MQOpenQueue

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

HRESULT MQOpenQueue(
    LPCWSTR lpwcsFormatName,
    DWORD dwAccess,
    DWORD dwShareMode,
    INT_PTR* phQueue
);

<DllImport("mqrt.dll", ExactSpelling:=True)>
Public Shared Function MQOpenQueue(
    <MarshalAs(UnmanagedType.LPWStr)> lpwcsFormatName As String,   ' LPCWSTR
    dwAccess As UInteger,   ' DWORD
    dwShareMode As UInteger,   ' DWORD
    <Out> ByRef phQueue As IntPtr   ' INT_PTR* out
) As Integer
End Function

' lpwcsFormatName : LPCWSTR
' dwAccess : DWORD
' dwShareMode : DWORD
' phQueue : INT_PTR* out
Declare PtrSafe Function MQOpenQueue Lib "mqrt" ( _
    ByVal lpwcsFormatName As LongPtr, _
    ByVal dwAccess As Long, _
    ByVal dwShareMode As Long, _
    ByRef phQueue 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

MQOpenQueue = ctypes.windll.mqrt.MQOpenQueue
MQOpenQueue.restype = ctypes.c_int
MQOpenQueue.argtypes = [
    wintypes.LPCWSTR,  # lpwcsFormatName : LPCWSTR
    wintypes.DWORD,  # dwAccess : DWORD
    wintypes.DWORD,  # dwShareMode : DWORD
    ctypes.POINTER(ctypes.c_ssize_t),  # phQueue : INT_PTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mqrt.dll')
MQOpenQueue = Fiddle::Function.new(
  lib['MQOpenQueue'],
  [
    Fiddle::TYPE_VOIDP,  # lpwcsFormatName : LPCWSTR
    -Fiddle::TYPE_INT,  # dwAccess : DWORD
    -Fiddle::TYPE_INT,  # dwShareMode : DWORD
    Fiddle::TYPE_VOIDP,  # phQueue : INT_PTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mqrt")]
extern "system" {
    fn MQOpenQueue(
        lpwcsFormatName: *const u16,  // LPCWSTR
        dwAccess: u32,  // DWORD
        dwShareMode: u32,  // DWORD
        phQueue: *mut isize  // INT_PTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("mqrt.dll")]
public static extern int MQOpenQueue([MarshalAs(UnmanagedType.LPWStr)] string lpwcsFormatName, uint dwAccess, uint dwShareMode, out IntPtr phQueue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mqrt_MQOpenQueue' -Namespace Win32 -PassThru
# $api::MQOpenQueue(lpwcsFormatName, dwAccess, dwShareMode, phQueue)

#uselib "mqrt.dll"
#func global MQOpenQueue "MQOpenQueue" sptr, sptr, sptr, sptr
; MQOpenQueue lpwcsFormatName, dwAccess, dwShareMode, varptr(phQueue)   ; 戻り値は stat
; lpwcsFormatName : LPCWSTR -> "sptr"
; dwAccess : DWORD -> "sptr"
; dwShareMode : DWORD -> "sptr"
; phQueue : INT_PTR* 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 MQOpenQueue "MQOpenQueue" wstr, int, int, var
; res = MQOpenQueue(lpwcsFormatName, dwAccess, dwShareMode, phQueue)
; lpwcsFormatName : LPCWSTR -> "wstr"
; dwAccess : DWORD -> "int"
; dwShareMode : DWORD -> "int"
; phQueue : INT_PTR* 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 MQOpenQueue(LPCWSTR lpwcsFormatName, DWORD dwAccess, DWORD dwShareMode, INT_PTR* phQueue)
#uselib "mqrt.dll"
#cfunc global MQOpenQueue "MQOpenQueue" wstr, int, int, var
; res = MQOpenQueue(lpwcsFormatName, dwAccess, dwShareMode, phQueue)
; lpwcsFormatName : LPCWSTR -> "wstr"
; dwAccess : DWORD -> "int"
; dwShareMode : DWORD -> "int"
; phQueue : INT_PTR* 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")
	procMQOpenQueue = mqrt.NewProc("MQOpenQueue")
)

// lpwcsFormatName (LPCWSTR), dwAccess (DWORD), dwShareMode (DWORD), phQueue (INT_PTR* out)
r1, _, err := procMQOpenQueue.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpwcsFormatName))),
	uintptr(dwAccess),
	uintptr(dwShareMode),
	uintptr(phQueue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MQOpenQueue(
  lpwcsFormatName: PWideChar;   // LPCWSTR
  dwAccess: DWORD;   // DWORD
  dwShareMode: DWORD;   // DWORD
  phQueue: Pointer   // INT_PTR* out
): Integer; stdcall;
  external 'mqrt.dll' name 'MQOpenQueue';

result := DllCall("mqrt\MQOpenQueue"
    , "WStr", lpwcsFormatName   ; LPCWSTR
    , "UInt", dwAccess   ; DWORD
    , "UInt", dwShareMode   ; DWORD
    , "Ptr", phQueue   ; INT_PTR* out
    , "Int")   ; return: HRESULT

●MQOpenQueue(lpwcsFormatName, dwAccess, dwShareMode, phQueue) = DLL("mqrt.dll", "int MQOpenQueue(char*, dword, dword, void*)")
# 呼び出し: MQOpenQueue(lpwcsFormatName, dwAccess, dwShareMode, phQueue)
# lpwcsFormatName : LPCWSTR -> "char*"
# dwAccess : DWORD -> "dword"
# dwShareMode : DWORD -> "dword"
# phQueue : INT_PTR* 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)。