Coin.WalletForms.CheckForChanges C# (CSharp) Method

        public bool CheckForChanges()
        {
            bool r = Wallet.GetAndResetStateChangedFlag();
            if (r) {
                if (PropertyChanged != null) {
                    PropertyChanged(this, new PropertyChangedEventArgs("Balance"));
                    PropertyChanged(this, new PropertyChangedEventArgs("BlockHeight"));
                    PropertyChanged(this, new PropertyChangedEventArgs("State"));
                    PropertyChanged(this, new PropertyChangedEventArgs("Peers"));
                }
            }
            return r;
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            MenuModeFull.Tag = EEngMode.Bootstrap;
            MenuModeLite.Tag = EEngMode.Lite;

            LvWallet.ItemsSource = ActiveWalletForms;
            LvEvent.ItemsSource  = WalletEvents;

            var port = UserAppRegistryKey.GetValue("LocalPort");

            if (port != null)
            {
                try {
                    Eng.LocalPort = Convert.ToUInt16(port);
                } catch (Exception) {
                }
            }

            var proxyType = UserAppRegistryKey.GetValue("ProxyType");

            if (proxyType != null)
            {
                try {
                    Eng.ProxyString = ToProxyString(Convert.ToString(proxyType), Convert.ToString(UserAppRegistryKey.GetValue("ProxyEndPoint")));
                } catch (Exception) {
                }
            }

            if (App.Testnet)
            {
                Eng.Testnet = App.Testnet;
            }

            Wallet[] wallets = null;
            try {
                wallets = Eng.Wallets;
            } catch (Exception x) {
                MessageBox.Show(x.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                Application.Current.Shutdown();
                return;
            }

            foreach (var wallet in wallets)
            {
                string currencyName = wallet.CurrencyName;

                var wf = new WalletForms();
                wf.Wallet = wallet;
                MenuItem mi = new MenuItem();
                wf.MenuItem = mi;
                mi.Header   = $"{wallet.CurrencySymbol}  {currencyName}";
                mi.Icon     = new Image()
                {
                    Source = new BitmapImage(new Uri($"images/{Regex.Replace(currencyName, @"-testnet\d?", "")}.ico", UriKind.Relative))
                };
                menuCurrency.Items.Add(mi);
                mi.Template            = menuTemplate;
                mi.IsCheckable         = true;
                mi.Tag                 = wf;
                mi.Checked            += Currency_CheckChanged;
                mi.Unchecked          += Currency_CheckChanged;
                m_wallet2forms[wallet] = wf;

                EEngMode mode           = EEngMode.Bootstrap;
                bool     bMiningEnabled = false;
                var      sk             = UserAppRegistryKey.OpenSubKey(wf.Wallet.CurrencySymbol);
                if (sk != null)
                {
                    switch ((string)sk.GetValue("DBMode"))
                    {
                    case "Bootstrap": mode = EEngMode.Bootstrap; break;

                    case "Lite": mode = EEngMode.Lite; break;
                    }
                    try {
//                      bMiningEnabled = (int)sk.GetValue("Mining", 0) != 0;
                    } catch (Exception) { }
                }
                wallet.Mode = mode;
                if (wallet.MiningAllowed)
                {
                    wallet.MiningEnabled = bMiningEnabled;
                }
            }

            timer1.Tick += (s, e1) => {
                bool b = false;
                foreach (var wf in ActiveWalletForms)
                {
                    b |= wf.CheckForChanges();
                }
                if (b)
                {
                    UpdateView();
                }
            };
            timer1.Start();
            List <WalletForms> ar = new List <WalletForms>();
            var obj = UserAppRegistryKey.GetValue("ActiveCurrencies", null);

            if (obj == null)
            {
                ar = (from de in m_wallet2forms select de.Value).Take(2).ToList();
                //!!!R              foreach (var de in m_wallet2forms)
                //!!!R                  ar.Add(de.Value);
            }
            else
            {
                foreach (var name in (string[])obj)
                {
                    try {
                        WalletForms wf = null;
                        foreach (var pp in m_wallet2forms)
                        {
                            if (pp.Key.CurrencyName == name)
                            {
                                wf = pp.Value;
                                break;
                            }
                        }
                        if (wf != null)
                        {
                            ar.Add(wf);
                        }
                    } catch (Exception) {
                    }
                }
            }
            foreach (var wf in ar)
            {
                try {
                    wf.MenuItem.IsChecked = true;
                } catch (Exception ex) {
                    MessageBox.Show(ex.Message, "Coin", MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
            m_Loaded = true;
            UpdateView();
            CheckForCommands();

            if (LvWallet.SelectedItem == null && LvWallet.Items.Count == 1)
            {
                LvWallet.SelectedIndex = 0;
            }
//          RegisterUriHandler();
        }