MT4编程参考手册

1、TOC o 1-5 h z HYPERLINK l bookmark0 o Current Document MQL4Reference（MQL4参考）121、Basics（本原贝12 HYPERLINK l bookmark4 o Current Document 1、Syntax（语法）121-1-1、Comments（注释）131-1-2、Identifiers（标示符）131-1-3、Reservedwords（保留字）13 HYPERLINK l bookmark6 o Current Document 2、Datatypes（数据类型）141-2-1、Typecasting（类型扔

2、）141-2-2、Integerconstants（整数）141-2-3、Literalconstants（文字）151-2-4、Booleanconstants（布尔）151-2-5、Floating-pointnumberconstants（double）（浮点number）151-2-6、Stringconstants（排成）161-2-7、Colorconstants（颜色）161-2-8、Datetimeconstants（注明日期）16 HYPERLINK l bookmark8 o Current Document 3、Operations&Expressions（操作&表达）1

3、71-3-1、Expressions（表达式）171-3-2、Arithmeticaloperations（算术操作符）171-3-3、Assignmentoperation（分配操作符）181-3-4、Operationsofrelation（关系操作符）181-3-5、Booleanoperations（布尔操作符）181-3-6、Bitwiseoperations（）191-3-7、Otheroperations（其他操作）191-3-8、Precedencerules（优先规则）20 HYPERLINK l bookmark10 o Current Document 4、Operato

4、rs（操作员）211-4-1、Compoundoperator（复合操作）211-4-2、Expressionoperator（表达式操作）211-4-3、Breakoperator（打破操作）221-4-4、Continueoperator（继续操作）221-4-5、Returnoperator（返回操作）221-4-6、Conditionaloperatorif-else（条件操作女口果-否贝0）231-4-7、Switchoperator（开关操作）241-4-8、Cycleoperatorwhile（周期操作当时）241-4-9、Cycleoperatorfor（周期操作对于）25 H

5、YPERLINK l bookmark12 o Current Document 5、Functions（函数）251-5-1、Functioncall（函数之间的联系）261-5-2、Specialfunctions（特殊函数）27 HYPERLINK l bookmark14 o Current Document 6、Variables（变量）27双精度数字-带有浮点双精度数字。271-6-1、Localvariables（局部变量）281-6-2、Formalparameters（正式参数）281-6-3、Staticvariables（静态变量）291-6-4、Globalvariab

6、les（全局变量）291-6-5、Definingexternvariables（定义extern变量）301-6-6、Initializationofvariables（初始化变量）301-6-7、Externalfunctionsdefinition（外部函数（功能）定义）30 HYPERLINK l bookmark16 o Current Document 7、Preprocessor（预处理）311-7-1、Constantdeclaration（宣告）311-7-2、Controllingcompilation（控制编辑）311-7-3、Includingoffiles（包括文件）

7、321-7-4、Importingoffunctions（输入功能）33 HYPERLINK l bookmark18 o Current Document 2、Standardconstants（标准）34 HYPERLINK l bookmark20 o Current Document 1、Seriesarrays34 HYPERLINK l bookmark22 o Current Document 2、Timeframes34 HYPERLINK l bookmark24 o Current Document 3、Tradeoperations35 HYPERLINK l bookm

8、ark26 o Current Document 4、Priceconstants35 HYPERLINK l bookmark28 o Current Document 5、MarketInfo35 HYPERLINK l bookmark30 o Current Document 6、Drawingstyles36 HYPERLINK l bookmark32 o Current Document 7、Arrowcodes37 HYPERLINK l bookmark34 o Current Document 2-8、Wingdings38 HYPERLINK l bookmark36 o

9、 Current Document 2-9、Webcolors38 HYPERLINK l bookmark42 o Current Document 2-10、Indicatorlines39 HYPERLINK l bookmark40 o Current Document 2-11、IchimokuKinkoHyo40 HYPERLINK l bookmark44 o Current Document 2-12、MovingAveragemethods40 HYPERLINK l bookmark46 o Current Document 2-13、MessageBox40 HYPERL

