DrtGetInstanceNameSize

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

HRESULT DrtGetInstanceNameSize(
    void* hDrt,
    DWORD* pulcbInstanceNameSize
);

<DllImport("drt.dll", ExactSpelling:=True)>
Public Shared Function DrtGetInstanceNameSize(
    hDrt As IntPtr,   ' void*
    <Out> ByRef pulcbInstanceNameSize As UInteger   ' DWORD* out
) As Integer
End Function

' hDrt : void*
' pulcbInstanceNameSize : DWORD* out
Declare PtrSafe Function DrtGetInstanceNameSize Lib "drt" ( _
    ByVal hDrt As LongPtr, _
    ByRef pulcbInstanceNameSize 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

DrtGetInstanceNameSize = ctypes.windll.drt.DrtGetInstanceNameSize
DrtGetInstanceNameSize.restype = ctypes.c_int
DrtGetInstanceNameSize.argtypes = [
    ctypes.POINTER(None),  # hDrt : void*
    ctypes.POINTER(wintypes.DWORD),  # pulcbInstanceNameSize : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('drt.dll')
DrtGetInstanceNameSize = Fiddle::Function.new(
  lib['DrtGetInstanceNameSize'],
  [
    Fiddle::TYPE_VOIDP,  # hDrt : void*
    Fiddle::TYPE_VOIDP,  # pulcbInstanceNameSize : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "drt")]
extern "system" {
    fn DrtGetInstanceNameSize(
        hDrt: *mut (),  // void*
        pulcbInstanceNameSize: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("drt.dll")]
public static extern int DrtGetInstanceNameSize(IntPtr hDrt, out uint pulcbInstanceNameSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'drt_DrtGetInstanceNameSize' -Namespace Win32 -PassThru
# $api::DrtGetInstanceNameSize(hDrt, pulcbInstanceNameSize)

#uselib "drt.dll"
#func global DrtGetInstanceNameSize "DrtGetInstanceNameSize" sptr, sptr
; DrtGetInstanceNameSize hDrt, varptr(pulcbInstanceNameSize)   ; 戻り値は stat
; hDrt : void* -> "sptr"
; pulcbInstanceNameSize : DWORD* 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 "drt.dll"
#cfunc global DrtGetInstanceNameSize "DrtGetInstanceNameSize" sptr, var
; res = DrtGetInstanceNameSize(hDrt, pulcbInstanceNameSize)
; hDrt : void* -> "sptr"
; pulcbInstanceNameSize : DWORD* 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 DrtGetInstanceNameSize(void* hDrt, DWORD* pulcbInstanceNameSize)
#uselib "drt.dll"
#cfunc global DrtGetInstanceNameSize "DrtGetInstanceNameSize" intptr, var
; res = DrtGetInstanceNameSize(hDrt, pulcbInstanceNameSize)
; hDrt : void* -> "intptr"
; pulcbInstanceNameSize : DWORD* 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 (
	drt = windows.NewLazySystemDLL("drt.dll")
	procDrtGetInstanceNameSize = drt.NewProc("DrtGetInstanceNameSize")
)

// hDrt (void*), pulcbInstanceNameSize (DWORD* out)
r1, _, err := procDrtGetInstanceNameSize.Call(
	uintptr(hDrt),
	uintptr(pulcbInstanceNameSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DrtGetInstanceNameSize(
  hDrt: Pointer;   // void*
  pulcbInstanceNameSize: Pointer   // DWORD* out
): Integer; stdcall;
  external 'drt.dll' name 'DrtGetInstanceNameSize';

result := DllCall("drt\DrtGetInstanceNameSize"
    , "Ptr", hDrt   ; void*
    , "Ptr", pulcbInstanceNameSize   ; DWORD* out
    , "Int")   ; return: HRESULT

●DrtGetInstanceNameSize(hDrt, pulcbInstanceNameSize) = DLL("drt.dll", "int DrtGetInstanceNameSize(void*, void*)")
# 呼び出し: DrtGetInstanceNameSize(hDrt, pulcbInstanceNameSize)
# hDrt : void* -> "void*"
# pulcbInstanceNameSize : DWORD* 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)。