SP_POWERMESSAGEWAKE_PARAMS_A

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SP_CLASSINSTALL_HEADER
{
    public uint cbSize;
    public uint InstallFunction;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct SP_POWERMESSAGEWAKE_PARAMS_A
{
    public SP_CLASSINSTALL_HEADER ClassInstallHeader;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 512)] public sbyte[] PowerMessageWake;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SP_CLASSINSTALL_HEADER
    Public cbSize As UInteger
    Public InstallFunction As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure SP_POWERMESSAGEWAKE_PARAMS_A
    Public ClassInstallHeader As SP_CLASSINSTALL_HEADER
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=512)> Public PowerMessageWake() As SByte
End Structure

import ctypes
from ctypes import wintypes

class SP_CLASSINSTALL_HEADER(ctypes.Structure):
    _fields_ = [
        ("cbSize", wintypes.DWORD),
        ("InstallFunction", wintypes.DWORD),
    ]

class SP_POWERMESSAGEWAKE_PARAMS_A(ctypes.Structure):
    _fields_ = [
        ("ClassInstallHeader", SP_CLASSINSTALL_HEADER),
        ("PowerMessageWake", ctypes.c_byte * 512),
    ]

#[repr(C)]
pub struct SP_CLASSINSTALL_HEADER {
    pub cbSize: u32,
    pub InstallFunction: u32,
}

#[repr(C)]
pub struct SP_POWERMESSAGEWAKE_PARAMS_A {
    pub ClassInstallHeader: SP_CLASSINSTALL_HEADER,
    pub PowerMessageWake: [i8; 512],
}

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

type SP_CLASSINSTALL_HEADER struct {
	cbSize uint32
	InstallFunction uint32
}

type SP_POWERMESSAGEWAKE_PARAMS_A struct {
	ClassInstallHeader SP_CLASSINSTALL_HEADER
	PowerMessageWake [512]int8
}

type
  SP_CLASSINSTALL_HEADER = record
    cbSize: DWORD;
    InstallFunction: DWORD;
  end;

  SP_POWERMESSAGEWAKE_PARAMS_A = record
    ClassInstallHeader: SP_CLASSINSTALL_HEADER;
    PowerMessageWake: array[0..511] of Shortint;
  end;

const SP_CLASSINSTALL_HEADER = extern struct {
    cbSize: u32,
    InstallFunction: u32,
};

const SP_POWERMESSAGEWAKE_PARAMS_A = extern struct {
    ClassInstallHeader: SP_CLASSINSTALL_HEADER,
    PowerMessageWake: [512]i8,
};

type
  SP_CLASSINSTALL_HEADER {.bycopy.} = object
    cbSize: uint32
    InstallFunction: uint32

  SP_POWERMESSAGEWAKE_PARAMS_A {.bycopy.} = object
    ClassInstallHeader: SP_CLASSINSTALL_HEADER
    PowerMessageWake: array[512, int8]

struct SP_CLASSINSTALL_HEADER
{
    uint cbSize;
    uint InstallFunction;
}

struct SP_POWERMESSAGEWAKE_PARAMS_A
{
    SP_CLASSINSTALL_HEADER ClassInstallHeader;
    byte[512] PowerMessageWake;
}