10、INK l bookmark48 o Current Document 2-14、Objecttypes42 HYPERLINK l bookmark50 o Current Document 2-15、Objectproperties43 HYPERLINK l bookmark52 o Current Document 2-16、Objectvisibility44 HYPERLINK l bookmark54 o Current Document 2-17、Uninitializereasoncodes44 HYPERLINK l bookmark56 o Current Documen

11、t 2-18、Specialconstants45 HYPERLINK l bookmark58 o Current Document 19、Errorcodes45 HYPERLINK l bookmark60 o Current Document 3、Predefinedvariables48 HYPERLINK l bookmark62 o Current Document 1、Ask48 HYPERLINK l bookmark64 o Current Document 2、Bars49 HYPERLINK l bookmark66 o Current Document 3、Bid49

12、 HYPERLINK l bookmark68 o Current Document 4、Close49 HYPERLINK l bookmark70 o Current Document 5、Digits50 HYPERLINK l bookmark72 o Current Document 6、High50 HYPERLINK l bookmark74 o Current Document 7、Low51 HYPERLINK l bookmark76 o Current Document 3-8、Open51 HYPERLINK l bookmark78 o Current Documen

13、t 3-9、Point52 HYPERLINK l bookmark80 o Current Document 3-10、Time52 HYPERLINK l bookmark82 o Current Document 11、Volume53 HYPERLINK l bookmark84 o Current Document 4、PogramRun54 HYPERLINK l bookmark86 o Current Document 1、ProgramRun54 HYPERLINK l bookmark88 o Current Document 2、Importedfunctionscall

14、54 HYPERLINK l bookmark90 o Current Document 3、Runtimeerrors55 HYPERLINK l bookmark92 o Current Document 5、Accountinformation64 HYPERLINK l bookmark94 o Current Document 1、AccountBalance64 HYPERLINK l bookmark96 o Current Document 2、AccountCredit64 HYPERLINK l bookmark98 o Current Document 3、Account

15、Company64 HYPERLINK l bookmark100 o Current Document 4、AccountCurrency64 HYPERLINK l bookmark102 o Current Document 5、AccountEquity65 HYPERLINK l bookmark104 o Current Document 6、AccountFreeMargin65 HYPERLINK l bookmark106 o Current Document 7、AccountFreeMarginCheck65 HYPERLINK l bookmark108 o Curre

16、nt Document 8、AccountFreeMarginMode65 HYPERLINK l bookmark110 o Current Document 9、AccountLeverage66 HYPERLINK l bookmark112 o Current Document 10、AccountMargin66 HYPERLINK l bookmark114 o Current Document 11、AccountName66 HYPERLINK l bookmark116 o Current Document 12、AccountNumber66 HYPERLINK l boo

17、kmark118 o Current Document 13、AccountProfit66 HYPERLINK l bookmark120 o Current Document 5-14、AccountServer66 HYPERLINK l bookmark122 o Current Document 5-15、AccountStopoutLevel67 HYPERLINK l bookmark124 o Current Document 16、AccountStopoutMode67 HYPERLINK l bookmark126 o Current Document 6Arrayfun

18、ctions67 HYPERLINK l bookmark128 o Current Document 1、ArrayBsearch67 HYPERLINK l bookmark130 o Current Document 2、ArrayCopy68 HYPERLINK l bookmark132 o Current Document 3、ArrayCopyRates68 HYPERLINK l bookmark134 o Current Document 4、ArrayCopySeries69 HYPERLINK l bookmark136 o Current Document 5、Arra

19、yDimension70 HYPERLINK l bookmark138 o Current Document 6、ArrayGetAsSeries70 HYPERLINK l bookmark140 o Current Document 7、ArrayInitialize71 HYPERLINK l bookmark142 o Current Document 8、ArrayIsSeries71 HYPERLINK l bookmark144 o Current Document 9、ArrayMaximum71 HYPERLINK l bookmark146 o Current Docum

