public MainWindow()
        {
            InitializeComponent();

            Instance = this;

            AccountsDataGrid.ItemsSource = Checker.Accounts.Where(a => a.State == Account.Result.Success);

            Loaded += WindowLoaded;
            Closed += WindowClosed;
        }
        public MainWindow()
        {
            InitializeComponent();

            Instance = this;

            AccountsDataGrid.ItemsSource = CheckedAccountsView;
            AccountsDataGrid.PreviewKeyDown += Utils.AccountsDataDataGridSearchByLetterKey;
            AccountsDataGrid.Loaded += (s, e) =>
            {
                foreach(var col in AccountsDataGrid.Columns)
                {
                    col.MinWidth = col.ActualWidth;
                    col.Width = new DataGridLength(1, DataGridLengthUnitType.Star);
                }
            };

            Loaded += WindowLoaded;
            Closed += WindowClosed;

            Checker.Accounts.CollectionChanged += (sender, args) =>
            {
                if (args != null)
                {
                    if (args.NewItems != null)
                    {
                        foreach (INotifyPropertyChanged item in args.NewItems)
                        {
                            item.PropertyChanged += (s, e) => UpdateControls();
                        }
                        foreach (Account acc in args.NewItems)
                        {
                            acc.PropertyChanged += (o, e) =>
                            {
                                if (e.PropertyName == nameof(Account.State))
                                {
                                    CheckedAccountsView.Refresh();
                                }
                            };
                        }
                    }
                    if (args.OldItems != null)
                    {
                        foreach (INotifyPropertyChanged item in args.OldItems)
                        {
                            item.PropertyChanged -= (s, e) => UpdateControls();
                        }
                    }
                }
                UpdateControls();
            };
            UpdateControls();
        }
        public MainWindow()
        {
            InitializeComponent();

            Instance = this;

            _accountsDataGrid.ItemsSource = Checker.Accounts.Where(a => a.State == Account.Result.Success);

            // Init Regions
            _regionsComboBox.ItemsSource = Enum.GetValues(typeof(Region)).Cast<Region>();
            _regionsComboBox.SelectedItem = Settings.Config.SelectedRegion;

            Loaded += WindowLoaded;
            Closed += WindowClosed;
        }