Fix multiple poller situational problems

Examples.WPF/App.xaml.cs

@@ -0,0 +1,85 @@
+using Examples.WPF.ViewModels;
+using MewtocolNet;
+using MewtocolNet.Logging;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Documents;
+using System.Windows.Media;
+using System.Windows.Navigation;
+
+namespace Examples.WPF;
+
+public partial class App : Application {
+
+    public static AppViewModel ViewModel { get; private set; } = null!;
+
+    public static new App Current = null!;
+
+    public static new MainWindow MainWindow = null!;
+
+    public static ObservableCollection<TextBlock> LoggerItems = null!;
+
+    internal static event Action? LogEventProcessed;
+
+    protected override void OnStartup(StartupEventArgs e) {
+
+        ViewModel = new AppViewModel();
+
+        Current = this;
+        LoggerItems = new();
+
+        Logger.LogLevel = LogLevel.Verbose;
+        Logger.DefaultTargets = LoggerTargets.Trace;
+
+        Logger.OnNewLogMessage((d, l, m) => {
+
+            Application.Current.Dispatcher.BeginInvoke(() => {
+
+                Brush msgColor = null!;
+
+                switch (l) {
+                    case LogLevel.Error:
+                    msgColor = Brushes.Red;
+                    break;
+                    case LogLevel.Change:
+                    msgColor = Brushes.Blue;
+                    break;
+                    case LogLevel.Verbose:
+                    msgColor = Brushes.Gold;
+                    break;
+                    case LogLevel.Critical:
+                    msgColor = Brushes.Gray;
+                    break;
+                }
+
+                if (LoggerItems.Count > 1000) LoggerItems.RemoveAt(0);
+
+                var contRun = msgColor == null ? new Run(m) : new Run(m) {
+                    Foreground = msgColor,
+                };
+
+                LoggerItems.Add(new TextBlock {
+                    Inlines = {
+                        new Run($"[{d:hh:mm:ss:ff}] ") {
+                            Foreground = Brushes.LimeGreen,
+                        },
+                        contRun
+                    }
+                });
+
+                LogEventProcessed?.Invoke();
+
+            }, System.Windows.Threading.DispatcherPriority.Background);
+
+        });
+
+    }
+
+}