20、ent 10、ArrayMinimum72 HYPERLINK l bookmark148 o Current Document 11、ArrayRange72 HYPERLINK l bookmark150 o Current Document 12、ArrayResize72 HYPERLINK l bookmark152 o Current Document 13、ArraySetAsSeries72 HYPERLINK l bookmark154 o Current Document 6-14、ArraySize73 HYPERLINK l bookmark156 o Current

21、Document 15、ArraySort73 HYPERLINK l bookmark158 o Current Document 7、Checkup74 HYPERLINK l bookmark160 o Current Document 1、GetLastError74 HYPERLINK l bookmark162 o Current Document 2、IsConnected74 HYPERLINK l bookmark164 o Current Document 3、IsDemo74 HYPERLINK l bookmark166 o Current Document 4、IsD

22、llsAllowed75 HYPERLINK l bookmark168 o Current Document 5、IsExpertEnabled75 HYPERLINK l bookmark170 o Current Document 6、IsLibrariesAllowed75 HYPERLINK l bookmark172 o Current Document 7、IsOptimization76 HYPERLINK l bookmark174 o Current Document 8、IsStopped76 HYPERLINK l bookmark176 o Current Docum

23、ent 9、IsTesting76 HYPERLINK l bookmark178 o Current Document 10、IsTradeAllowed76 HYPERLINK l bookmark180 o Current Document 11、IsTradeContextBusy77 HYPERLINK l bookmark182 o Current Document 12、IsVisualMode77 HYPERLINK l bookmark184 o Current Document 13、UninitializeReason77 HYPERLINK l bookmark186

24、o Current Document 8、Clientterminal77 HYPERLINK l bookmark188 o Current Document 1、Terminalcompany78 HYPERLINK l bookmark190 o Current Document 2、TerminalName78 HYPERLINK l bookmark192 o Current Document 3、TerminalPath78 HYPERLINK l bookmark194 o Current Document 9、Commonfunctions789-1、9-1、Alert789-

25、1、9-1、Alert7811-13、11-13、SetLevelValue9211-13、11-13、SetLevelValue92 HYPERLINK l bookmark198 o Current Document 2、Comment79 HYPERLINK l bookmark200 o Current Document 3、GetTickCount79 HYPERLINK l bookmark202 o Current Document 4、MarketInfo79 HYPERLINK l bookmark204 o Current Document 9-5、MessageBox80

26、 HYPERLINK l bookmark206 o Current Document 9-6、PlaySound80 HYPERLINK l bookmark208 o Current Document 9-7、Print80 HYPERLINK l bookmark210 o Current Document 9-8、SendFTP81 HYPERLINK l bookmark212 o Current Document 9-9、SendMail81 HYPERLINK l bookmark214 o Current Document 9-10、Sleep81 HYPERLINK l bo

27、okmark216 o Current Document 10Conversionfunctions8210-1、CharToStr8210-2、DoubleToStr8210-3、NormalizeDouble8210-4、StrToDouble8310-5、StrToInteger8310-6、StrToTime8310-7、TimeToStr83、Customindicators8411-1、IndicatorBuffers8411-2、IndicatorCounted8511-3、IndicatorDigits8511-4、IndicatorShortName8611-5、SetInd

28、exArrow8711-6、SetIndexBuffer8711-7、SetIndexDrawBegin8811-8、SetIndexEmptyValue8811-9、SetIndexLabel89TOC o 1-5 h z HYPERLINK l bookmark252 o Current Document 10、SetIndexShift90 HYPERLINK l bookmark248 o Current Document 11、SetIndexStyle919112、SetLevelStyle91TOC o 1-5 h z HYPERLINK l bookmark260 o Curr

29、ent Document 12、Date&Timefunctions92 HYPERLINK l bookmark262 o Current Document 1、Day92 HYPERLINK l bookmark264 o Current Document 2、DayOfWeek_92 HYPERLINK l bookmark266 o Current Document 3、DayOfYea匚92 HYPERLINK l bookmark268 o Current Document 4、Hour93 HYPERLINK l bookmark270 o Current Document 5、

