/// <summary>
/// Stops connection to MT
/// </summary>
private void Disconnect()
{
nullPing = true;
pingAttempt = 0;
if (Data.IsConnected && Configs.PlaySounds)
{
Data.SoundDisconnect.Play();
}
Data.IsConnected = false;
StopTrade();
JournalMessage jmsg = new JournalMessage(JournalIcons.Blocked, DateTime.Now, Language.T("Not Connected"));
AppendJournalMessage(jmsg);
Data.Bid = 0;
Data.Ask = 0;
Data.SetCurrentAccount(DateTime.MinValue, 0, 0, 0, 0);
bool poschanged = Data.SetCurrentPosition(0, -1, 0, 0, DateTime.MinValue, 0, 0, 0, "");
ShowCurrentPosition(poschanged);
SetEquityInfoText(string.Format("{0} {1}", 0, Data.AccountCurrency));
UpdateBalanceChart(Data.BalanceData, Data.BalanceDataPoints);
SetTradeStrip();
SetConnMarketText(Language.T("Not Connected"));
SetLblConnectionText(Language.T("Not Connected"));
SetConnIcon(0);
SetTickInfoText("");
SetLblSymbolText("");
SetFormText();
}
/// <summary>
/// Pings the server in order to check the connection.
/// </summary>
void TimerPing_Tick(object sender, EventArgs e)
{
if (DateTime.Now < tickLocalTime.AddSeconds(1))
{
return; // The last tick was soon enough.
}
lock (lockerTickPing)
{
MT4Bridge.PingInfo ping = bridge.GetPingInfo();
if (ping == null && !nullPing)
{ // Wrong ping.
pingAttempt++;
if ((pingAttempt == 1 || pingAttempt % 10 == 0) && JournalShowSystemMessages)
{
JournalMessage jmsgsys = new JournalMessage(JournalIcons.System, DateTime.Now, Language.T("Unsuccessful ping") + " No " + pingAttempt + ".");
AppendJournalMessage(jmsgsys);
}
if (pingAttempt == 30)
{
JournalMessage jmsgsys = new JournalMessage(JournalIcons.Warning, DateTime.Now, Language.T("There is no connection with MetaTrader."));
AppendJournalMessage(jmsgsys);
if (Configs.PlaySounds)
{
Data.SoundError.Play();
}
}
if (pingAttempt < 60)
{
SetConnIcon(pingAttempt < 30 ? 3 : 4);
return;
}
Disconnect();
}
else if (ping != null)
{ // Successful ping.
nullPing = false;
bool bUpdateData = false;
if (!Data.IsConnected || IsChartChangeged(ping.Symbol, (DataPeriods)(int)ping.Period))
{ // Disconnected or chart change.
pingAttempt = 0;
if (JournalShowSystemMessages)
{
JournalMessage jmsgsys = new JournalMessage(JournalIcons.System, DateTime.Now,
ping.Symbol + " " + ping.Period.ToString() + " " + Language.T("Successful ping."));
AppendJournalMessage(jmsgsys);
}
StopTrade();
if (!UpdateDataFeedInfo(ping.Time, ping.Symbol, (DataPeriods)(int)ping.Period))
{
return;
}
Data.Bid = ping.Bid;
Data.Ask = ping.Ask;
Data.InstrProperties.Spread = ping.Spread;
Data.InstrProperties.TickValue = ping.TickValue;
Data.IsConnected = true;
bUpdateData = true;
SetFormText();
SetConnIcon(1);
SetTradeStrip();
if (Configs.PlaySounds)
{
Data.SoundConnect.Play();
}
MT4Bridge.TerminalInfo te = bridge.GetTerminalInfo();
string connection = Language.T("Connected to a MetaTrader terminal.");
if (te != null)
{
connection = string.Format(Language.T("Connected to") + " {0} " + Language.T("by") + " {1}", te.TerminalName, te.TerminalCompany);
Data.ExpertVersion = te.ExpertVersion;
Data.LibraryVersion = te.LibraryVersion;
Data.TerminalName = te.TerminalName;
}
SetLblConnectionText(connection);
string market = string.Format("{0} {1}", ping.Symbol, ping.Period);
SetConnMarketText(market);
JournalMessage jmsg = new JournalMessage(JournalIcons.OK, DateTime.Now, market + " " + connection);
AppendJournalMessage(jmsg);
// Check for reconnection.
if (symbolReconnect == Data.Symbol && periodReconnect == Data.Period && accountReconnect == Data.AccountNumber)
{
StartTrade(); // Restart trade.
