MQL4/MQL5 函数变化对照表（mt5/mt4对比）

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MQL4/MQL5 函数变化对照表

MQL4	MQL5
Ask	SymbolInfoDouble(Symbol(),SYMBOL_ASK);
Bid	SymbolInfoDouble(Symbol(),SYMBOL_BID);
Bars	Bars(Symbol(),PERIOD_CURRENT);
Digits	_Digits or Digits()
Point	_Point or Point()
Close[] High[] Low[] Open[] Time[] Volume[]	int OnCalculate(const int rates_total, const int prev_calculated, const datetime &Time[], const double &Open[], const double &High[], const double &Low[], const double &Close[], const long &Volume[], const long &Real_Volume[], const int &Spread[]) { ArraySetAsSeries(Open,true); ArraySetAsSeries(High,true); ArraySetAsSeries(Low,true); ArraySetAsSeries(Close,true); ArraySetAsSeries(Time,true); ArraySetAsSeries(Volume,true); ArraySetAsSeries(Spread,true);
	in EA/script use CopyClose,CopyHigh,CopyLow,CopyOpen,CopyTime, CopyTickVolume
AccountBalance()	AccountInfoDouble(ACCOUNT_BALANCE);
AccountCredit()	AccountInfoDouble(ACCOUNT_CREDIT);
AccountCompany()	AccountInfoString(ACCOUNT_COMPANY);
AccountCurrency()	AccountInfoString(ACCOUNT_CURRENCY);
AccountEquity()	AccountInfoDouble(ACCOUNT_EQUITY);
AccountFreeMargin()	AccountInfoDouble(ACCOUNT_FREEMARGIN);
AccountFreeMarginCheck()	read AccountFreeMarginCheck
AccountFreeMarginMode()	???
AccountLeverage()	AccountInfoInteger(ACCOUNT_LEVERAGE);
AccountMargin()	AccountInfoDouble(ACCOUNT_MARGIN);
AccountName()	AccountInfoString(ACCOUNT_NAME);
AccountNumber()	AccountInfoInteger(ACCOUNT_LOGIN);
AccountProfit()	AccountInfoDouble(ACCOUNT_PROFIT);
AccountServer()	AccountInfoString(ACCOUNT_SERVER);
AccountStopoutLevel()	AccountInfoDouble(ACCOUNT_MARGIN_SO_SO);
AccountStopoutMode()	AccountInfoInteger(ACCOUNT_MARGIN_SO_MODE);
ArrayBsearch()	read ArrayBsearch
ArrayCopyRates()	read CopyRates
ArrayCopySeries()	read CopyClose/CopyHigh/CopyLow/CopyOpen/CopyTickVolume/CopyTime
ArrayDimension()	????
ArraySort()	// MQL4 ArraySort(SortInt, 0, 0, MODE_ASCEND); ArraySort(SortInt); //MQL4 ArraySort(SortInt, 0, 0, MODE_DESCEND); ArraySetAsSeries(SortInt,true); ArraySort(SortInt);
GetLastError()	you need to call ResetLastError() before use.
IsConnected()	(bool)TerminalInfoInteger(TERMINAL_CONNECTED)??
IsDemo()	bool IsDemo(){ ENUM_ACCOUNT_TRADE_MODE tradeMode=(ENUM_ACCOUNT_TRADE_MODE)AccountInfoInteger(ACCOUNT_TRADE_MODE); if(tradeMode == ACCOUNT_TRADE_MODE_DEMO) return(true); // tradeMode is ACCOUNT_TRADE_MODE_CONTEST or ACCOUNT_TRADE_MODE_REAL return(false); }
IsDllsAllowed() IsLibrariesAllowed()	(bool)MQL5InfoInteger(MQL5_DLLS_ALLOWED)???
IsOptimization()	(bool)MQL5InfoInteger(MQL5_OPTIMIZATION)???
IsTesting()	(bool)MQL5InfoInteger(MQL5_TESTING)???
IsTradeAllowed()	(bool)MQL5InfoInteger(MQL5_TRADE_ALLOWED) && (bool)TerminalInfoInteger(TERMINAL_TRADE_ALLOWED)??
IsExpertEnabled()	(bool)TerminalInfoInteger(TERMINAL_EXPERTS_ENABLED)??
IsTradeContextBusy()	LOST????
IsVisualMode()	(bool)MQL5InfoInteger(MQL5_VISUAL_MODE)???
UninitializeReason()	_UninitReason
TerminalCompany()	TerminalInfoString(TERMINAL_COMPANY)
TerminalName()	TerminalInfoString(TERMINAL_NAME)
TerminalPath()	TerminalInfoString(TERMINAL_PATH) TerminalInfoString(TERMINAL_DATA_PATH) TerminalInfoString(TERMINAL_COMMONDATA_PATH)
Alert()	LOST????
MarketInfo()	read SymbolInfoInteger/Double/String
CharToStr()	CharToString()
DoubleToStr()	DoubleToString()
StrToDouble()	StringToDouble()
StrToInteger()	StringToInteger()
StrToTime()	StringToTime()
TimeToStr()	TimeToString()
IndicatorBuffers()	#property indicator_buffers 7 #property indicator_plots 7
IndicatorCounted()	const int prev_calculated
IndicatorDigits()	IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
IndicatorShortName()	IndicatorSetString(INDICATOR_SHORTNAME,name);
SetIndexArrow()	PlotIndexSetInteger(0,PLOT_ARROW,213);
SetIndexBuffer()	SetIndexBuffer(0,MABuffer,INDICATOR_DATA); // or INDICATOR_CALCULATIONS
