MT4常用函数变量说明

1、预定义变量Pre-definedVariablesdoubleAsk通货的买入价示例:if(iRSI(NULL,0,14,PRICE_CLOSE,0)75)OrderSend(EURUSD,OP_SELL,Lots,Bid,3,Bid+StopLoss*Point,Bid-TakeProfit*Point,Myorder#2,3,D2005.10.1012:30,Red);return(0);doubleClose返回指定索引位置的收盘价格示例:inthandle,bars=Bars;handle=FileOpen(file.csv,FILE_CSV|FILE_WRITE,;);if(hand

2、le0)/writetablecolumnsheadersFileWrite(handle,Time；Open；High；Low；Close；Volume)；/writedatafor(inti=0；iFileWrite(handle,Timei,Openi,Highi,Lowi,Closei,Volumei)；FileClose(handle)；intDigits返回当前通货的汇率小数位示例:Print(DoubleToStr(Closei-l,Digits)；doubleHigh返回指定索引位置的最高价格示例:inthandle,bars=Bars；handle=FileOpen(file

3、.csv,FILE_CSV|FILE_WRITE,；)；if(handle0)/writetablecolumnsheadersFileWrite(handle,Time;Open;High;Low;Close;Volume);/writedatafor(inti=0;iFileWrite(handle,Timei,Openi,Highi,Lowi,Closei,Volumei);FileClose(handle);doubleLow返回指定索引位置的最低价格示例:inthandle,bars=Bars;handle=FileOpen(file.csv,FILE_CSV|FILE_WRITE,

4、;);if(handle0)/writetablecolumnsheadersFileWrite(handle,Time;Open;High;Low;Close;Volume);/writedatafor(inti=0;iFileWrite(handle,Timei,Openi,Highi,Lowi,Closei,Volumei);FileClose(handle);doubleOpen返回指定索引位置的开盘价格示例:inthandle,bars=Bars；handle=FileOpen(file.csv,FILE_CSV|FILE_WRITE,；)；if(handle0)/writetabl

5、ecolumnsheadersFileWrite(handle,Time；Open；High；Low；Close；Volume)；/writedatafor(inti=0；iFileWrite(handle,Timei,Openi,Highi,Lowi,Closei,Volumei)；FileClose(handle)；doublePoint返回当前图表的点值示例:OrderSend(Symbol(),OP_BUY,Lots,Ask,3,0,Ask+TakeProfit*Point,Red)；datetimeTime返回指定索引位置的时间示例:inthandle,bars=Bars;handl

6、e=FileOpen(file.csv,FILE_CSV|FILE_WRITE,;);if(handle0)/writetablecolumnsheadersFileWrite(handle,Time;Open;High;Low;Close;Volume);/writedatafor(inti=0;iFileWrite(handle,Timei,Openi,Highi,Lowi,Closei,Volumei);FileClose(handle);doubleVolume返回指定索引位置的成交量示例:inthandle,bars=Bars;handle=FileOpen(file.csv,FIL

7、E_CSV|FILE_WRITE,；)；if(handle0)/writetablecolumnsheadersFileWrite(handle,Time；Open；High；Low；Close；Volume)；/eritedatafor(inti=0；iFileWrite(handle,Timei,Openi,Highi,Lowi,Closei,Volumei)；FileClose(handle)；)Appliedpriceenumeration价格类型枚举示例:ConstantValueDescriptionPRICE_CLOSE0收盘价PRICE_OPEN1开盘价PRICE_HIGH2最

8、高价PRICE_LOW3最低价PRICE_MEDIAN4最高价和最低价的平均价PRICE_TYPICAL5最高价、最低价和收盘价的平均价PRICE_WEIGHTED6开、收盘价和最高最低价的平均价Drawingshapestyleenumeration画图形状样式枚举，形状：ConstantValueDescriptionDRAW_LINE0Drawingline.DRAW_SECTION1Drawingsections.DRAW_HISTOGRAM2Drawinghistogram.DRAW_ARROW3Drawingarrows(symbols).DRAW_NONE12Nodrawing.