}
}
else if (pingAttempt > 0 && JournalShowSystemMessages)
{ // After a wrong ping.
pingAttempt = 0;
JournalMessage jmsgsys = new JournalMessage(JournalIcons.System, DateTime.Now,
ping.Symbol + " " + ping.Period.ToString() + " " + Language.T("Successful ping."));
AppendJournalMessage(jmsgsys);
}
bool isNewPrice = Math.Abs(Data.Bid - ping.Bid) > Data.InstrProperties.Point / 2;
DateTime dtPingServerTime = tickServerTime.Add(DateTime.Now - tickLocalTime);
string sBid = ping.Bid.ToString(Data.FF);
string sAsk = ping.Ask.ToString(Data.FF);
SetLblBidAskText(sBid + " / " + sAsk);
Data.Bid = ping.Bid;
Data.Ask = ping.Ask;
Data.InstrProperties.Spread = ping.Spread;
Data.InstrProperties.TickValue = ping.TickValue;
Data.ServerTime = ping.Time;
bool isAccChanged = Data.SetCurrentAccount(ping.Time, ping.AccountBalance, ping.AccountEquity, ping.AccountProfit, ping.AccountFreeMargin);
bool isPosChanged = Data.SetCurrentPosition(ping.PositionTicket, ping.PositionType, ping.PositionLots, ping.PositionOpenPrice, ping.PositionOpenTime,
ping.PositionStopLoss, ping.PositionTakeProfit, ping.PositionProfit, ping.PositionComment);
SetDataAndCalculate(ping.Symbol, ping.Period, dtPingServerTime, isNewPrice, bUpdateData);
SetEquityInfoText(string.Format("{0:F2} {1}", ping.AccountEquity, Data.AccountCurrency));
ShowCurrentPosition(isPosChanged);
if (isAccChanged)
{
JournalMessage jmsg = new JournalMessage(JournalIcons.Currency, DateTime.Now,
string.Format(Language.T("Account Balance") + " {0:F2}, " + Language.T("Equity") + " {1:F2}, " + Language.T("Profit") + ", {2:F2}, " + Language.T("Free Margin") + " {3:F2}",
ping.AccountBalance, ping.AccountEquity, ping.AccountProfit, ping.AccountFreeMargin));
AppendJournalMessage(jmsg);
}
if (Data.IsBalanceDataChganged)
{
UpdateBalanceChart(Data.BalanceData, Data.BalanceDataPoints);
}
SetTickInfoText(string.Format("{0} {1} / {2}", ping.Time.ToString("HH:mm:ss"), sBid, sAsk));
SetConnIcon(1);
// Sends OrderModify on SL/TP errors
if (IsWrongStopsExecution())
{
ResendWrongStops();
}
}
}
return;
}
/// <summary>
/// Sets the instrument's properties after connecting;
/// </summary>
bool UpdateDataFeedInfo(DateTime time, string symbol, DataPeriods period)
{
lock (lockerDataFeed)
{
Data.ResetBidAsk();
Data.ResetAccountStats();
Data.ResetPositionStats();
Data.ResetBarStats();
Data.ResetTicks();
// Reads market info from the chart
MT4Bridge.MarketInfo marketInfo = bridge.GetMarketInfoAll(symbol);
