DRT_SEARCH_RESULT

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DRT_DATA
{
    public uint cb;
    public IntPtr pb;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DRT_REGISTRATION
{
    public DRT_DATA key;
    public DRT_DATA appData;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DRT_SEARCH_RESULT
{
    public uint dwSize;
    public int type;
    public IntPtr pvContext;
    public DRT_REGISTRATION registration;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DRT_DATA
    Public cb As UInteger
    Public pb As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DRT_REGISTRATION
    Public key As DRT_DATA
    Public appData As DRT_DATA
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DRT_SEARCH_RESULT
    Public dwSize As UInteger
    Public type As Integer
    Public pvContext As IntPtr
    Public registration As DRT_REGISTRATION
End Structure

import ctypes
from ctypes import wintypes

class DRT_DATA(ctypes.Structure):
    _fields_ = [
        ("cb", wintypes.DWORD),
        ("pb", ctypes.c_void_p),
    ]

class DRT_REGISTRATION(ctypes.Structure):
    _fields_ = [
        ("key", DRT_DATA),
        ("appData", DRT_DATA),
    ]

class DRT_SEARCH_RESULT(ctypes.Structure):
    _fields_ = [
        ("dwSize", wintypes.DWORD),
        ("type", ctypes.c_int),
        ("pvContext", ctypes.c_void_p),
        ("registration", DRT_REGISTRATION),
    ]

#[repr(C)]
pub struct DRT_DATA {
    pub cb: u32,
    pub pb: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct DRT_REGISTRATION {
    pub key: DRT_DATA,
    pub appData: DRT_DATA,
}

#[repr(C)]
pub struct DRT_SEARCH_RESULT {
    pub dwSize: u32,
    pub type: i32,
    pub pvContext: *mut core::ffi::c_void,
    pub registration: DRT_REGISTRATION,
}

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

type DRT_DATA struct {
	cb uint32
	pb uintptr
}

type DRT_REGISTRATION struct {
	key DRT_DATA
	appData DRT_DATA
}

type DRT_SEARCH_RESULT struct {
	dwSize uint32
	type int32
	pvContext uintptr
	registration DRT_REGISTRATION
}

type
  DRT_DATA = record
    cb: DWORD;
    pb: Pointer;
  end;

  DRT_REGISTRATION = record
    key: DRT_DATA;
    appData: DRT_DATA;
  end;

  DRT_SEARCH_RESULT = record
    dwSize: DWORD;
    type: Integer;
    pvContext: Pointer;
    registration: DRT_REGISTRATION;
  end;

const DRT_DATA = extern struct {
    cb: u32,
    pb: ?*anyopaque,
};

const DRT_REGISTRATION = extern struct {
    key: DRT_DATA,
    appData: DRT_DATA,
};

const DRT_SEARCH_RESULT = extern struct {
    dwSize: u32,
    type: i32,
    pvContext: ?*anyopaque,
    registration: DRT_REGISTRATION,
};

type
  DRT_DATA {.bycopy.} = object
    cb: uint32
    pb: pointer

  DRT_REGISTRATION {.bycopy.} = object
    key: DRT_DATA
    appData: DRT_DATA

  DRT_SEARCH_RESULT {.bycopy.} = object
    dwSize: uint32
    type: int32
    pvContext: pointer
    registration: DRT_REGISTRATION

struct DRT_DATA
{
    uint cb;
    void* pb;
}

struct DRT_REGISTRATION
{
    DRT_DATA key;
    DRT_DATA appData;
}

struct DRT_SEARCH_RESULT
{
    uint dwSize;
    int type;
    void* pvContext;
    DRT_REGISTRATION registration;
}