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MQL4/MQL5 函數變化對照表
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[] int OnCalculate(const int rates_total,
High[] const int prev_calculated,
Low[] const datetime &Time[],
Open[] const double &Open[],
Time[] const double &High[],
Volume[] 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() Alert()
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() MqlDateTime tm;
DayOfWeek() TimeCurrent(tm);
DayOfYear() int Day=tm.day;
Hour() int DayOfWeek=tm.day_of_week;
Minute() int DayOfYear=tm.day_of_year;
Month() int Hour=tm.hour;
Seconds() int Minute=tm.min;
Year() int Seconds=tm.sec;
int Year=tm.year;
TimeDay() datetime TargetTime = D'2003.12.31';
TimeDayOfWeek() MqlDateTime tm;
TimeDayOfYear() TimeToStruct(TargetTime,tm);
TimeHour() int Day=tm.day;
TimeMinute() int DayOfWeek=tm.day_of_week;
TimeMonth() int DayOfYear=tm.day_of_year;
TimeSeconds() int Hour=tm.hour;
TimeYear() 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() use mt4timeseries.mqh
iHigh()
iHighest()
iLow()
iLowest()
iOpen()
iTime()
iVolume()
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()
Period() PeriodSeconds(Period())/60
RefreshRates()
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()
