Tetris/Models/Game.cs

using System.ComponentModel;

namespace Tetris.Models;

public class Party : INotifyPropertyChanged
{
    private int _score;

    private string _userName;

    public Party(string userName)
    {
        _userName = userName;
    }

    public string UserName
    {
        get => _userName;
        set
        {
            _userName = value;
            OnPropertyChanged("UserName");
        }
    }

    public int Score
    {
        get => _score;
        set
        {
            _score = value;
            OnPropertyChanged("Score");
        }
    }

    public event PropertyChangedEventHandler PropertyChanged;

    protected virtual void OnPropertyChanged(string propertyName)
    {
        if (PropertyChanged != null)
            PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
    }
}