MQInstanceToFormatName

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

HRESULT MQInstanceToFormatName(
    GUID* pGuid,
    LPWSTR lpwcsFormatName,
    DWORD* lpdwFormatNameLength
);

<DllImport("mqrt.dll", ExactSpelling:=True)>
Public Shared Function MQInstanceToFormatName(
    ByRef pGuid As Guid,   ' GUID*
    <MarshalAs(UnmanagedType.LPWStr)> lpwcsFormatName As System.Text.StringBuilder,   ' LPWSTR out
    ByRef lpdwFormatNameLength As UInteger   ' DWORD* in/out
) As Integer
End Function

' pGuid : GUID*
' lpwcsFormatName : LPWSTR out
' lpdwFormatNameLength : DWORD* in/out
Declare PtrSafe Function MQInstanceToFormatName Lib "mqrt" ( _
    ByVal pGuid As LongPtr, _
    ByVal lpwcsFormatName As LongPtr, _
    ByRef lpdwFormatNameLength 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

MQInstanceToFormatName = ctypes.windll.mqrt.MQInstanceToFormatName
MQInstanceToFormatName.restype = ctypes.c_int
MQInstanceToFormatName.argtypes = [
    ctypes.c_void_p,  # pGuid : GUID*
    wintypes.LPWSTR,  # lpwcsFormatName : LPWSTR out
    ctypes.POINTER(wintypes.DWORD),  # lpdwFormatNameLength : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mqrt.dll')
MQInstanceToFormatName = Fiddle::Function.new(
  lib['MQInstanceToFormatName'],
  [
    Fiddle::TYPE_VOIDP,  # pGuid : GUID*
    Fiddle::TYPE_VOIDP,  # lpwcsFormatName : LPWSTR out
    Fiddle::TYPE_VOIDP,  # lpdwFormatNameLength : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mqrt")]
extern "system" {
    fn MQInstanceToFormatName(
        pGuid: *mut GUID,  // GUID*
        lpwcsFormatName: *mut u16,  // LPWSTR out
        lpdwFormatNameLength: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("mqrt.dll")]
public static extern int MQInstanceToFormatName(ref Guid pGuid, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder lpwcsFormatName, ref uint lpdwFormatNameLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mqrt_MQInstanceToFormatName' -Namespace Win32 -PassThru
# $api::MQInstanceToFormatName(pGuid, lpwcsFormatName, lpdwFormatNameLength)

#uselib "mqrt.dll"
#func global MQInstanceToFormatName "MQInstanceToFormatName" sptr, sptr, sptr
; MQInstanceToFormatName varptr(pGuid), varptr(lpwcsFormatName), varptr(lpdwFormatNameLength)   ; 戻り値は stat
; pGuid : GUID* -> "sptr"
; lpwcsFormatName : LPWSTR out -> "sptr"
; lpdwFormatNameLength : DWORD* 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 "mqrt.dll"
#cfunc global MQInstanceToFormatName "MQInstanceToFormatName" var, var, var
; res = MQInstanceToFormatName(pGuid, lpwcsFormatName, lpdwFormatNameLength)
; pGuid : GUID* -> "var"
; lpwcsFormatName : LPWSTR out -> "var"
; lpdwFormatNameLength : DWORD* in/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 MQInstanceToFormatName(GUID* pGuid, LPWSTR lpwcsFormatName, DWORD* lpdwFormatNameLength)
#uselib "mqrt.dll"
#cfunc global MQInstanceToFormatName "MQInstanceToFormatName" var, var, var
; res = MQInstanceToFormatName(pGuid, lpwcsFormatName, lpdwFormatNameLength)
; pGuid : GUID* -> "var"
; lpwcsFormatName : LPWSTR out -> "var"
; lpdwFormatNameLength : DWORD* in/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")
	procMQInstanceToFormatName = mqrt.NewProc("MQInstanceToFormatName")
)

// pGuid (GUID*), lpwcsFormatName (LPWSTR out), lpdwFormatNameLength (DWORD* in/out)
r1, _, err := procMQInstanceToFormatName.Call(
	uintptr(pGuid),
	uintptr(lpwcsFormatName),
	uintptr(lpdwFormatNameLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MQInstanceToFormatName(
  pGuid: PGUID;   // GUID*
  lpwcsFormatName: PWideChar;   // LPWSTR out
  lpdwFormatNameLength: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'mqrt.dll' name 'MQInstanceToFormatName';

result := DllCall("mqrt\MQInstanceToFormatName"
    , "Ptr", pGuid   ; GUID*
    , "Ptr", lpwcsFormatName   ; LPWSTR out
    , "Ptr", lpdwFormatNameLength   ; DWORD* in/out
    , "Int")   ; return: HRESULT

●MQInstanceToFormatName(pGuid, lpwcsFormatName, lpdwFormatNameLength) = DLL("mqrt.dll", "int MQInstanceToFormatName(void*, char*, void*)")
# 呼び出し: MQInstanceToFormatName(pGuid, lpwcsFormatName, lpdwFormatNameLength)
# pGuid : GUID* -> "void*"
# lpwcsFormatName : LPWSTR out -> "char*"
# lpdwFormatNameLength : DWORD* 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)。