if (marketInfo == null)
{
if (JournalShowSystemMessages)
{
JournalMessage jmsgsys = new JournalMessage(JournalIcons.System, DateTime.Now,
symbol + " " + (MT4Bridge.PeriodType)(int) period + " " + Language.T("Cannot update market info."));
AppendJournalMessage(jmsgsys);
}
return(false);
}
// Sets instrument properties
Data.Period = period;
Data.InstrProperties.Symbol = symbol;
Data.InstrProperties.LotSize = (int)marketInfo.ModeLotSize;
Data.InstrProperties.MinLot = marketInfo.ModeMinLot;
Data.InstrProperties.MaxLot = marketInfo.ModeMaxLot;
Data.InstrProperties.LotStep = marketInfo.ModeLotStep;
Data.InstrProperties.Digits = (int)marketInfo.ModeDigits;
Data.InstrProperties.Spread = marketInfo.ModeSpread;
Data.InstrProperties.SwapLong = marketInfo.ModeSwapLong;
Data.InstrProperties.SwapShort = marketInfo.ModeSwapShort;
Data.InstrProperties.TickValue = marketInfo.ModeTickValue;
Data.InstrProperties.StopLevel = marketInfo.ModeStopLevel;
Data.InstrProperties.MarginRequired = marketInfo.ModeMarginRequired;
SetNumUpDownLots(marketInfo.ModeMinLot, marketInfo.ModeLotStep, marketInfo.ModeMaxLot);
// Sets Market Info
string[] values = new string[] {
symbol,
Data.DataPeriodToString(period),
marketInfo.ModeLotSize.ToString(),
marketInfo.ModePoint.ToString("F" + marketInfo.ModeDigits.ToString()),
marketInfo.ModeSpread.ToString(),
marketInfo.ModeSwapLong.ToString(),
marketInfo.ModeSwapShort.ToString()
};
UpdateStatusPageMarketInfo(values);
MT4Bridge.Bars bars = bridge.GetBars(symbol, (MT4Bridge.PeriodType)(int) period);
if (bars == null)
{
if (JournalShowSystemMessages)
{
Data.SoundError.Play();
JournalMessage jmsgsys = new JournalMessage(JournalIcons.System, DateTime.Now,
symbol + " " + (MT4Bridge.PeriodType)(int) period + " " + Language.T("Cannot receive bars!"));
AppendJournalMessage(jmsgsys);
}
return(false);
}
if (bars.Count < MaxBarsCount((int)period))
{
if (JournalShowSystemMessages)
{
Data.SoundError.Play();
JournalMessage jmsg = new JournalMessage(JournalIcons.Error, DateTime.Now,
symbol + " " + (MT4Bridge.PeriodType)(int) period + " " + Language.T("Cannot receive enough bars!"));
AppendJournalMessage(jmsg);
}
return(false);
}
if (JournalShowSystemMessages)
{
JournalMessage jmsgsys = new JournalMessage(JournalIcons.System, DateTime.Now,
symbol + " " + (MT4Bridge.PeriodType)(int) period + " " + Language.T("Market data updated, bars downloaded."));
AppendJournalMessage(jmsgsys);
}
// Account Information.
