ARRAYDESC

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct TYPEDESC
{
    public _Anonymous_e__Union Anonymous;
    public ushort vt;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SAFEARRAYBOUND
{
    public uint cElements;
    public int lLbound;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct ARRAYDESC
{
    public TYPEDESC tdescElem;
    public ushort cDims;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public SAFEARRAYBOUND[] rgbounds;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure TYPEDESC
    Public Anonymous As _Anonymous_e__Union
    Public vt As UShort
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SAFEARRAYBOUND
    Public cElements As UInteger
    Public lLbound As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure ARRAYDESC
    Public tdescElem As TYPEDESC
    Public cDims As UShort
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public rgbounds() As SAFEARRAYBOUND
End Structure

import ctypes
from ctypes import wintypes

class TYPEDESC(ctypes.Structure):
    _fields_ = [
        ("Anonymous", _Anonymous_e__Union),
        ("vt", ctypes.c_ushort),
    ]

class SAFEARRAYBOUND(ctypes.Structure):
    _fields_ = [
        ("cElements", wintypes.DWORD),
        ("lLbound", ctypes.c_int),
    ]

class ARRAYDESC(ctypes.Structure):
    _fields_ = [
        ("tdescElem", TYPEDESC),
        ("cDims", ctypes.c_ushort),
        ("rgbounds", SAFEARRAYBOUND * 1),
    ]

#[repr(C)]
pub struct TYPEDESC {
    pub Anonymous: _Anonymous_e__Union,
    pub vt: u16,
}

#[repr(C)]
pub struct SAFEARRAYBOUND {
    pub cElements: u32,
    pub lLbound: i32,
}

#[repr(C)]
pub struct ARRAYDESC {
    pub tdescElem: TYPEDESC,
    pub cDims: u16,
    pub rgbounds: [SAFEARRAYBOUND; 1],
}

import "golang.org/x/sys/windows"

type TYPEDESC struct {
	Anonymous _Anonymous_e__Union
	vt uint16
}

type SAFEARRAYBOUND struct {
	cElements uint32
	lLbound int32
}

type ARRAYDESC struct {
	tdescElem TYPEDESC
	cDims uint16
	rgbounds [1]SAFEARRAYBOUND
}

type
  TYPEDESC = record
    Anonymous: _Anonymous_e__Union;
    vt: Word;
  end;

  SAFEARRAYBOUND = record
    cElements: DWORD;
    lLbound: Integer;
  end;

  ARRAYDESC = record
    tdescElem: TYPEDESC;
    cDims: Word;
    rgbounds: array[0..0] of SAFEARRAYBOUND;
  end;

const TYPEDESC = extern struct {
    Anonymous: _Anonymous_e__Union,
    vt: u16,
};

const SAFEARRAYBOUND = extern struct {
    cElements: u32,
    lLbound: i32,
};

const ARRAYDESC = extern struct {
    tdescElem: TYPEDESC,
    cDims: u16,
    rgbounds: [1]SAFEARRAYBOUND,
};

type
  TYPEDESC {.bycopy.} = object
    Anonymous: _Anonymous_e__Union
    vt: uint16

  SAFEARRAYBOUND {.bycopy.} = object
    cElements: uint32
    lLbound: int32

  ARRAYDESC {.bycopy.} = object
    tdescElem: TYPEDESC
    cDims: uint16
    rgbounds: array[1, SAFEARRAYBOUND]

struct TYPEDESC
{
    _Anonymous_e__Union Anonymous;
    ushort vt;
}

struct SAFEARRAYBOUND
{
    uint cElements;
    int lLbound;
}

struct ARRAYDESC
{
    TYPEDESC tdescElem;
    ushort cDims;
    SAFEARRAYBOUND[1] rgbounds;
}