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ChatController/ExceptionViewControl.xaml.cs

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+using System;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+using System.Windows;
+
+namespace ChatController
+{
+    public partial class ExceptionViewControl : INotifyPropertyChanged
+    {
+        public event EventHandler OkButtonClicked;
+
+        private Exception _Exception;
+        public Exception Exception
+        {
+            get => _Exception;
+            set
+            {
+                _Exception = value;
+                OnPropertyChanged();
+            }
+        }
+
+        public ExceptionViewControl()
+        {
+            InitializeComponent();
+            DataContext = this;
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        private void OkButton_OnClick(object sender, RoutedEventArgs args)
+        {
+            OkButtonClicked?.Invoke(this, args);
+        }
+
+        private void CopyToClipboardButton_OnClick(object sender, RoutedEventArgs args)
+        {
+            Clipboard.SetText(Exception.StackTrace);
+        }
+    }
+}