Урок 6. Программируем быстрые торговые системы

        private void OnClosing(object sender, CancelEventArgs e)
        {
            if (Connection.SafeConnection.Trader != null && Connection.SafeConnection.Trader.IsConnected)
            {
                Connection.SafeConnection.Trader.Dispose();
            }

            Thread.CurrentThread.Abort();
            base.OnClosing(e);
        }

        private void OnClosing(object sender, CancelEventArgs e)
        {
            if (Connection.SafeConnection.Trader != null && Connection.SafeConnection.Trader.ConnectionState == 

ConnectionStates.Connected)
            {
                Connection.SafeConnection.Trader.Dispose();
            }

            Thread.CurrentThread.Abort();
            base.OnClosing(e);
        }