9、样式：ConstantValueDescriptionSTYLE_SOLID0Thepenissolid.STYLE_DASH1Thepenisdashed.STYLE_DOT2Thepenisdotted.STYLE_DASHDOT3Thepenhasalternatingdashesanddots.STYLE_DASHDOTDOT4ThepenhasalternatingdashesanddoubledotsMovingAveragemethodenumeration移动平均线模式枚举，iAlligator(),iEnvelopes(),iEnvelopesOnArray,iForce()

10、,iGator(),iMA(),iMAOnArray(),iStdDev(),iStdDevOnArray(),iStochastic()这些会调用此枚举ConstantValueDescriptionMODE_SMA0Simplemovingaverage,MODE_EMA1Exponentialmovingaverage,MODE_SMMA2Smoothedmovingaverage,MODE_LWMA3Linearweightedmovingaverage.Objectpropertiesenumeration物件属性枚举ConstantValueOBJPROP_TIME10OBJPRO

11、P_PRICE11OBJPROP_TIME22OBJPROP_PRICE23OBJPROP_TIME34OBJPROP_PRICE3ConstantValueOBJPROP_TIME10OBJPROP_PRICE11OBJPROP_TIME22OBJPROP_PRICE23OBJPROP_TIME34OBJPROP_PRICE35OBJPROP_COLOR6OBJPROP_STYLE7OBJPROP_WIDTH8OBJPROPBACK9DescriptionDatetimevaluetoset/getfirstcoordinatetimepart.Doublevaluetoset/getfir

12、stcoordinatepricepart.Datetimevaluetoset/getsecondcoordinatetimepart.Doublevaluetoset/getsecondcoordinatepricepart.Datetimevaluetoset/getthirdcoordinatetimepart.Doublevaluetoset/getthirdcoordinatepricepart.Colorvaluetoset/getobjectcolor.ValueisoneofSTYLE_SOLID,STYLE_DASH,STYLE_DOT,STYLE_DASHDOT,STYL

13、E_DASHDOTDOTconstantstoset/getobjectlinestyle.Integervaluetoset/getobjectlinewidth.Canbefrom1to5.Booleanvaluetoset/getbackgrounddrawingflagforobject.Seriesarrayidentifier系列数组标识符ConstantValueDescriptionMODE_OPEN0Openprice.MODE_LOW1Lowprice.MODE_HIGH2Highprice.MODE_CLOSE3Closeprice.MODE_VOLUME4Volume,

14、usedinLowest。andHighest。functions.MODE_TIME5Baropentime,usedinArrayCopySeries()function.Timeframeenumeration特殊常量ConstantValueDescriptionPERIOD_M111minute.PERIOD_M555minutes.PERIOD_M151515minutes.PERIOD_M303030minutes.PERIOD_H1601hour.PERIOD_H42404hour.PERIOD_D11440Daily.PERIOD_W110080Weekly.PERIOD_M

15、N143200Monthly.0(zero)0Timeframeusedonthechart.Tradeoperationenumeration交易类型ConstantValueDescriptionOP_BUY0Buyingposition.OP_SELL1Sellingposition.OP_BUYLIMIT2Buylimitpendingposition.OP_SELLLIMIT3Selllimitpendingposition.OP_BUYSTOP4Buystoppendingposition.OP_SELLSTOP5Sellstoppendingposition.Webcolorst

16、able颜色表LightSeaGreenGoldenrodMediumSpringGreenLawnGreenOrangeGoldYellowChartreuseLimeSpringGreenAquaDeepSkyBlueMagentaMediumTurquoiseTurquoiseDarkKhakiMediumOrchidGreenYellowMediumAquamarineOrchidDarkGraySandyBrownTanBurlyWoodHotPinkVioletSkyBlueLightSalmonPlumKhakiLightGreenAquamarineSilverLightSky

17、BlueLightSteelBlueLightBluePaleGreenThistlePowderBluePaleGoldenrodPaleTurquoiseLightGreyWheatNavajoWhiteMoccasinLightPinkGainsboroPeachPuffPinkBisqueLightGoldenRodBlanchedAlmondLemonChiffonBeigeLavenderMistyRoseLavenderBlushMintCream技术指标调用TechnicalAntiqueWhiteOldLaceSnowIndicatorPapayaWhipWhiteSmoke

