private void button5_Click(object sender, EventArgs e)
        {
            try
            {
                IOrder o = _market.GetUserPendingOrder(_user);

                if (o == null || o.OrderType != OrderOptionEnum.Buy)
                {
                    return;
                }

                using (NewPrice np = new NewPrice(o.Wanted - o.Satisfied, (decimal)_market.SharePrice, false))
                {
                    np.ShowDialog();
                    if (np.newValue > 0)
                    {
                        _market.SuggestNewSharePrice((float)np.newValue, _user, o);
                    }
                }
            }
            catch (SocketException exception)
            {
                Debug.WriteLine(exception.Message);
            }

            UpdateView();
        }
        private void button4_Click(object sender, EventArgs e)
        {
            try
            {
                if (numericUpDown2.Value <= 0)
                {
                    return;
                }

                int howmany = (int)numericUpDown2.Value;

                int result = _market.BuyDiginotes(howmany, _user);
                if (result < numericUpDown2.Value)
                {
                    using (NewPrice np = new NewPrice(howmany, howmany - result, (decimal)_market.SharePrice, false))
                    {
                        np.ShowDialog();
                        if (np.newValue > 0)
                        {
                            _market.SuggestNewSharePrice((float)np.newValue, _user, false, howmany - result);
                        }
                    }
                }
                else
                {
                    MessageBox.Show(@"Your have new diginotes!", @"Success", MessageBoxButtons.OK,
                                    MessageBoxIcon.Information, MessageBoxDefaultButton.Button1);
                }
                UpdateView();
            }
            catch (SocketException exception)
            {
                ServerDown(exception);
            }
        }