MQL5 NeuroBook

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MQL5 Reference

Language Basics

Syntax

Comments

Identifiers

Reserved Words

Data Types

Integer Types

Char, Short, Int and Long Types

Character Constants

Datetime Type

Color Type

Bool Type

Enumerations

Real Types (double, float)

Complex number (complex)

String Type

Structures, Classes and Interfaces

Dynamic Array Object

Matrices and vectors

Typecasting

Void Type and NULL Constant

User-defined types

Object Pointers

References: Modifier & and Keyword this

Operations and Expressions

Expressions

Arithmetic Operations

Assignment Operations

Operations of Relation

Boolean Operations

Bitwise Operations

Other operations

Precedence Rules

Operators

Compound Operator

Expression Operator

Return Operator

If-Else Conditional Operator

Ternary Operator ?:

Switch Operator

While Loop Operator

For Loop Operator

Loop Operator do while

Break Operator

Continue Operator

Object Create Operator new

Object Delete Operator delete

Function

Function Call

Passing Parameters

Function Overloading

Operation Overloading

Description of External Functions

Exporting Functions

Event Handling Functions

Variables

Local Variables

Formal Parameters

Static Variables

Global Variables

Input Variables

Extern Variables

Initialization of Variables

Visibility Scope and Lifetime of Variables

Creating and Deleting Objects

Preprocessor

Macro substitution (#define)

Program Properties (#property)

Including Files (#include)

Importing Function (#import)

Conditional Compilation (#ifdef, #ifndef, #else, #endif)