18、WhitecallsCornsilkSeashellLightYellowIvoryLightCyanHoneydewLinenAliceBluedoubleiAC(stringsymbol,inttimeframe,intshift)计算BillWilliamsAccelerator/Deceleratoroscillator的值:输入参数symbol-通货标识timeframe-时间线shift-位移数示例:doubleresult=iAC(NULL,0,1)；doubleiAD(stringsymbol,inttimeframe,intshift)计算Accumulation/Distr

19、ibutionindicator的值:输入参数symbol-通货标识timeframe-时间线shift-位移数示例:doubleresult=iAD(NULL,0,1)；doubleiAlligator(stringsymbol,inttimeframe,intjaw_period,intjaw_shift,intteeth_period,intteeth_shift,intlips_period,intlips_shift,intma_method,intapplied_price,intmode,intshift)计算BillWilliamsAlligator的值:输入参数symbol-

20、通货标识timeframe-时间线jaw_period-颚线周期jaw_shift-颚线位移teeth_period-齿线周期teeth_shift-齿线位移lips_period-唇线周期lips_shift-唇线位移ma_method-移动平均线种类applied_price-应用价格类型mode-来源模式，MODE_GATORJAW,MODE_GATORTEETH或MODE_GATORLIPSshift-位移数doublejaw_val=iAlligator(NULl,0,13,8,8,5,5,3,MODE_SMMA,PRICE_MEDIAN,MODE_GATORJAW,1);doubl

21、eiADX(stringsymbol,inttimeframe,intperiod,intapplied_price,intmode,intshift)计算Movementdirectionalindex的值:输入参数symbol-通货标识timeframe-时间线period-周期applied_price-应用价格类型mode-来源模式，参见指标线分类枚举shift-位移数if(iADX(NULL,0,14,PRICE_HIGH,MODE_MAIN,0)iADX(NULL,0,14,PRICE_HIGH,MODE_PLUSDI,0)return(0);doubleiATR(stringsy

22、mbol,inttimeframe,intperiod,intshift)计算Indicatoroftheaveragetruerange的值:输入参数symbol-通货标识timeframe-时间线period-周期shift-位移数:输入参数array-数组数据:输入参数array-数组数据if(iATR(NULL,0,12,0)iATR(NULL,0,20,0)return(0)；doubleiAO(stringsymbol,inttimeframe,intshift)计算BillWilliamsAwesomeoscillator的值:输入参数symbol-通货标识timeframe-时

23、间线shift-位移数doubleval=iAO(NULL,0,2)；doubleiBearsPower(stringsymbol,inttimeframe,intperiod,intapplied_price,intshift)计算BearsPowerindicator的值:输入参数symbol-通货标识timeframe-时间线period-周期applied_price-应用价格类型shift-位移数doubleval=iBearsPower(NULL,0,13,PRICE_CLOSE,0)；doubleiBands(stringsymbol,inttimeframe,intperiod

24、,intdeviation,intbands_shift,intapplied_price,intmode,intshift)计算Bollingerbandsindicator的值:输入参数symbol-通货标识timeframe-时间线period-周期deviation-背离bands_shift-Bands位移applied_price-应用价格类型mode-来源模式，参见指标线分类枚举shift-位移数if(iBands(NULL,0,20,2,0,PRICE_LOW,MODE_LOWER,0)Low0)return(0)；doubleiBandsOnArray(doublearray

25、,inttotal,intperiod,doubledeviation,intbands_shift,intmode,intshift)从数组中计算Bollingerbandsindicator的值total-总数据数量period-周期deviation-背离bands_shift-Bands位移applied_price-应用价格类型mode-来源模式，参见指标线分类枚举shift-位移数if(iBands(NULL,0,20,2,0,PRICE_LOW,MODE_LOWER,0)Low0)return(0)；doubleiBullsPower(stringsymbol,inttimefr

26、ame,intperiod,intapplied_price,intshift)计算BullsPowerindicator的值:输入参数symbol-通货标识timeframe-时间线period-周期applied_price-应用价格类型shift-位移数doubleval=iBullsPower(NULL,0,13,PRICE_CLOSE,0)；doubleiCCI(stringsymbol,inttimeframe,intperiod,intapplied_price,intshift)计算Commoditychannelindex的值:输入参数symbol-通货标识timeframe