30、Minute93 HYPERLINK l bookmark272 o Current Document 6、Month93 HYPERLINK l bookmark274 o Current Document 7、Seconds93 HYPERLINK l bookmark276 o Current Document 8、TimeCurrent93 HYPERLINK l bookmark278 o Current Document 12-9、TimeDay94 HYPERLINK l bookmark280 o Current Document 12-10、TimeDayOfWeek94 H

31、YPERLINK l bookmark282 o Current Document 12-11、TimeDayOfYear94 HYPERLINK l bookmark284 o Current Document 12-12、TimeHour94 HYPERLINK l bookmark286 o Current Document 12-13、TimeLocal95 HYPERLINK l bookmark288 o Current Document 12-14、TimeMinute95 HYPERLINK l bookmark290 o Current Document 12-15、Time

32、Month95 HYPERLINK l bookmark292 o Current Document 12-16、TimeSeconds95 HYPERLINK l bookmark294 o Current Document 12-17、TimeYe叱95 HYPERLINK l bookmark296 o Current Document 18、Year9613、Filefunctions96 HYPERLINK l bookmark300 o Current Document 1、96 HYPERLINK l bookmark302 o Current Document 2、96 HYP

33、ERLINK l bookmark304 o Current Document 3、97 HYPERLINK l bookmark306 o Current Document 4、97 HYPERLINK l bookmark308 o Current Document 5、98 HYPERLINK l bookmark310 o Current Document 6、98 HYPERLINK l bookmark312 o Current Document 7、99 HYPERLINK l bookmark314 o Current Document 8、99 HYPERLINK l boo

34、kmark316 o Current Document 13-9、100 HYPERLINK l bookmark318 o Current Document 13-10、100 HYPERLINK l bookmark320 o Current Document 13-11、100 HYPERLINK l bookmark322 o Current Document 13-12、101 HYPERLINK l bookmark324 o Current Document 13-13、101 HYPERLINK l bookmark326 o Current Document 13-14、10

35、2 HYPERLINK l bookmark328 o Current Document 13-15、102 HYPERLINK l bookmark330 o Current Document 13-16、103 HYPERLINK l bookmark332 o Current Document 13-17、103 HYPERLINK l bookmark334 o Current Document 13-18、104 HYPERLINK l bookmark336 o Current Document 13-19、104 HYPERLINK l bookmark338 o Current

36、 Document 20、105 HYPERLINK l bookmark340 o Current Document 14、Globalvariables105 HYPERLINK l bookmark342 o Current Document 1、GlobalVariableCheck106 HYPERLINK l bookmark344 o Current Document 2、GlobalVariableDel106 HYPERLINK l bookmark346 o Current Document 3、GlobalVariableGet106 HYPERLINK l bookma

37、rk348 o Current Document 4、GlobalVariableName106 HYPERLINK l bookmark350 o Current Document 5、GlobalVariableSet107 HYPERLINK l bookmark352 o Current Document 6、GlobalVariableSetOnCondition107 HYPERLINK l bookmark354 o Current Document 7、GlobalVariablesDeleteAll108 HYPERLINK l bookmark356 o Current D

38、ocument 8、GlobalVariablesTotal108 HYPERLINK l bookmark358 o Current Document 15、Math&Trig108 HYPERLINK l bookmark360 o Current Document 1、MathAbs109 HYPERLINK l bookmark362 o Current Document 2、MathArccos109 HYPERLINK l bookmark364 o Current Document 3、MathArcsin109 HYPERLINK l bookmark366 o Current

39、 Document 4、MathArctan110 HYPERLINK l bookmark368 o Current Document 5、MathCeil110 HYPERLINK l bookmark370 o Current Document 6、MathCos110 HYPERLINK l bookmark372 o Current Document 7、MathExp111 HYPERLINK l bookmark374 o Current Document 8、MathFloor111 HYPERLINK l bookmark376 o Current Document 15-9

