// DataBinding Baby !!

// Applcation se basant sur le site wtatennis.com

// class : Player, Place (Birth Places), Manager, IPersistanceManager
// enum : Hand (lfet-handed or right-handed)

// Player.cs

public string FirstName
{
    get => firstName;
    set
    {
        if(value == firstName) return;
        firstName = value;
        OnPropertyChanged();
    }
}

private string firstName;

public event PropertyChangedEventHandler PropertyChanged;

public void OnPropertyChanged([CallerMemberName] string propertyName = null)
{
    PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}