SetIndexDrawBegin()	PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,KPeriod);
SetIndexEmptyValue()	PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0);
SetIndexLabel()	PlotIndexSetString(0,PLOT_LABEL,"Moving Average");
SetIndexShift()	PlotIndexSetInteger(0,PLOT_SHIFT,26);
SetIndexStyle()	PlotIndexSetInteger(0,PLOT_LINE_STYLE,STYLE_SOLID); PlotIndexSetInteger(0,PLOT_LINE_WIDTH,2); PlotIndexSetInteger(0,PLOT_LINE_COLOR,DeepPink);
SetLevelStyle()	IndicatorSetInteger(INDICATOR_LEVELSTYLE,STYLE_DOT);
SetLevelValue()	IndicatorSetInteger(INDICATOR_LEVELS,2); IndicatorSetDouble(INDICATOR_LEVELVALUE,0,20); IndicatorSetDouble(INDICATOR_LEVELVALUE,1,80);
Day() DayOfWeek() DayOfYear() Hour() Minute() Month() Seconds() Year()	MqlDateTime tm; TimeCurrent(tm); int Day=tm.day; int DayOfWeek=tm.day_of_week; int DayOfYear=tm.day_of_year; int Hour=tm.hour; int Minute=tm.min; int Seconds=tm.sec; int Year=tm.year;
TimeDay() TimeDayOfWeek() TimeDayOfYear() TimeHour() TimeMinute() TimeMonth() TimeSeconds() TimeYear()	datetime TargetTime = D'2003.12.31'; MqlDateTime tm; TimeToStruct(TargetTime,tm); int Day=tm.day; int DayOfWeek=tm.day_of_week; int DayOfYear=tm.day_of_year; int Hour=tm.hour; int Minute=tm.min; int Seconds=tm.sec; int Year=tm.year;
FileOpenHistory()	LOST????
FileSeek()	read FileSeek
ObjectCreate()	ObjectCreate(0,…
ObjectDelete()	ObjectDelete(0,name);
ObjectDescription()	ObjectGetString(0,name,OBJPROP_TEXT);
ObjectFind()	ObjectFind(0,name);
ObjectGet()	read ObjectGetIngeger/Double/String
ObjectGetFiboDescription()	ObjectGetString(0,name,OBJPROP_LEVELTEXT,int level);
ObjectGetShiftByValue()	ObjectGetTimeByValue(0,string name,double value,int line_id);
ObjectGetValueByShift()	ObjectGetValueByTime(0,string name,datetime time, int line_id);
ObjectMove()	ObjectMove(0, string name, int point, datetime time1, double price1)
ObjectName()	ObjectName(0,int pos,int nwin=-1,int type=-1);
ObjectsDeleteAll()	ObjectsDeleteAll(0,int window=EMPTY, int type=EMPTY)
ObjectSet()	read ObjectSetIngeger/Double/String
ObjectSetFiboDescription()	ObjectSetString(0,string name,OBJPROP_LEVELTEXT,int level,string newstring);
ObjectSetText()	ObjectSetString(0,string name,OBJPROP_LEVELTEXT,string newstring);
ObjectsTotal()	ObjectsTotal(0,int nwin=-1,int type=-1);
ObjectType()	ObjectGetInteger(0,name,OBJPROP_TYPE);
StringConcatenate()	int StringConcatenate(string& string_var,void arg1,void arg2....);
StringGetChar()	StringGetCharacter()
StringSetChar()	StringSetCharacter()
iBars()	Bars()
iBarShift() iClose() iHigh() iHighest() iLow() iLowest() iOpen() iTime() iVolume()	use mt4timeseries.mqh ()
iTime()	datetime iTime(string symbol,ENUM_TIMEFRAMES timeframe,int index) { datetime Times[]; datetime tm=0; ArraySetAsSeries(Times,true); int copied=CopyTime(symbol,timeframe,0,Bars(symbol,timeframe),Times); if(copied>0 && index<copied) tm=Times[index]; return(tm); }// My Simple code..
HideTestIndicators()	LOST????
Period()	PeriodSeconds(Period())/60
RefreshRates()	LOST????
WindowBarsPerChart()	ChartGetInteger(0,CHART_VISIBLE_BARS)
WindowExpertName()	MQL5InfoString(MQL5_PROGRAM_NAME)???
WindowFind()
WindowFirstVisibleBar()	ChartGetInteger(0,CHART_FIRST_VISIBLE_BAR)
WindowHandle()	*ChartGetInteger(0,CHART_WINDOW_HANDLE)
WindowIsVisible()	ChartGetInteger(0,CHART_WINDOW_IS_VISIBLE)
WindowOnDropped()	ChartWindowOnDropped()
WindowPriceMax()	ChartGetDouble(0,CHART_PRICE_MIN,0);
WindowPriceMin()	ChartGetDouble(0,CHART_PRICE_MAX,0);
WindowPriceOnDropped()	ChartPriceOnDropped()
WindowRedraw()	ChartRedraw()
WindowScreenShot()	read ChartScreenShot
WindowTimeOnDropped()	ChartTimeOnDropped()
WindowsTotal()	ChartGetInteger(0,CHART_WINDOWS_TOTAL)
WindowXOnDropped()	ChartXOnDropped()
WindowYOnDropped()	ChartYOnDropped()

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