27、-时间线period-周期applied_price-应用价格类型shift-位移数if(iCCI(NULL,0,12,0)iCCI(NULL,0,20,0)return(0)；doubleiCCIOnArray(doublearray,inttotal,intperiod,intshift)从数组中计算Commoditychannelindex的值:输入参数array-数组数据total-总数据数量period-周期shift-位移数if(iCCIOnArray(ExtBuffer,total,12,0)iCCl(NULL,0,20,PRICE_OPEN,0)return(0)；double

28、iCustom(stringsymbol,inttimeframe,stringname,.,intmode,intshift)计算自定义指标的值:输入参数symbol-通货标识timeframe-时间线name-自定义指标名称.-自定义指标参数mode-来源模式，参见指标线分类枚举shift-位移数doubleval=iCustom(NULL,0,SampleInd,13,1,0)；doubleiDeMarker(stringsymbol,inttimeframe,intperiod,intshift)计算DeMarkerindicator的值:输入参数symbol-通货标识timefram

29、e-时间线period-周期shift-位移数doubleval=iDeMarker(NULL,0,13,1)；doubleiEnvelopes(stringsymbol,inttimeframe,intma_period,intma_method,intma_shift,intapplied_price,doubledeviation,intmode,intshift)计算Envelopesindicator的值:输入参数symbol-通货标识timeframe-时间线ma_period-移动平均线周期ma_method-移动平均线模式ma_shift-移动平均线位移applied_pric

30、e-应用价格类型deviation-背离mode-来源模式，参见指标线分类枚举shift-位移数doubleval=iEnvelopes(NULL,0,13,MODE_SMA,10,PRICE_CLOSE,0.2,MODE_UPPER,0)；doubleiEnvelopesOnArray(doublearray,inttotal,intma_period,intma_method,intma_shift,doubledeviation,intmode,intshift)从数组中计算Envelopesindicator的值:输入参数array-数组数据total-总数据数量ma_period-移

31、动平均线周期ma_method-移动平均线模式ma_shift-移动平均线位移deviation-背离mode-来源模式，参见指标线分类枚举shift-位移数doubleval=iEnvelopesOnArray(ExtBuffer,0,13,MODE_SMA,0.2,MODE_UPPER,0)；doubleiForce(stringsymbol,inttimeframe,intperiod,intma_method,intapplied_price,intshift)计算Forceindex的值:输入参数symbol-通货标识timeframe-时间线period-周期ma_method-移

32、动平均线模式applied_price-应用价格类型shift-位移数doubleval=iForce(NULL,0,13,MODE_SMA,PRICE_CLOSE,0)；doubleiFractals(stringsymbol,inttimeframe,intmode,intshift)计算Fractals的值:输入参数symbol-通货标识timeframe-时间线mode-来源模式，参见指标线分类枚举shift-位移数doubleval=iFractals(NULL,0,MODE_UPPER,0)；doubleiGator(stringsymbol,inttimeframe,intjaw

33、_period,intjaw_shift,intteeth_period,intteeth_shift,intlips_period,intlips_shift,intma_method,intapplied_price,intmode,intshift)计算Fractals的值:输入参数symbol-通货标识timeframe-时间线jaw_period-颚线周期jaw_shift-颚线位移teeth_period-齿线周期teeth_shift-齿线位移lips_period-唇线周期lips_shift-唇线位移ma_method-移动平均线种类applied_price-应用价格类型m

34、ode-来源模式，参见指标线分类枚举shift-位移数doublejaw_val=iGator(NULL,0,13,8,8,5,5,3,MODE_SMMA,PRICE_MEDIAN,MODE_UPPER,1);doubleiIchimoku(stringsymbol,inttimeframe,inttenkan_sen,intkijun_sen,intsenkou_span_b,intmode,intshift)计算IchimokuKinkoHyo的值:输入参数symbol-通货标识timeframe-时间线tenkan_sen-转换线jkijun_sen-基准线senkou_span_b-参

35、考围bmode-来源模式，参见指标线分类枚举shift-位移数doubletenkan_sen=iIchimoku(NULL,0,9,26,52,MODE_TENKANSEN,1)；doubleiBWMFI(stringsymbol,inttimeframe,intshift)计算BillWilliamsMarketFacilitationindex的值:输入参数symbol-通货标识timeframe-时间线shift-位移数doubleval=iBWMFI(NULL,0,0);doubleiMomentum(stringsymbol,inttimeframe,intperiod,intap