40、、MathLog111 HYPERLINK l bookmark378 o Current Document 15-10、MathMax11215-11、MathMin112 HYPERLINK l bookmark382 o Current Document 15-12、MathMod112 HYPERLINK l bookmark384 o Current Document 15-13、MathPow112 HYPERLINK l bookmark386 o Current Document 15-14、MathRand113 HYPERLINK l bookmark388 o Curre

41、nt Document 15-15、MathRound113 HYPERLINK l bookmark380 o Current Document 15-16、MathSin113 HYPERLINK l bookmark392 o Current Document 15-17、MathSqrt114 HYPERLINK l bookmark390 o Current Document 15-18、MathSrand114 HYPERLINK l bookmark396 o Current Document 19、MathTan114 HYPERLINK l bookmark398 o Cur

42、rent Document 16、Objectfunctions115 HYPERLINK l bookmark400 o Current Document 1、ObjectCreate115 HYPERLINK l bookmark402 o Current Document 2、ObjectDelete116 HYPERLINK l bookmark404 o Current Document 3、ObjectDescription116 HYPERLINK l bookmark406 o Current Document 4、ObjectFind117 HYPERLINK l bookm

43、ark408 o Current Document 5、ObjectGet117 HYPERLINK l bookmark410 o Current Document 6、ObjectGetFiboDescription117 HYPERLINK l bookmark412 o Current Document 7、ObjectGetShiftByValue118 HYPERLINK l bookmark414 o Current Document 8、ObjectGetValueByShi118 HYPERLINK l bookmark416 o Current Document 16-9、

44、ObjectMove118 HYPERLINK l bookmark418 o Current Document 16-10、ObjectName11816-11、 HYPERLINK l bookmark420 o Current Document ObjectsDeleteAll119 HYPERLINK l bookmark422 o Current Document 16-12、ObjectSet119 HYPERLINK l bookmark424 o Current Document 16-13、ObjectSetFiboDescription120 HYPERLINK l boo

45、kmark426 o Current Document 16-14、ObjectSetText120 HYPERLINK l bookmark428 o Current Document 16-15、ObjectsTotal120 HYPERLINK l bookmark430 o Current Document 16、ObjectType121 HYPERLINK l bookmark432 o Current Document 17、Stringfunctions121 HYPERLINK l bookmark434 o Current Document 1、StringConcaten

46、ate121 HYPERLINK l bookmark436 o Current Document 2、StringFind121 HYPERLINK l bookmark438 o Current Document 3、StringGetChar122 HYPERLINK l bookmark440 o Current Document 4、StringLen122 HYPERLINK l bookmark442 o Current Document 5、StringSetChar122 HYPERLINK l bookmark444 o Current Document 6、StringS

47、ubstr123 HYPERLINK l bookmark446 o Current Document 7、StringTrimLeft123 HYPERLINK l bookmark448 o Current Document 8、StringTrimRight123 HYPERLINK l bookmark450 o Current Document 18、Technicalindicators123 HYPERLINK l bookmark452 o Current Document 1、iAC124 HYPERLINK l bookmark454 o Current Document

48、2、iAD124 HYPERLINK l bookmark456 o Current Document 3、iAlligator124 HYPERLINK l bookmark458 o Current Document 4、iADX125 HYPERLINK l bookmark460 o Current Document 5、iATR125 HYPERLINK l bookmark462 o Current Document 6、iAO125 HYPERLINK l bookmark464 o Current Document 7、iBearsPower126 HYPERLINK l bo

49、okmark466 o Current Document 8、iBands126 HYPERLINK l bookmark468 o Current Document 9、iBandsOnArray126 HYPERLINK l bookmark470 o Current Document 10、iBullsPower127 HYPERLINK l bookmark472 o Current Document 18-11、iCCI127 HYPERLINK l bookmark474 o Current Document 18-12、iCCIOnArray127 HYPERLINK l boo

50、kmark476 o Current Document 18-13、iCustom128 HYPERLINK l bookmark478 o Current Document 18-14、iDeMarker128 HYPERLINK l bookmark480 o Current Document 18-15、iEnvelopes128 HYPERLINK l bookmark482 o Current Document 18-16、iEnvelopesOnArray129 HYPERLINK l bookmark484 o Current Document 18-17、iForce129 H

