public MainWindow()
        {
            InitializeComponent();

            // Init Checker
            Checker.AccountsChecked = new List <AccountData>();
            Checker.AccountsToCheck = new List <LoginData>();
            Checker.OnNewAccount   += OnNewAccount;

            // Init Regions
            _regionsComboBox.ItemsSource   = Enum.GetValues(typeof(Region)).Cast <Region>();
            _regionsComboBox.SelectedIndex = 0;

            // Init Champion Data
            if (File.Exists("Champions.json"))
            {
                LeagueData.UpdateData("Champions.json");
            }
        }