refactor: made GamepadReader an interface

namespace SwitchSlidePresenter;

public abstract class GamepadReader {

	public abstract event Action NextSlide;

	public abstract event Action PrevSlide;

public interface IGamepadReader {

	public event Action NextSlide;

	public event Action PrevSlide;

	public abstract Task Read();

	public Task Read();

}

 No newline at end of file

namespace SwitchSlidePresenter;

public class JoyConRead : GamepadReader {

	public override event Action NextSlide;

	public override event Action PrevSlide;

public class JoyConRead : IGamepadReader {

	public event Action NextSlide;

	public event Action PrevSlide;

	public override async Task Read() {

	public async Task Read() {

		Console.OutputEncoding = Encoding.UTF8;

		HidDevice? device = GetHidDevice();

namespace SwitchSlidePresenter {

	class Program {

		private static async Task Main() {

			GamepadReader reader = new JoyConRead();

			IGamepadReader reader = new JoyConRead();

			SlideSwitcher switcher = new(reader);

			await reader.Read();

			switcher.Dispose();

namespace SwitchSlidePresenter;

public class SlideSwitcher : IDisposable {

	private readonly GamepadReader _reader;

	private readonly IGamepadReader _reader;

	public SlideSwitcher(GamepadReader reader) {

	public SlideSwitcher(IGamepadReader reader) {

		_reader = reader;

		_reader.NextSlide += NextSlide;

		_reader.PrevSlide += PreviousSlide;