Expert Advisor Programming by Andrew R. Young

Appendix D
bool VerifyUpperStopLevel(string argSymbol, double argVerifyPrice,
double argOpenPrice = 0)
{
double StopLevel = MarketInfo(argSymbol,MODE_STOPLEVEL) * Point;
if(argOpenPrice == 0) double OpenPrice = MarketInfo(argSymbol,MODE_ASK);
else OpenPrice = argOpenPrice;
double UpperStopLevel = OpenPrice + StopLevel;
if(argVerifyPrice > UpperStopLevel) bool StopVerify = true;
else StopVerify = false;
}
return(StopVerify);
bool VerifyLowerStopLevel(string argSymbol, double argVerifyPrice,
double argOpenPrice = 0)
{
double StopLevel = MarketInfo(argSymbol,MODE_STOPLEVEL) * Point;
if(argOpenPrice == 0) double OpenPrice = MarketInfo(argSymbol,MODE_BID);
else OpenPrice = argOpenPrice;
double LowerStopLevel = OpenPrice - StopLevel;
if(argVerifyPrice < LowerStopLevel) bool StopVerify = true;
else StopVerify = false;
}
return(StopVerify);
double AdjustAboveStopLevel(string argSymbol, double argAdjustPrice, int argAddPips = 0,
double argOpenPrice = 0)
{
double StopLevel = MarketInfo(argSymbol,MODE_STOPLEVEL) * Point;
if(argOpenPrice == 0) double OpenPrice = MarketInfo(argSymbol,MODE_ASK);
else OpenPrice = argOpenPrice;
double UpperStopLevel = OpenPrice + StopLevel;
if(argAdjustPrice