Expert Advisor Programming by Andrew R. Young

Appendix D
}
Print(ErrLog);
}
return(Ticket);
int OpenBuyLimitOrder(string argSymbol, double argLotSize, double argPendingPrice,
double argStopLoss, double argTakeProfit, double argSlippage, double argMagicNumber,
datetime argExpiration, string argComment = "Buy Limit Order")
{
while(IsTradeContextBusy()) Sleep(10);
// Place Buy Limit Order
int Ticket = OrderSend(argSymbol,OP_BUYLIMIT,argLotSize,argPendingPrice,argSlippage,
argStopLoss,argTakeProfit,argComment,argMagicNumber,argExpiration,Green);
// Error Handling
if(Ticket == -1)
{
int ErrorCode = GetLastError();
string ErrDesc = ErrorDescription(ErrorCode);
string ErrAlert = StringConcatenate("Open Buy Limit Order - Error ",ErrorCode,
": ",ErrDesc);
Alert(ErrAlert);
}
string ErrLog = StringConcatenate("Bid: ",MarketInfo(argSymbol,MODE_BID),
" Lots: ",argLotSize," Price: ",argPendingPrice," Stop: ",argStopLoss,
" Profit: ",argTakeProfit," Expiration: ",TimeToStr(argExpiration));
Print(ErrLog);
}
return(Ticket);
int OpenSellLimitOrder(string argSymbol, double argLotSize, double argPendingPrice,
double argStopLoss, double argTakeProfit, double argSlippage, double argMagicNumber,
datetime argExpiration, string argComment = "Sell Limit Order")
{
while(IsTradeContextBusy()) Sleep(10);
// Place Sell Limit Order
int Ticket = OrderSend(argSymbol,OP_SELLLIMIT,argLotSize,argPendingPrice,argSlippage,
argStopLoss,argTakeProfit,argComment,argMagicNumber,argExpiration,Red);
// Error Handling
if(Ticket == -1)
{
int ErrorCode = GetLastError();
string ErrDesc = ErrorDescription(ErrorCode);
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