SAFEARRAY

using System;
using System.Runtime.InteropServices;

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

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

Imports System.Runtime.InteropServices

<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 SAFEARRAY
    Public cDims As UShort
    Public fFeatures As UShort
    Public cbElements As UInteger
    Public cLocks As UInteger
    Public pvData As IntPtr
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public rgsabound() As SAFEARRAYBOUND
End Structure

import ctypes
from ctypes import wintypes

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

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

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

#[repr(C)]
pub struct SAFEARRAY {
    pub cDims: u16,
    pub fFeatures: u16,
    pub cbElements: u32,
    pub cLocks: u32,
    pub pvData: *mut core::ffi::c_void,
    pub rgsabound: [SAFEARRAYBOUND; 1],
}

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

type SAFEARRAYBOUND struct {
	cElements uint32
	lLbound int32
}

type SAFEARRAY struct {
	cDims uint16
	fFeatures uint16
	cbElements uint32
	cLocks uint32
	pvData uintptr
	rgsabound [1]SAFEARRAYBOUND
}

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

  SAFEARRAY = record
    cDims: Word;
    fFeatures: Word;
    cbElements: DWORD;
    cLocks: DWORD;
    pvData: Pointer;
    rgsabound: array[0..0] of SAFEARRAYBOUND;
  end;

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

const SAFEARRAY = extern struct {
    cDims: u16,
    fFeatures: u16,
    cbElements: u32,
    cLocks: u32,
    pvData: ?*anyopaque,
    rgsabound: [1]SAFEARRAYBOUND,
};

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

  SAFEARRAY {.bycopy.} = object
    cDims: uint16
    fFeatures: uint16
    cbElements: uint32
    cLocks: uint32
    pvData: pointer
    rgsabound: array[1, SAFEARRAYBOUND]

struct SAFEARRAYBOUND
{
    uint cElements;
    int lLbound;
}

struct SAFEARRAY
{
    ushort cDims;
    ushort fFeatures;
    uint cbElements;
    uint cLocks;
    void* pvData;
    SAFEARRAYBOUND[1] rgsabound;
}