MT4Bridge.AccountInfo account = bridge.GetAccountInfo();
if (account == null)
{
if (JournalShowSystemMessages)
{
Data.SoundError.Play();
JournalMessage jmsg = new JournalMessage(JournalIcons.Error, DateTime.Now,
symbol + " " + (MT4Bridge.PeriodType)(int) period + " " + Language.T("Cannot receive account information!"));
AppendJournalMessage(jmsg);
}
return(false);
}
if (JournalShowSystemMessages)
{
JournalMessage jmsgsys = new JournalMessage(JournalIcons.System, DateTime.Now,
symbol + " " + (MT4Bridge.PeriodType)(int) period + " " + Language.T("Account information received."));
AppendJournalMessage(jmsgsys);
}
Data.AccountName = account.Name;
Data.IsDemoAccount = account.IsDemo;
Data.AccountCurrency = account.Currency;
Data.SetCurrentAccount(time, account.Balance, account.Equity, account.Profit, account.FreeMargin);
UpdateBalanceChart(Data.BalanceData, Data.BalanceDataPoints);
SetTradeStrip();
SetLblSymbolText(symbol);
}
return(true);
}
/// <summary>
/// Bridge OnTick
/// </summary>
void Bridge_OnTick(object source, MT4Bridge.TickEventArgs tea)
{
lock (lockerTickPing)
{
if (pingAttempt > 0 && JournalShowSystemMessages)
{
JournalMessage jmsgsys = new JournalMessage(JournalIcons.System, DateTime.Now,
tea.Symbol + " " + tea.Period.ToString() + " " + Language.T("Tick received after an unsuccessful ping."));
AppendJournalMessage(jmsgsys);
}
pingAttempt = 0;
if (!Data.IsConnected)
{
return;
}
tickLocalTime = DateTime.Now;
tickServerTime = tea.Time;
if (IsChartChangeged(tea.Symbol, (DataPeriods)(int)tea.Period))
{
StopTrade();
Data.IsConnected = false;
SetFormText();
if (Configs.PlaySounds)
{
Data.SoundDisconnect.Play();
}
JournalMessage jmsg = new JournalMessage(JournalIcons.Warning, DateTime.Now,
tea.Symbol + " " + tea.Period.ToString() + " " + Language.T("Tick received from a different chart!"));
AppendJournalMessage(jmsg);
return;
}
bool bNewPrice = Math.Abs(Data.Bid - tea.Bid) > Data.InstrProperties.Point / 2;
Data.Bid = tea.Bid;
Data.Ask = tea.Ask;
Data.InstrProperties.Spread = tea.Spread;
Data.InstrProperties.TickValue = tea.TickValue;
Data.ServerTime = tea.Time;
Data.SetTick(tea.Bid);
bool isAccChanged = Data.SetCurrentAccount(tea.Time, tea.AccountBalance, tea.AccountEquity, tea.AccountProfit, tea.AccountFreeMargin);
bool isPosChanged = Data.SetCurrentPosition(tea.PositionTicket, tea.PositionType, tea.PositionLots, tea.PositionOpenPrice, tea.PositionOpenTime,
tea.PositionStopLoss, tea.PositionTakeProfit, tea.PositionProfit, tea.PositionComment);
bool updateData = true;
SetDataAndCalculate(tea.Symbol, tea.Period, tea.Time, bNewPrice, updateData);
string bidText = tea.Bid.ToString(Data.FF);
string askText = tea.Ask.ToString(Data.FF);
SetLblBidAskText(bidText + " / " + askText);
// Tick data label
if (JournalShowTicks)
{
string tickInfo = string.Format("{0} {1} {2} {3} / {4}", tea.Symbol, tea.Period, tea.Time.ToString("HH:mm:ss"), bidText, askText);
JournalMessage jmsg = new JournalMessage(JournalIcons.Globe, DateTime.Now, tickInfo);
AppendJournalMessage(jmsg);
}
UpdateTickChart(Data.InstrProperties.Point, Data.ListTicks.ToArray());
SetEquityInfoText(string.Format("{0:F2} {1}", tea.AccountEquity, Data.AccountCurrency));
ShowCurrentPosition(isPosChanged);
if (isAccChanged)
{
JournalMessage jmsg = new JournalMessage(JournalIcons.Currency, DateTime.Now,
string.Format(Language.T("Account Balance") + " {0:F2}, " + Language.T("Equity") + " {1:F2}, " + Language.T("Profit") + ", {2:F2}, " + Language.T("Free Margin") + " {3:F2}",
tea.AccountBalance, tea.AccountEquity, tea.AccountProfit, tea.AccountFreeMargin));
AppendJournalMessage(jmsg);
}
if (Data.IsBalanceDataChganged)
{
UpdateBalanceChart(Data.BalanceData, Data.BalanceDataPoints);
}
SetTickInfoText(string.Format("{0} {1} / {2}", tea.Time.ToString("HH:mm:ss"), bidText, askText));
SetConnIcon(2);
// Sends OrderModify on SL/TP errors
if (IsWrongStopsExecution())
{
ResendWrongStops();
}
}
return;
}