Object-Oriented Programming

Encapsulation and Extensibility of Types

Inheritance

Polymorphism

Overload

Virtual Functions

Static members of a Class/Structure

Function templates

Template advantages

Abstract Classes and Pure Virtual Functions

Namespace

Constants, Enumerations and Structures

Chart Constants

Types of Chart Events

Chart Timeframes

Chart Properties

Positioning Constants

Chart Representation

Examples of Working with the Chart

Object Constants

Object Types

OBJ_VLINE

OBJ_HLINE

OBJ_TREND

OBJ_TRENDBYANGLE

OBJ_CYCLES

OBJ_ARROWED_LINE

OBJ_CHANNEL

OBJ_STDDEVCHANNEL

OBJ_REGRESSION

OBJ_PITCHFORK

OBJ_GANNLINE

OBJ_GANNFAN

OBJ_GANNGRID

OBJ_FIBO

OBJ_FIBOTIMES

OBJ_FIBOFAN

OBJ_FIBOARC

OBJ_FIBOCHANNEL

OBJ_EXPANSION

OBJ_ELLIOTWAVE5

OBJ_ELLIOTWAVE3

OBJ_RECTANGLE

OBJ_TRIANGLE

OBJ_ELLIPSE

OBJ_ARROW_THUMB_UP

OBJ_ARROW_THUMB_DOWN

OBJ_ARROW_UP

OBJ_ARROW_DOWN

OBJ_ARROW_STOP

OBJ_ARROW_CHECK

OBJ_ARROW_LEFT_PRICE

OBJ_ARROW_RIGHT_PRICE

OBJ_ARROW_BUY

OBJ_ARROW_SELL

OBJ_ARROW

OBJ_TEXT

OBJ_LABEL

OBJ_BUTTON

OBJ_CHART

OBJ_BITMAP

OBJ_BITMAP_LABEL

OBJ_EDIT

OBJ_EVENT

OBJ_RECTANGLE_LABEL

Object Properties

Methods of Object Binding

The Chart Corner to Which an Object Is Attached

Visibility of Objects

Levels of Elliott Wave

Gann Objects

Web Colors

Wingdings

Indicator Constants

Price Constants

Smoothing Methods

Indicators Lines

Drawing Styles

Custom Indicators Properties

Types of Technical Indicators

Data Type Identifiers

Environment State

Client Terminal Properties

Running MQL5 Program Properties

Symbol Properties

Account Properties

Testing Statistics

Trade Constants

History Database Properties

Order Properties

Position Properties

Deal Properties

Trade Operation Types

Trade Transaction Types

Trade Orders in Depth Of Market

Signal Properties

Named Constants

Predefined Macro Substitutions

Mathematical Constants

Numerical Type Constants

Uninitialization Reason Codes

Checking Object Pointer

Other Constants

Data Structures

Date Type Structure

Indicator Parameter Structure

History Data Structure

Order Book Structure

Trade Request Structure

Request Check Result Structure

Trade Request Result Structure

Trade Transaction Structure

Price Data Structure

Economic Calendar structures

Codes of Errors and Warnings

Trade Server Return Codes

Compiler Warnings

Compilation Errors

Runtime Errors

Input and Output Constants

File Opening Flags

File Properties

In-File Position

Use of a Codepage

MessageBox

MQL5 Programs

Program Running

Trade Permission

Client Terminal Events

Call of Imported Functions

Runtime Errors

Testing Trading Strategies

Predefined Variables

_AppliedTo

_Digits

_Point

_LastError

_Period

_RandomSeed

_StopFlag

_UninitReason

_IsX64

Common Functions

Alert

CheckPointer

Comment

CryptEncode

CryptDecode

DebugBreak

ExpertRemove

GetPointer

GetTickCount

GetTickCount64

GetMicrosecondCount

MessageBox

PeriodSeconds

PlaySound

Print

PrintFormat

ResetLastError

ResourceCreate

ResourceFree

ResourceReadImage

ResourceSave

SetReturnError

SetUserError

Sleep

TerminalClose

TesterHideIndicators

TesterStatistics

TesterStop

TesterDeposit

TesterWithdrawal

TranslateKey

ZeroMemory

Array Functions

ArrayBsearch

ArrayCopy

ArrayCompare

ArrayFree

ArrayGetAsSeries

ArrayInitialize

ArrayFill

ArrayIsDynamic

ArrayIsSeries

ArrayMaximum

ArrayMinimum

ArrayPrint

ArrayRange

ArrayResize

ArrayInsert

ArrayRemove

ArrayReverse

ArraySetAsSeries

ArraySize

ArraySwap

ArrayToFP16

ArrayToFP8

ArrayFromFP16

ArrayFromFP8

Matrices and vectors

Matrix and Vector Types

Enumerations

Initialization

Assign

CopyIndicatorBuffer

CopyRates

CopyTicks

CopyTicksRange

Eye

Identity

Ones

Zeros

Full

Tri

Init

Fill

Manipulations

HasNan

Transpose

TriL

TriU

Diag

Row

Col

Copy

Compare

CompareByDigits

Flat

Clip

Reshape

Resize

Set

SwapRows

SwapCols

Split

Hsplit

Vsplit

ArgSort

Sort

Operations

Mathematical operations

Mathematical functions

Products

MatMul

GeMM

Power

Dot

Kron

Inner

Outer

CorrCoef

Cov

Correlate

Convolve

Transformations

Cholesky

Eig

EigVals

LU

LUP

QR

SVD

Statistical

ArgMax

ArgMin

Max

Min

Ptp

Sum

Prod

CumSum

CumProd

Percentile

Quantile

Median

Mean

Average

Std

Var

LinearRegression

Feature methods

Rows

Cols

Size

Norm

Cond

Det

SLogDet

Rank

Trace

Spectrum

Solutions

Solve

LstSq

Inv

PInv

Machine learning

Activation

Derivative

Loss

LossGradient

RegressionMetric

ConfusionMatrix

ConfusionMatrixMultilabel

ClassificationMetric

ClassificationScore

PrecisionRecall

ReceiverOperatingCharacteristic

Conversion Functions

CharToString

CharArrayToString

CharArrayToStruct

StructToCharArray

ColorToARGB

ColorToString

DoubleToString

EnumToString

IntegerToString

ShortToString

ShortArrayToString

TimeToString

NormalizeDouble

StringToCharArray

StringToColor

StringToDouble

StringToInteger

StringToShortArray

StringToTime

StringFormat

Math Functions

MathAbs

MathArccos

MathArcsin

MathArctan

MathArctan2

MathClassify

MathCeil

MathCos

MathExp

MathFloor

MathLog

MathLog10

MathMax

MathMin

MathMod

MathPow

MathRand

MathRound

MathSin

MathSqrt

MathSrand

MathTan

MathIsValidNumber

MathExpm1

MathLog1p

MathArccosh

MathArcsinh

MathArctanh

MathCosh

MathSinh

MathTanh

MathSwap

String Functions

StringAdd

StringBufferLen

StringCompare

StringConcatenate

StringFill

StringFind

StringGetCharacter

StringInit

StringLen

StringSetLength

StringReplace

StringReserve

StringSetCharacter

StringSplit

StringSubstr

StringToLower

StringToUpper

StringTrimLeft

StringTrimRight

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