36、plied_price,intshift)计算Momentumindicator的值:输入参数symbol-通货标识timeframe-时间线period-周期applied_price-应用价格类型shift-位移数if(iMomentum(NULL,0,12,PRICE_CLOSE,0)iMomentum(NULL,0,20,PRICE_CLOSE,0)return(0);doubleiMomentumOnArray(doublearray,inttotal,intperiod,intshift)从数组中计算Momentumindicator的值:输入参数array-数组数据total-总

37、数据数量period-周期shift-位移数if(iMomentumOnArray(mybuffer,100,12,0)iMomentumOnArray(mubuffer,100,20,0)return(0)；doubleiMFI(stringsymbol,inttimeframe,intperiod,intshift)计算Moneyflowindex的值:输入参数symbol-通货标识timeframe-时间线period-周期shift-位移数if(iMFl(NULL,0,14,0)iMFl(NULL,0,14,1)return(0)；doubleiMA(stringsymbol,intt

38、imeframe,intperiod,intma_shift,intma_method,intapplied_price,intshift)计算Movingaverageindicator的值:输入参数symbol-通货标识timeframe-时间线period-周期ma_shift-移动平均线位移ma_method-移动平均线模式applied_price-应用价格类型shift-位移数AlligatorJawsBufferi=iMA(NULL,0,13,8,MODE_SMMA,PRICE_MEDIAN,i)；doubleiMAOnArray(doublearray,inttotal,int

39、period,intma_shift,intma_method,intshift)从数组中计算Movingaverageindicator的值:输入参数array-数组数据total-总数据数量period-周期ma_shift-移动平均线位移ma_method-移动平均线模式:输入参数symbol-通货标识:输入参数shift-位移数doublemacurrent=iMAOnArray(ExtBuffer,0,5,0,MODE_LWMA,0)；doublemacurrentslow=iMAOnArray(ExtBuffer,0,10,0,MODE_LWMA,0)；doublemaprev=i

40、MAOnArray(ExtBuffer,0,5,0,MODE_LWMA,1)；doublemaprevslow=iMAOnArray(ExtBuffer,0,10,0,MODE_LWMA,1)；/if(maprev=macurrentslow)Alert(crossingup)；doubleiOsMA(stringsymbol,inttimeframe,intfast_ema_period,intslow_ema_period,intsignal_period,intapplied_price,intshift)计算MovingAverageofOscillator的值:输入参数symbol-

41、通货标识timeframe-时间线fast_ema_period-快均线周期slow_ema_period-慢均线周期signal_period-信号周期applied_price-应用价格类型shift-位移数if(iOsMA(NULL,0,12,26,9,PRICE_OPEN,1)iOsMA(NULL,0,12,26,9,PRICE_OPEN,0)return(0);doubleiMACD(stringsymbol,inttimeframe,intfast_ema_period,intslow_ema_period,intsignal_period,intapplied_price,int

42、mode,intshift)计算Movingaveragesconvergence/divergence的值:输入参数symbol-通货标识timeframe-时间线fast_ema_period-快均线周期slow_ema_period-慢均线周期signal_period-信号周期applied_price-应用价格类型mode-来源模式，参见指标线分类枚举shift-位移数if(iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_MAIN,0)iMACD(NULL,0,12,26,9,PRICE_CLOSE,MODE_SIGNAL,0)return(0);doub

43、leiOBV(stringsymbol,inttimeframe,intapplied_price,intshift)计算OnBalanceVolumeindicator的值symbol-通货标识timeframe-时间线period-周期shift-位移数doubleval=iOBV(NULL,0,PRICE_CLOSE,1)；doubleiSAR(stringsymbol,inttimeframe,doublestep,doublemaximum,intshift)计算OnBalanceVolumeindicator的值:输入参数symbol-通货标识timeframe-时间线step-步

44、幅maximum-最大值shift-位移数if(iSAR(NULL,0,0.02,0.2,0)Close0)return(0)；doubleiRSI(stringsymbol,voidtimeframe,intperiod,intapplied_price,intshift)计算Relativestrengthindex的值:输入参数symbol-通货标识timeframe-时间线period-周期applied_price-应用价格类型shift-位移数if(iRSI(NULL,0,14,PRICE_CLOSE,0)iRSI(NULL,0,14,PRICE_CLOSE,1)return(0)

