OLEUIINSERTOBJECTA

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct OLEUIINSERTOBJECTA
{
    public uint cbStruct;
    public uint dwFlags;
    public IntPtr hWndOwner;
    public IntPtr lpszCaption;
    public IntPtr lpfnHook;
    public IntPtr lCustData;
    public IntPtr hInstance;
    public IntPtr lpszTemplate;
    public IntPtr hResource;
    public Guid clsid;
    public IntPtr lpszFile;
    public uint cchFile;
    public uint cClsidExclude;
    public IntPtr lpClsidExclude;
    public Guid iid;
    public uint oleRender;
    public IntPtr lpFormatEtc;
    public IntPtr lpIOleClientSite;
    public IntPtr lpIStorage;
    public IntPtr ppvObj;
    public int sc;
    public IntPtr hMetaPict;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure OLEUIINSERTOBJECTA
    Public cbStruct As UInteger
    Public dwFlags As UInteger
    Public hWndOwner As IntPtr
    Public lpszCaption As IntPtr
    Public lpfnHook As IntPtr
    Public lCustData As IntPtr
    Public hInstance As IntPtr
    Public lpszTemplate As IntPtr
    Public hResource As IntPtr
    Public clsid As Guid
    Public lpszFile As IntPtr
    Public cchFile As UInteger
    Public cClsidExclude As UInteger
    Public lpClsidExclude As IntPtr
    Public iid As Guid
    Public oleRender As UInteger
    Public lpFormatEtc As IntPtr
    Public lpIOleClientSite As IntPtr
    Public lpIStorage As IntPtr
    Public ppvObj As IntPtr
    Public sc As Integer
    Public hMetaPict As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class OLEUIINSERTOBJECTA(ctypes.Structure):
    _fields_ = [
        ("cbStruct", wintypes.DWORD),
        ("dwFlags", wintypes.DWORD),
        ("hWndOwner", ctypes.c_void_p),
        ("lpszCaption", ctypes.c_void_p),
        ("lpfnHook", ctypes.c_void_p),
        ("lCustData", ctypes.c_ssize_t),
        ("hInstance", ctypes.c_void_p),
        ("lpszTemplate", ctypes.c_void_p),
        ("hResource", ctypes.c_void_p),
        ("clsid", GUID),
        ("lpszFile", ctypes.c_void_p),
        ("cchFile", wintypes.DWORD),
        ("cClsidExclude", wintypes.DWORD),
        ("lpClsidExclude", ctypes.c_void_p),
        ("iid", GUID),
        ("oleRender", wintypes.DWORD),
        ("lpFormatEtc", ctypes.c_void_p),
        ("lpIOleClientSite", ctypes.c_void_p),
        ("lpIStorage", ctypes.c_void_p),
        ("ppvObj", ctypes.c_void_p),
        ("sc", ctypes.c_int),
        ("hMetaPict", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct OLEUIINSERTOBJECTA {
    pub cbStruct: u32,
    pub dwFlags: u32,
    pub hWndOwner: *mut core::ffi::c_void,
    pub lpszCaption: *mut core::ffi::c_void,
    pub lpfnHook: *mut core::ffi::c_void,
    pub lCustData: isize,
    pub hInstance: *mut core::ffi::c_void,
    pub lpszTemplate: *mut core::ffi::c_void,
    pub hResource: *mut core::ffi::c_void,
    pub clsid: GUID,
    pub lpszFile: *mut core::ffi::c_void,
    pub cchFile: u32,
    pub cClsidExclude: u32,
    pub lpClsidExclude: *mut core::ffi::c_void,
    pub iid: GUID,
    pub oleRender: u32,
    pub lpFormatEtc: *mut core::ffi::c_void,
    pub lpIOleClientSite: *mut core::ffi::c_void,
    pub lpIStorage: *mut core::ffi::c_void,
    pub ppvObj: *mut core::ffi::c_void,
    pub sc: i32,
    pub hMetaPict: *mut core::ffi::c_void,
}

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

type OLEUIINSERTOBJECTA struct {
	cbStruct uint32
	dwFlags uint32
	hWndOwner uintptr
	lpszCaption uintptr
	lpfnHook uintptr
	lCustData uintptr
	hInstance uintptr
	lpszTemplate uintptr
	hResource uintptr
	clsid windows.GUID
	lpszFile uintptr
	cchFile uint32
	cClsidExclude uint32
	lpClsidExclude uintptr
	iid windows.GUID
	oleRender uint32
	lpFormatEtc uintptr
	lpIOleClientSite uintptr
	lpIStorage uintptr
	ppvObj uintptr
	sc int32
	hMetaPict uintptr
}

type
  OLEUIINSERTOBJECTA = record
    cbStruct: DWORD;
    dwFlags: DWORD;
    hWndOwner: Pointer;
    lpszCaption: Pointer;
    lpfnHook: Pointer;
    lCustData: NativeInt;
    hInstance: Pointer;
    lpszTemplate: Pointer;
    hResource: Pointer;
    clsid: TGUID;
    lpszFile: Pointer;
    cchFile: DWORD;
    cClsidExclude: DWORD;
    lpClsidExclude: Pointer;
    iid: TGUID;
    oleRender: DWORD;
    lpFormatEtc: Pointer;
    lpIOleClientSite: Pointer;
    lpIStorage: Pointer;
    ppvObj: Pointer;
    sc: Integer;
    hMetaPict: Pointer;
  end;

const OLEUIINSERTOBJECTA = extern struct {
    cbStruct: u32,
    dwFlags: u32,
    hWndOwner: ?*anyopaque,
    lpszCaption: ?*anyopaque,
    lpfnHook: ?*anyopaque,
    lCustData: isize,
    hInstance: ?*anyopaque,
    lpszTemplate: ?*anyopaque,
    hResource: ?*anyopaque,
    clsid: GUID,
    lpszFile: ?*anyopaque,
    cchFile: u32,
    cClsidExclude: u32,
    lpClsidExclude: ?*anyopaque,
    iid: GUID,
    oleRender: u32,
    lpFormatEtc: ?*anyopaque,
    lpIOleClientSite: ?*anyopaque,
    lpIStorage: ?*anyopaque,
    ppvObj: ?*anyopaque,
    sc: i32,
    hMetaPict: ?*anyopaque,
};

type
  OLEUIINSERTOBJECTA {.bycopy.} = object
    cbStruct: uint32
    dwFlags: uint32
    hWndOwner: pointer
    lpszCaption: pointer
    lpfnHook: pointer
    lCustData: int
    hInstance: pointer
    lpszTemplate: pointer
    hResource: pointer
    clsid: GUID
    lpszFile: pointer
    cchFile: uint32
    cClsidExclude: uint32
    lpClsidExclude: pointer
    iid: GUID
    oleRender: uint32
    lpFormatEtc: pointer
    lpIOleClientSite: pointer
    lpIStorage: pointer
    ppvObj: pointer
    sc: int32
    hMetaPict: pointer

struct OLEUIINSERTOBJECTA
{
    uint cbStruct;
    uint dwFlags;
    void* hWndOwner;
    void* lpszCaption;
    void* lpfnHook;
    ptrdiff_t lCustData;
    void* hInstance;
    void* lpszTemplate;
    void* hResource;
    GUID clsid;
    void* lpszFile;
    uint cchFile;
    uint cClsidExclude;
    void* lpClsidExclude;
    GUID iid;
    uint oleRender;
    void* lpFormatEtc;
    void* lpIOleClientSite;
    void* lpIStorage;
    void* ppvObj;
    int sc;
    void* hMetaPict;
}