrt.dll"
#cfunc global MQLocateNext "MQLocateNext" intptr, var, var
; res = MQLocateNext(hEnum, pcProps, aPropVar)
; hEnum : HANDLE -> "intptr"
; pcProps : DWORD* in/out -> "var"
; aPropVar : PROPVARIANT* 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 (
	mqrt = windows.NewLazySystemDLL("mqrt.dll")
	procMQLocateNext = mqrt.NewProc("MQLocateNext")
)

// hEnum (HANDLE), pcProps (DWORD* in/out), aPropVar (PROPVARIANT* out)
r1, _, err := procMQLocateNext.Call(
	uintptr(hEnum),
	uintptr(pcProps),
	uintptr(aPropVar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MQLocateNext(
  hEnum: THandle;   // HANDLE
  pcProps: Pointer;   // DWORD* in/out
  aPropVar: Pointer   // PROPVARIANT* out
): Integer; stdcall;
  external 'mqrt.dll' name 'MQLocateNext';

result := DllCall("mqrt\MQLocateNext"
    , "Ptr", hEnum   ; HANDLE
    , "Ptr", pcProps   ; DWORD* in/out
    , "Ptr", aPropVar   ; PROPVARIANT* out
    , "Int")   ; return: HRESULT

●MQLocateNext(hEnum, pcProps, aPropVar) = DLL("mqrt.dll", "int MQLocateNext(void*, void*, void*)")
# 呼び出し: MQLocateNext(hEnum, pcProps, aPropVar)
# hEnum : HANDLE -> "void*"
# pcProps : DWORD* in/out -> "void*"
# aPropVar : PROPVARIANT* 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)。