45、；doubleiRSIOnArray(doublearray,inttotal,intperiod,intshift)从数组中计算Relativestrengthindex的值:输入参数array-数组数据total-总数据数量period-周期shift-位移数if(iRSIOnBuffer(ExtBuffer,1000,14,0)iRSl(NULL,0,14,PRICE_CLOSE,1)return(0)；doubleiRVI(stringsymbol,inttimeframe,intperiod,intmode,intshift)计算RelativeVigorindex的值timefra

46、me-时间线period-周期mode-来源模式，参见指标线分类枚举shift-位移数doubleval=iRVI(NULL,0,10,MODE_MAIN,0)；doubleiStdDev(stringsymbol,inttimeframe,intma_period,intma_method,intma_shift,intapplied_price,intshift)计算StandardDeviationindicator的值:输入参数symbol-通货标识timeframe-时间线ma_period-移动平均线周期ma_method-移动平均线模式ma_shift-移动平均线位移applie

47、d_price-应用价格类型shift-位移数doubleval-iStdDev(NULL,0,10,MODE_EMA,0,PRICE_CLOSE,0)；doubleiStdDevOnArray(doublearray,inttotal,intma_period,intma_method,intma_shift,intshift)从数组中计算StandardDeviationindicator的值:输入参数array-数组数据total-总数据数量ma_period-移动平均线周期ma_method-移动平均线模式ma_shift-移动平均线位移shift-位移数doubleval=iStdD

48、evOnArray(ExtBuffer,100,10,MODE_EMA,0,0)；doubleiStochastic(stringsymbol,inttimeframe,int%Kperiod,int%Dperiod,intslowing,intmethod,intprice_field,intmode,intshift)计算Stochasticoscillator的值:输入参数symbol-通货标识timeframe-时间线%Kperiod-%K线周期%Dperiod-%D线周期slowing-减速量method-移动平均线种类price_field-价格领域参数:0-Low/Highor1

49、-Close/Close.mode-来源模式，参见指标线分类枚举shift-位移数if(iStochastic(NULL,0,5,3,3,MODE_SMA,0,MODE_MAIN,0)iStochastic(NULL,0,5,3,3,MODE_SMA,0,MODE_SIGNAL,0)return(0)；doubleiWPR(stringsymbol,inttimeframe,intperiod,intshift)计算LarryWilliamspercentrangeindicator的值:输入参数symbol-通货标识timeframe-时间线period-周期shift-位移数if(iWPR

50、(NULL,0,14,0)iWPR(NULL,0,14,1)return(0)；intiBars(stringsymbol,inttimeframe)返回制定图表的数据数:输入参数symbol-通货标识timeframe-时间线Print(BarcountontheEUROUSDsymbolwithPERIOD_H1is,iBars(EUROUSD,PERIOD_H1)；intiBarShift(stringsymbol,inttimeframe,datetimetime,boolexact=false)在制定图表中搜索数据:输入参数symbol-通货标识timeframe-时间线time-时

51、间exact-是否精确的datetimesome_time=D2004.03.2112:00;intshift=iBarShift(EUROUSD,PERIOD_M1,some_time);Print(shiftofbarwithopentime,TimeToStr(some_time),is,shift);doubleiClose(stringsymbol,inttimeframe,intshift)返回制定图表的收盘价timeframe-时间线shift-位移数Print(CurrentbarforUSDCHFHI：,iTime(USDCHF,PERIOD_H1,i),iOpen(USDC

52、HF,PERIOD_H1,i),iHigh(USDCHF,PERIOD_H1,i),iLow(USDCHF,PERIOD_H1,i),iClose(USDCHF,PERIOD_H1,i),iVolume(USDCHF,PERIOD_H1,i)；doubleiHigh(stringsymbol,inttimeframe,intshift)返回制定图表的最高价:输入参数symbol-通货标识timeframe-时间线shift-位移数Print(CurrentbarforUSDCHFH1：,iTime(USDCHF,PERIOD_H1,i),iOpen(USDCHF,PERIOD_H1,i),iH

