//+------------------------------------------------------------------+ //| 3shadeopen.mq4 | //| Copyright 2006, sx ted | //| Purpose: shade New York or other sessions for chart time frames | //| M1 to H4 (at a push). | //| version: 2 - enhanced for speed but with MT4 beeing so fast no | //| difference will be noticed, all the sessions are | //| shaded in the init(), last session if it is current | //| is widened in the start() in lieu of repainting all.| //+------------------------------------------------------------------+ #property copyright "Copyright 2006, sx ted" #property link "" #property indicator_chart_window //---- input parameters extern color ShadeColor=Gold; /* // if in Moscow #define NY_OPEN_HH 17 // NY session open hour #define NY_OPEN_MM 30 // NY session open minutes #define NY_CLOSE_HH 00 // NY session close hour #define NY_CLOSE_MM 05 // NY session close minutes */ /* if in London #define NY_OPEN_HH 14 // NY session open hour #define NY_OPEN_MM 30 // NY session open minutes #define NY_CLOSE_HH 21 // NY session close hour #define NY_CLOSE_MM 05 // NY session close minutes */ // if in New York #define NY_OPEN_HH 06 // NY session open hour #define NY_OPEN_MM 30 // NY session open minutes #define NY_CLOSE_HH 13 // NY session close hour #define NY_CLOSE_MM 05 // NY session close minutes #define MAX_DAYS_TO_SHADE 5 // maximum number of days back from last chart date to be shaded //---- global variables to program string obj; //array of object names int iPrevious=0, iStart=-1, iEnd; double dLow, dHigh; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ int init() { if(Period()>PERIOD_H4) return(0); // no shading required int iMaxBarsOnChart=iBars(NULL,0), i, iBarDay, iBarTime; // find approximate start of first day to shade int iBarsToDo=MathMin((MAX_DAYS_TO_SHADE*PERIOD_D1)/Period(),iMaxBarsOnChart); // find start of first day to shade for(i=iBarsToDo; i=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM) iStart=i; else if(iStart>-1) break; } if(iStart>-1) iBarsToDo=iStart; iStart=-1; // shade previous sessions and current session if started for(i=iBarsToDo; i>=0; i--) { iBarDay=TimeYear(Time)*PERIOD_MN1*12+TimeMonth(Time)*PERIOD_MN1+TimeDay(Time)*PERIOD_D1; iBarTime=iBarDay+TimeHour(Time)*60+TimeMinute(Time); if(iBarTime>=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM) { if(iBarDay==iPrevious) // current NY session { dLow =MathMin(dLow, Low); dHigh=MathMax(dHigh, High); } else // new NY session { dLow=Low; dHigh=High; iStart=i; iPrevious=iBarDay; } iEnd=i; } else if(iStart>-1) { PaintRectangle(); iStart=-1; } } if(iStart>-1) PaintRectangle(); // paint the last one if session not closed return(0); } //+------------------------------------------------------------------+ //| Custom indicator deinitialization function | //+------------------------------------------------------------------+ int deinit() { int iaCount=ArraySize(obj); for(int i=0; i-1) ObjectDelete(obj); } return(0); } //+------------------------------------------------------------------+ //| Custom indicator iteration function | //+------------------------------------------------------------------+ int start() { int i=0, iBarDay, iBarTime; iBarDay=TimeYear(Time)*PERIOD_MN1*12+TimeMonth(Time)*PERIOD_MN1+TimeDay(Time)*PERIOD_D1; iBarTime=iBarDay+TimeHour(Time)*60+TimeMinute(Time); if(iBarTime>=iBarDay+NY_OPEN_HH*60+NY_OPEN_MM && iBarTime<=iBarDay+NY_CLOSE_HH*60+NY_CLOSE_MM) { if(iBarDay==iPrevious) // current NY session { dLow =MathMin(dLow, Low); dHigh=MathMax(dHigh, High); } else // new NY session { dLow=Low; dHigh=High; iStart=i; iPrevious=iBarDay; } iEnd=i; PaintRectangle(); } return(0); } //+------------------------------------------------------------------+ //| Paint rectangle | //+------------------------------------------------------------------+ void PaintRectangle() { string sObj="ShadeNY_"+DoubleToStr(iPrevious, 0); // name for the object if(ObjectFind(sObj)>-1) { // current session object found, so just widen it ObjectSet(sObj,OBJPROP_PRICE1,dLow-Point); ObjectSet(sObj,OBJPROP_TIME2 ,Time[iEnd]); ObjectSet(sObj,OBJPROP_PRICE2,dHigh+Point); } else { // otherwise create new object for the session int iaCount=ArraySize(obj); ArrayResize(obj, iaCount+1); obj[iaCount]=sObj; ObjectCreate(sObj,OBJ_RECTANGLE,0,Time[iStart],dLow-Point,Time[iEnd],dHigh+Point); ObjectSet(sObj,OBJPROP_COLOR,ShadeColor); } } //+------------------------------------------------------------------+3shadeopen.jpg

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突破开仓。。。