请问高手们这个智能系统如何设置最多持仓限制
//+------------------------------------------------------------------+
//| 100 pips a day.mq4 |
//| Copyright ?2005, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright ?2005, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"
extern int timeframe = 60;
extern double stopLoss = 25;
extern double lTakeProfit = 35;
extern double sTakeProfit = 35;
extern double lTrailingStop = 15;
extern double sTrailingStop = 15;
extern color clOpenBuy = Blue;
extern color clCloseBuy = Aqua;
extern color clOpenSell = Red;
extern color clCloseSell = Violet;
extern color clModiBuy = Blue;
extern color clModiSell = Red;
extern string Name_Expert = "100 pips v4 SL50 TP100 - 1";
extern int Slippage = 2;
extern bool UseSound = true;
extern string NameFileSound = "shotgun.wav";
extern double Lots = 0.1;
int init(){return(0);}
int deinit(){return(0);}
int start(){
if(Bars<100) {Print("bars less than 100");return(0);}
if(lTakeProfit<10){Print("TakeProfit less than 10");return(0);}
if(sTakeProfit<10){Print("TakeProfit less than 10");return(0);}
if(timeframe==0) {timeframe=Period();}
double diClose0=iClose(Symbol(),timeframe,0);
double diMA1=iMA(Symbol(),timeframe,7,0,MODE_SMA,PRICE_OPEN,0);
double diClose2=iClose(Symbol(),timeframe,0);
double diMA3=iMA(Symbol(),timeframe,6,0,MODE_SMA,PRICE_OPEN,0);
if(AccountFreeMargin()<(20000*Lots)){
Print("We have no money. Free Margin = ", AccountFreeMargin());
return(0); }
if(!ExistPositions()) {
if((diClose0diMA1)) {
OpenSell();
return(0); } }
TrailingPositionsBuy(lTrailingStop);
TrailingPositionsSell(sTrailingStop);
return (0); }//end start
// - - - - - - FUNCTIONS - - - - - - -
bool ExistPositions() {
for(int i=0;itrailingStop*Point) {
if(OrderStopLoss()trailingStop*Point) {
if(OrderStopLoss()>Ask+trailingStop*Point || OrderStopLoss()==0) {
ModifyStopLoss(Ask+trailingStop*Point);}}}}}}
void ModifyStopLoss(double ldStopLoss) {
bool fm;
fm = OrderModify(OrderTicket(),OrderOpenPrice(),ldStopLoss,OrderTakeProfit(),0,0);
if (fm && UseSound) PlaySound(NameFileSound);
}
void OpenBuy() {
double ldLot, ldStop, ldTake;
string lsComm;
ldLot = GetSizeLot();
ldStop = Ask-Point*stopLoss;
ldTake = NormalizeDouble(GetTakeProfitBuy(),Digits);
lsComm = GetCommentForOrder();
OrderSend(Symbol(),OP_BUY,ldLot,NormalizeDouble(Ask,Digits),Slippage,ldStop,ldTake,lsComm,0,0,clOpenBuy);
if (UseSound) PlaySound(NameFileSound); }
void OpenSell() {
double ldLot, ldStop, ldTake;
string lsComm;
ldLot = GetSizeLot();
ldStop = Bid+Point*stopLoss;
ldTake = NormalizeDouble(GetTakeProfitSell(),Digits);
lsComm = GetCommentForOrder();
OrderSend(Symbol(),OP_SELL,ldLot,NormalizeDouble(Bid,Digits),Slippage,ldStop,ldTake,lsComm,0,0,clOpenSell);
if (UseSound) PlaySound(NameFileSound); }
string GetCommentForOrder() { return(Name_Expert); }
double GetSizeLot() { return(Lots); }
double GetTakeProfitBuy() { return(Ask+lTakeProfit*Point); }
double GetTakeProfitSell() { return(Bid-sTakeProfit*Point); }