53、igh(USDCHF,PERIOD_H1,i),iLow(USDCHF,PERIOD_H1,i),iClose(USDCHF,PERIOD_H1,i),iVolume(USDCHF,PERIOD_H1,i)；doubleiLow(stringsymbol,inttimeframe,intshift)返回制定图表的最低价:输入参数symbol-通货标识timeframe-时间线shift-位移数Print(CurrentbarforUSDCHFH1：,iTime(USDCHF,PERIOD_H1,i),iOpen(USDCHF,PERIOD_H1,i),iHigh(USDCHF,PERIOD_H

54、1,i),iLow(USDCHF,PERIOD_H1,i),iClose(USDCHF,PERIOD_H1,i),iVolume(USDCHF,PERIOD_H1,i)；doubleiOpen(stringsymbol,inttimeframe,intshift)返回制定图表的开盘价:输入参数symbol-通货标识timeframe-时间线shift-位移数Print(CurrentbarforUSDCHFH1：,iTime(USDCHF,PERIOD_H1,i),iOpen(USDCHF,PERIOD_H1,i),iHigh(USDCHF,PERIOD_H1,i),iLow(USDCHF,P

55、ERIOD_H1,i),iClose(USDCHF,PERIOD_H1,i),iVolume(USDCHF,PERIOD_H1,i)；datetimeiTime(stringsymbol,inttimeframe,intshift)返回制定图表的时间:输入参数symbol-通货标识timeframe-时间线shift-位移数Print(CurrentbarforUSDCHFHI：,iTime(USDCHF,PERIOD_H1,i),iOpen(USDCHF,PERIOD_H1,i),iHigh(USDCHF,PERIOD_H1,i),iLow(USDCHF,PERIOD_H1,i),iClos

56、e(USDCHF,PERIOD_H1,i),iVolume(USDCHF,PERIOD_H1,i)；doubleiVolume(stringsymbol,inttimeframe,intshift)返回制定图表的成交量：输入参数symbol-通货标识timeframe-时间线shift-位移数Print(CurrentbarforUSDCHFH1：,iTime(USDCHF,PERIOD_H1,i),iOpen(USDCHF,PERIOD_H1,i),iHigh(USDCHF,PERIOD_H1,i),iLow(USDCHF,PERIOD_H1,i),iClose(USDCHF,PERIOD_

57、H1,i),iVolume(USDCHF,PERIOD_H1,i)；intHighest(stringsymbol,inttimeframe,inttype,intcount=WHOLE_ARRAY,intstart=0)返回制定图表的某段数据的最高值：输入参数symbol-通货标识timeframe-时间线type-数据类型count-计算围start-开始点doubleval；/calculatingthehighestvalueintherangefrom5elementto25element/indicatorchartssymbolandindicatorchartstimefram

58、eval=HighHighest(NULL,0,MODE_HIGH,20,4);intLowest(stringsymbol,inttimeframe,inttype,intcount=WHOLE_ARRAY,intstart=0)返回制定图表的某段数据的最高值:输入参数timeframe-时间线type-数据类型count-计算围start-开始点doubleval=LowLowest(NULL,0,MODE_LOW,10,10)；交易函数TradingFunctionsintHistoryTotal()返回历史数据的数量/retrievinginfofromtradehistoryinti

59、,hstTotal=HistoryTotal();for(i=0;i75)OrderClose(order_id,1,Ask,3,Red);return(0);boolOrderCloseBy(intticket,intopposite,colorColor=CLR_NONE)对订单进行平仓操作。ticket-订单编号opposite-相对订单编号Color-标记颜色示例:if(iRSI(NULL,0,14,PRICE_CLOSE,0)75)OrderCloseBy(order_id,opposite_id)；return(0)；doubleOrderClosePrice()返回订单的平仓价示

60、例:if(OrderSelect(ticket,SELECT_BY_POS)=true)Print(Closepricefortheorder,ticket,=,OrderClosePrice()；elsePrint(OrderSelectfailederrorcodeis,GetLastError();datetimeOrderCloseTime()返回订单的平仓时间示例:if(OrderSelect(10,SELECT_BY_POS,MODE_HISTORY)=true)datetimectm=OrderOpenTime();if(ctm0)Print(Opentimefortheorde