WMIREGINFOW

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WMIREGGUIDW
{
    public Guid Guid;
    public uint Flags;
    public uint InstanceCount;
    public _Anonymous_e__Union Anonymous;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WMIREGINFOW
{
    public uint BufferSize;
    public uint NextWmiRegInfo;
    public uint RegistryPath;
    public uint MofResourceName;
    public uint GuidCount;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 1)] public WMIREGGUIDW[] WmiRegGuid;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure WMIREGGUIDW
    Public Guid As Guid
    Public Flags As UInteger
    Public InstanceCount As UInteger
    Public Anonymous As _Anonymous_e__Union
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure WMIREGINFOW
    Public BufferSize As UInteger
    Public NextWmiRegInfo As UInteger
    Public RegistryPath As UInteger
    Public MofResourceName As UInteger
    Public GuidCount As UInteger
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=1)> Public WmiRegGuid() As WMIREGGUIDW
End Structure

import ctypes
from ctypes import wintypes

class WMIREGGUIDW(ctypes.Structure):
    _fields_ = [
        ("Guid", GUID),
        ("Flags", wintypes.DWORD),
        ("InstanceCount", wintypes.DWORD),
        ("Anonymous", _Anonymous_e__Union),
    ]

class WMIREGINFOW(ctypes.Structure):
    _fields_ = [
        ("BufferSize", wintypes.DWORD),
        ("NextWmiRegInfo", wintypes.DWORD),
        ("RegistryPath", wintypes.DWORD),
        ("MofResourceName", wintypes.DWORD),
        ("GuidCount", wintypes.DWORD),
        ("WmiRegGuid", WMIREGGUIDW * 1),
    ]

#[repr(C)]
pub struct WMIREGGUIDW {
    pub Guid: GUID,
    pub Flags: u32,
    pub InstanceCount: u32,
    pub Anonymous: _Anonymous_e__Union,
}

#[repr(C)]
pub struct WMIREGINFOW {
    pub BufferSize: u32,
    pub NextWmiRegInfo: u32,
    pub RegistryPath: u32,
    pub MofResourceName: u32,
    pub GuidCount: u32,
    pub WmiRegGuid: [WMIREGGUIDW; 1],
}

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

type WMIREGGUIDW struct {
	Guid windows.GUID
	Flags uint32
	InstanceCount uint32
	Anonymous _Anonymous_e__Union
}

type WMIREGINFOW struct {
	BufferSize uint32
	NextWmiRegInfo uint32
	RegistryPath uint32
	MofResourceName uint32
	GuidCount uint32
	WmiRegGuid [1]WMIREGGUIDW
}

type
  WMIREGGUIDW = record
    Guid: TGUID;
    Flags: DWORD;
    InstanceCount: DWORD;
    Anonymous: _Anonymous_e__Union;
  end;

  WMIREGINFOW = record
    BufferSize: DWORD;
    NextWmiRegInfo: DWORD;
    RegistryPath: DWORD;
    MofResourceName: DWORD;
    GuidCount: DWORD;
    WmiRegGuid: array[0..0] of WMIREGGUIDW;
  end;

const WMIREGGUIDW = extern struct {
    Guid: GUID,
    Flags: u32,
    InstanceCount: u32,
    Anonymous: _Anonymous_e__Union,
};

const WMIREGINFOW = extern struct {
    BufferSize: u32,
    NextWmiRegInfo: u32,
    RegistryPath: u32,
    MofResourceName: u32,
    GuidCount: u32,
    WmiRegGuid: [1]WMIREGGUIDW,
};

type
  WMIREGGUIDW {.bycopy.} = object
    Guid: GUID
    Flags: uint32
    InstanceCount: uint32
    Anonymous: _Anonymous_e__Union

  WMIREGINFOW {.bycopy.} = object
    BufferSize: uint32
    NextWmiRegInfo: uint32
    RegistryPath: uint32
    MofResourceName: uint32
    GuidCount: uint32
    WmiRegGuid: array[1, WMIREGGUIDW]

struct WMIREGGUIDW
{
    GUID Guid;
    uint Flags;
    uint InstanceCount;
    _Anonymous_e__Union Anonymous;
}

struct WMIREGINFOW
{
    uint BufferSize;
    uint NextWmiRegInfo;
    uint RegistryPath;
    uint MofResourceName;
    uint GuidCount;
    WMIREGGUIDW[1] WmiRegGuid;
}