NMSEARCHWEB

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct NMHDR
{
    public IntPtr hwndFrom;
    public UIntPtr idFrom;
    public uint code;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct NMSEARCHWEB
{
    public NMHDR hdr;
    public int entrypoint;
    [MarshalAs(UnmanagedType.Bool)] public bool hasQueryText;
    [MarshalAs(UnmanagedType.Bool)] public bool invokeSucceeded;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure NMHDR
    Public hwndFrom As IntPtr
    Public idFrom As UIntPtr
    Public code As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure NMSEARCHWEB
    Public hdr As NMHDR
    Public entrypoint As Integer
    <MarshalAs(UnmanagedType.Bool)> Public hasQueryText As Boolean
    <MarshalAs(UnmanagedType.Bool)> Public invokeSucceeded As Boolean
End Structure

import ctypes
from ctypes import wintypes

class NMHDR(ctypes.Structure):
    _fields_ = [
        ("hwndFrom", ctypes.c_void_p),
        ("idFrom", ctypes.c_size_t),
        ("code", wintypes.DWORD),
    ]

class NMSEARCHWEB(ctypes.Structure):
    _fields_ = [
        ("hdr", NMHDR),
        ("entrypoint", ctypes.c_int),
        ("hasQueryText", wintypes.BOOL),
        ("invokeSucceeded", wintypes.BOOL),
    ]

#[repr(C)]
pub struct NMHDR {
    pub hwndFrom: *mut core::ffi::c_void,
    pub idFrom: usize,
    pub code: u32,
}

#[repr(C)]
pub struct NMSEARCHWEB {
    pub hdr: NMHDR,
    pub entrypoint: i32,
    pub hasQueryText: i32,
    pub invokeSucceeded: i32,
}

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

type NMHDR struct {
	hwndFrom uintptr
	idFrom uintptr
	code uint32
}

type NMSEARCHWEB struct {
	hdr NMHDR
	entrypoint int32
	hasQueryText int32
	invokeSucceeded int32
}

type
  NMHDR = record
    hwndFrom: Pointer;
    idFrom: NativeUInt;
    code: DWORD;
  end;

  NMSEARCHWEB = record
    hdr: NMHDR;
    entrypoint: Integer;
    hasQueryText: BOOL;
    invokeSucceeded: BOOL;
  end;

const NMHDR = extern struct {
    hwndFrom: ?*anyopaque,
    idFrom: usize,
    code: u32,
};

const NMSEARCHWEB = extern struct {
    hdr: NMHDR,
    entrypoint: i32,
    hasQueryText: i32,
    invokeSucceeded: i32,
};

type
  NMHDR {.bycopy.} = object
    hwndFrom: pointer
    idFrom: uint
    code: uint32

  NMSEARCHWEB {.bycopy.} = object
    hdr: NMHDR
    entrypoint: int32
    hasQueryText: int32
    invokeSucceeded: int32

struct NMHDR
{
    void* hwndFrom;
    size_t idFrom;
    uint code;
}

struct NMSEARCHWEB
{
    NMHDR hdr;
    int entrypoint;
    int hasQueryText;
    int invokeSucceeded;
}