_wireSAFEARRAY

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SAFEARRAYUNION
{
    public uint sfType;
    public _u_e__Struct u;
}

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

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct _wireSAFEARRAY
{
    public ushort cDims;
    public ushort fFeatures;
    public uint cbElements;
    public uint cLocks;
    public SAFEARRAYUNION uArrayStructs;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public SAFEARRAYBOUND[] rgsabound;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SAFEARRAYUNION
    Public sfType As UInteger
    Public u As _u_e__Struct
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 _wireSAFEARRAY
    Public cDims As UShort
    Public fFeatures As UShort
    Public cbElements As UInteger
    Public cLocks As UInteger
    Public uArrayStructs As SAFEARRAYUNION
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public rgsabound() As SAFEARRAYBOUND
End Structure

import ctypes
from ctypes import wintypes

class SAFEARRAYUNION(ctypes.Structure):
    _fields_ = [
        ("sfType", wintypes.DWORD),
        ("u", _u_e__Struct),
    ]

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

class _wireSAFEARRAY(ctypes.Structure):
    _fields_ = [
        ("cDims", ctypes.c_ushort),
        ("fFeatures", ctypes.c_ushort),
        ("cbElements", wintypes.DWORD),
        ("cLocks", wintypes.DWORD),
        ("uArrayStructs", SAFEARRAYUNION),
        ("rgsabound", SAFEARRAYBOUND * 1),
    ]

#[repr(C)]
pub struct SAFEARRAYUNION {
    pub sfType: u32,
    pub u: _u_e__Struct,
}

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

#[repr(C)]
pub struct _wireSAFEARRAY {
    pub cDims: u16,
    pub fFeatures: u16,
    pub cbElements: u32,
    pub cLocks: u32,
    pub uArrayStructs: SAFEARRAYUNION,
    pub rgsabound: [SAFEARRAYBOUND; 1],
}

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

type SAFEARRAYUNION struct {
	sfType uint32
	u _u_e__Struct
}

type SAFEARRAYBOUND struct {
	cElements uint32
	lLbound int32
}

type _wireSAFEARRAY struct {
	cDims uint16
	fFeatures uint16
	cbElements uint32
	cLocks uint32
	uArrayStructs SAFEARRAYUNION
	rgsabound [1]SAFEARRAYBOUND
}

type
  SAFEARRAYUNION = record
    sfType: DWORD;
    u: _u_e__Struct;
  end;

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

  _wireSAFEARRAY = record
    cDims: Word;
    fFeatures: Word;
    cbElements: DWORD;
    cLocks: DWORD;
    uArrayStructs: SAFEARRAYUNION;
    rgsabound: array[0..0] of SAFEARRAYBOUND;
  end;

const SAFEARRAYUNION = extern struct {
    sfType: u32,
    u: _u_e__Struct,
};

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

const _wireSAFEARRAY = extern struct {
    cDims: u16,
    fFeatures: u16,
    cbElements: u32,
    cLocks: u32,
    uArrayStructs: SAFEARRAYUNION,
    rgsabound: [1]SAFEARRAYBOUND,
};

type
  SAFEARRAYUNION {.bycopy.} = object
    sfType: uint32
    u: _u_e__Struct

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

  _wireSAFEARRAY {.bycopy.} = object
    cDims: uint16
    fFeatures: uint16
    cbElements: uint32
    cLocks: uint32
    uArrayStructs: SAFEARRAYUNION
    rgsabound: array[1, SAFEARRAYBOUND]

struct SAFEARRAYUNION
{
    uint sfType;
    _u_e__Struct u;
}

struct SAFEARRAYBOUND
{
    uint cElements;
    int lLbound;
}

struct _wireSAFEARRAY
{
    ushort cDims;
    ushort fFeatures;
    uint cbElements;
    uint cLocks;
    SAFEARRAYUNION uArrayStructs;
    SAFEARRAYBOUND[1] rgsabound;
}