51、YPERLINK l bookmark486 o Current Document 18-18、iFractals130 HYPERLINK l bookmark488 o Current Document 18-19、iGator130 HYPERLINK l bookmark490 o Current Document 18-20、iIchimoku130 HYPERLINK l bookmark492 o Current Document 18-21、iBWMFI131 HYPERLINK l bookmark494 o Current Document 18-22、iMomentum1

52、31 HYPERLINK l bookmark496 o Current Document 18-23、iMomentumOnArray131 HYPERLINK l bookmark498 o Current Document 18-24、iMFI132 HYPERLINK l bookmark500 o Current Document 18-25、iMA132 HYPERLINK l bookmark502 o Current Document 18-26、iMAOnArray132 HYPERLINK l bookmark504 o Current Document 18-27、iOs

53、MA133 HYPERLINK l bookmark506 o Current Document 18-28、iMACD133 HYPERLINK l bookmark508 o Current Document 18-29、iOBV134 HYPERLINK l bookmark510 o Current Document 18-30、iSAR134 HYPERLINK l bookmark512 o Current Document 18-31、iRSI134 HYPERLINK l bookmark514 o Current Document 18-32、iRSIOnArray135 H

54、YPERLINK l bookmark516 o Current Document 18-33、iRVI135 HYPERLINK l bookmark518 o Current Document 18-34、iStdDev135 HYPERLINK l bookmark520 o Current Document 18-35、iStdDevOnArray136 HYPERLINK l bookmark522 o Current Document 18-36、iStochastic136 HYPERLINK l bookmark524 o Current Document 37、iWPR137

55、 HYPERLINK l bookmark526 o Current Document 19、Timeseriesaccess137 HYPERLINK l bookmark528 o Current Document 1、iBars137 HYPERLINK l bookmark530 o Current Document 2、iBarShift137 HYPERLINK l bookmark532 o Current Document 3、iClose138 HYPERLINK l bookmark534 o Current Document 4、iHigh138 HYPERLINK l

56、bookmark536 o Current Document 5、iHighest138 HYPERLINK l bookmark538 o Current Document 6、iLow139 HYPERLINK l bookmark540 o Current Document 7、iLowest139 HYPERLINK l bookmark542 o Current Document 8、iOpen139 HYPERLINK l bookmark544 o Current Document 9、iTime140 HYPERLINK l bookmark546 o Current Docu

57、ment 10、iVolume140 HYPERLINK l bookmark548 o Current Document 20、Tradingfunctions140 HYPERLINK l bookmark550 o Current Document 1、Executionerrors141 HYPERLINK l bookmark552 o Current Document 2、OrderClose143 HYPERLINK l bookmark554 o Current Document 3、OrderCloseBy143 HYPERLINK l bookmark556 o Curre

58、nt Document 4、OrderClosePrice144 HYPERLINK l bookmark558 o Current Document 5、OrderCloseTime144 HYPERLINK l bookmark560 o Current Document 6、OrderComment144 HYPERLINK l bookmark562 o Current Document 7、OrderCommission145 HYPERLINK l bookmark564 o Current Document 8、OrderDelete145 HYPERLINK l bookmar

59、k566 o Current Document 9、OrderExpiration145 HYPERLINK l bookmark568 o Current Document 10、OrderLots145 HYPERLINK l bookmark570 o Current Document 20-11、OrderMagicNumber146 HYPERLINK l bookmark572 o Current Document 20-12、OrderModify146 HYPERLINK l bookmark574 o Current Document 20-13、OrderOpenPrice

60、147 HYPERLINK l bookmark576 o Current Document 20-14、OrderOpenTime147 HYPERLINK l bookmark578 o Current Document 20-15、OrderPrint147 HYPERLINK l bookmark580 o Current Document 20-16、OrderProfit147 HYPERLINK l bookmark582 o Current Document 20-17、OrderSelect148 HYPERLINK l bookmark584 o Current Docum