Multi-player keyboard binder

Program.cs

using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Linq;
using System.Threading;

namespace InputStuffaaaaa
{

    public interface IKeyBinding
    {
        bool isDown();
    }

    public abstract class KeyBinding : IKeyBinding
    {
        public int KeyCode { get; set; }

        public abstract bool isDown();
    }

    public class KeyboardKeyBinding : KeyBinding
    {
        [DllImport("User32.dll")]
        public static extern short GetAsyncKeyState(int key);

        public override bool isDown()
        {
            return (GetAsyncKeyState(KeyCode) & 0x8000) != 0;
        }
    }

    public class KeyBinder
    {
        public List<Dictionary<string, IKeyBinding>> KeyBindings { get; set; } = new List<Dictionary<string, IKeyBinding>>();

        public void LoadMap(Dictionary<string, IKeyBinding> map)
        {
            KeyBindings.Add(map);
        }

        public bool IsKeyDown(string key)
        {
            return KeyBindings.Find(x => x.First(y => y.Key == key).Value.isDown()) != null;
        }
    }

    public class MultiplayerKeyBinder
    {
        public Dictionary<string, KeyBinder> Binders { get; set; } = new Dictionary<string, KeyBinder>();
        
        public void AddBinderForPlayer(string player, KeyBinder binder)
        {
            Binders.Add(player, binder);
        }

        public bool IsKeyDownForPlayer(string player, string key)
        {
            return Binders[player].IsKeyDown(key);
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            MultiplayerKeyBinder multiplayerKeyBinder = new MultiplayerKeyBinder();
            Dictionary<string, IKeyBinding> keyboardMapP1 = new Dictionary<string, IKeyBinding>
            {
                { "LEFT", new KeyboardKeyBinding() { KeyCode = 0x41 } },
                { "UP", new KeyboardKeyBinding() { KeyCode = 0x57 } },
                { "DOWN", new KeyboardKeyBinding() { KeyCode = 0x53 } },
                { "RIGHT", new KeyboardKeyBinding() { KeyCode = 0x44 } }
            };

            KeyBinder p1Binder = new KeyBinder();
            p1Binder.LoadMap(keyboardMapP1);
            multiplayerKeyBinder.AddBinderForPlayer("P1", p1Binder);

            Dictionary<string, IKeyBinding> keyboardMapP2 = new Dictionary<string, IKeyBinding>
            {
                { "LEFT", new KeyboardKeyBinding() { KeyCode = 0x25 } },
                { "UP", new KeyboardKeyBinding() { KeyCode = 0x26 } },
                { "DOWN", new KeyboardKeyBinding() { KeyCode = 0x28 } },
                { "RIGHT", new KeyboardKeyBinding() { KeyCode = 0x27 } }
            };

            KeyBinder p2Binder = new KeyBinder();
            p2Binder.LoadMap(keyboardMapP2);

            multiplayerKeyBinder.AddBinderForPlayer("P2", p2Binder);



            while (true)
            {
                if (multiplayerKeyBinder.IsKeyDownForPlayer("P1", "LEFT")) Console.WriteLine("P1 LEFT");
                if (multiplayerKeyBinder.IsKeyDownForPlayer("P1", "UP")) Console.WriteLine("P1 UP");
                if (multiplayerKeyBinder.IsKeyDownForPlayer("P1", "DOWN")) Console.WriteLine("P1 DOWN");
                if (multiplayerKeyBinder.IsKeyDownForPlayer("P1", "RIGHT")) Console.WriteLine("P1 RIGHT");

                if (multiplayerKeyBinder.IsKeyDownForPlayer("P2", "LEFT")) Console.WriteLine("P2 LEFT");
                if (multiplayerKeyBinder.IsKeyDownForPlayer("P2", "UP")) Console.WriteLine("P2 UP");
                if (multiplayerKeyBinder.IsKeyDownForPlayer("P2", "DOWN")) Console.WriteLine("P2 DOWN");
                if (multiplayerKeyBinder.IsKeyDownForPlayer("P2", "RIGHT")) Console.WriteLine("P2 RIGHT");

                Thread.Sleep(100);
            }
        }
    }
}