System.Reflection.TargetInvocationException: Obiekt docelowy wywołania zgłosił wyjątek. ---> System.NullReferenceException: Odwołanie do obiektu nie zostało ustawione na wystąpienie obiektu.
   w Octgn.Play.Gui.CardControl.TableKeyDown(Object source, TableKeyEventArgs te)
   --- Koniec śladu stosu wyjątków wewnętrznych ---
   w System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
   w System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
   w System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
   w System.Delegate.DynamicInvokeImpl(Object[] args)
   w System.Windows.RoutedEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   w System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   w System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   w System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   w System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   w System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
   w Octgn.Play.PlayWindow.OnKeyDown(KeyEventArgs e)
   w System.Windows.UIElement.OnKeyDownThunk(Object sender, KeyEventArgs e)
   w System.Windows.Input.KeyEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   w System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   w System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   w System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   w System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   w System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
   w System.Windows.Input.InputManager.ProcessStagingArea()
   w System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   w System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   w System.Windows.Interop.HwndKeyboardInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawKeyboardActions actions, Int32 scanCode, Boolean isExtendedKey, Boolean isSystemKey, Int32 virtualKey)
   w System.Windows.Interop.HwndKeyboardInputProvider.ProcessKeyAction(MSG& msg, Boolean& handled)
   w System.Windows.Interop.HwndSource.CriticalTranslateAccelerator(MSG& msg, ModifierKeys modifiers)
   w System.Windows.Interop.HwndSource.OnPreprocessMessage(Object param)
   w System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)
   w System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   w System.Windows.Threading.Dispatcher.WrappedInvoke(Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)
   w System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Boolean isSingleParameter)
   w System.Windows.Threading.Dispatcher.Invoke(DispatcherPriority priority, Delegate method, Object arg)
   w System.Windows.Interop.HwndSource.OnPreprocessMessageThunk(MSG& msg, Boolean& handled)
   w System.Windows.Interop.HwndSource.WeakEventPreprocessMessage.OnPreprocessMessage(MSG& msg, Boolean& handled)
   w System.Windows.Interop.ComponentDispatcherThread.RaiseThreadMessage(MSG& msg)
   w System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   w System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
   w System.Windows.Threading.Dispatcher.Run()
   w System.Windows.Application.RunDispatcher(Object ignore)
   w System.Windows.Application.RunInternal(Window window)
   w System.Windows.Application.Run(Window window)
   w System.Windows.Application.Run()
   w Octgn.OctgnApp.Main()