WIA_DATA_CALLBACK_HEADER

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WIA_DATA_CALLBACK_HEADER
{
    public int lSize;
    public Guid guidFormatID;
    public int lBufferSize;
    public int lPageCount;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure WIA_DATA_CALLBACK_HEADER
    Public lSize As Integer
    Public guidFormatID As Guid
    Public lBufferSize As Integer
    Public lPageCount As Integer
End Structure

import ctypes
from ctypes import wintypes

class WIA_DATA_CALLBACK_HEADER(ctypes.Structure):
    _fields_ = [
        ("lSize", ctypes.c_int),
        ("guidFormatID", GUID),
        ("lBufferSize", ctypes.c_int),
        ("lPageCount", ctypes.c_int),
    ]

#[repr(C)]
pub struct WIA_DATA_CALLBACK_HEADER {
    pub lSize: i32,
    pub guidFormatID: GUID,
    pub lBufferSize: i32,
    pub lPageCount: i32,
}

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

type WIA_DATA_CALLBACK_HEADER struct {
	lSize int32
	guidFormatID windows.GUID
	lBufferSize int32
	lPageCount int32
}

type
  WIA_DATA_CALLBACK_HEADER = record
    lSize: Integer;
    guidFormatID: TGUID;
    lBufferSize: Integer;
    lPageCount: Integer;
  end;

const WIA_DATA_CALLBACK_HEADER = extern struct {
    lSize: i32,
    guidFormatID: GUID,
    lBufferSize: i32,
    lPageCount: i32,
};

type
  WIA_DATA_CALLBACK_HEADER {.bycopy.} = object
    lSize: int32
    guidFormatID: GUID
    lBufferSize: int32
    lPageCount: int32

struct WIA_DATA_CALLBACK_HEADER
{
    int lSize;
    GUID guidFormatID;
    int lBufferSize;
    int lPageCount;
}