List of MQL4 Constants
List of MQL4 Constants
All MQL4 constants in alphabetical order.
| Constant | Description | Usage |
|---|---|---|
| __DATE__ | File compilation date without time (hours, minutes and seconds are equal to 0) | Predefined Macro Substitutions |
| __DATETIME__ | File compilation date and time | Predefined Macro Substitutions |
| __FILE__ | Name of the currently compiled file | Predefined Macro Substitutions |
| __FUNCSIG__ | Signature of the function in whose body the macro is located. Logging of the full description of functions can be useful in the identification of overloaded functions | Predefined Macro Substitutions |
| __FUNCTION__ | Name of the function, in whose body the macro is located | Predefined Macro Substitutions |
| __LINE__ | Line number in the source code, in which the macro is located | Predefined Macro Substitutions |
| __MQLBUILD__, __MQL4BUILD__ | Compiler build number | Predefined Macro Substitutions |
| __PATH__ | An absolute path to the file that is currently being compiled | Predefined Macro Substitutions |
| ACCOUNT_BALANCE | Account balance in the deposit currency | AccountInfoDouble |
| ACCOUNT_COMPANY | Name of a company that serves the account | AccountInfoString |
| ACCOUNT_CREDIT | Account credit in the deposit currency | AccountInfoDouble |
| ACCOUNT_CURRENCY | Account currency | AccountInfoString |
| ACCOUNT_EQUITY | Account equity in the deposit currency | AccountInfoDouble |
| ACCOUNT_MARGIN_FREE | Free margin of an account in the deposit currency | AccountInfoDouble |
| ACCOUNT_LEVERAGE | Account leverage | AccountInfoInteger |
| ACCOUNT_LIMIT_ORDERS | Maximum allowed number of active pending orders (0-unlimited) | AccountInfoInteger |
| ACCOUNT_LOGIN | Account number | AccountInfoInteger |
| ACCOUNT_MARGIN | Account margin used in the deposit currency | AccountInfoDouble |
| ACCOUNT_MARGIN_LEVEL | Account margin level in percents | AccountInfoDouble |
| ACCOUNT_MARGIN_SO_CALL | Margin call level. Depending on the set ACCOUNT_MARGIN_SO_MODE is expressed in percents or in the deposit currency | AccountInfoDouble |
| ACCOUNT_MARGIN_SO_MODE | Mode for setting the minimal allowed margin | AccountInfoInteger |
| ACCOUNT_MARGIN_SO_SO | Margin stop out level. Depending on the set ACCOUNT_MARGIN_SO_MODE is expressed in percents or in the deposit currency | AccountInfoDouble |
| ACCOUNT_NAME | Client name | AccountInfoString |
| ACCOUNT_PROFIT | Current profit of an account in the deposit currency | AccountInfoDouble |
| ACCOUNT_SERVER | Trade server name | AccountInfoString |
| ACCOUNT_STOPOUT_MODE_MONEY | Account stop out mode in money | AccountInfoInteger |
| ACCOUNT_STOPOUT_MODE_PERCENT | Account stop out mode in percents | AccountInfoInteger |
| ACCOUNT_TRADE_ALLOWED | Allowed trade for the current account | AccountInfoInteger |
| ACCOUNT_TRADE_EXPERT | Allowed trade for an Expert Advisor | AccountInfoInteger |
| ACCOUNT_TRADE_MODE | Account trade mode | AccountInfoInteger |
| ACCOUNT_TRADE_MODE_CONTEST | Contest account | AccountInfoInteger |
| ACCOUNT_TRADE_MODE_DEMO | Demo account | AccountInfoInteger |
| ACCOUNT_TRADE_MODE_REAL | Real account | AccountInfoInteger |
| ALIGN_CENTER | Centered (only for the Edit object) | ObjectGetInteger, ObjectSetInteger, ChartScreenShot |
| ALIGN_LEFT | Left alignment | ObjectGetInteger, ObjectSetInteger, ChartScreenShot |
| ALIGN_RIGHT | Right alignment | ObjectGetInteger, ObjectSetInteger, ChartScreenShot |
| ANCHOR_BOTTOM | Anchor on the bottom side | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_CENTER | Anchor point strictly in the center of the object | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_LEFT | Anchor point to the left in the center | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_LEFT_LOWER | Anchor point at the lower left corner | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_LEFT_UPPER | Anchor point at the upper left corner | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_LOWER | Anchor point below in the center | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_RIGHT | Anchor point to the right in the center | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_RIGHT_LOWER | Anchor point at the lower right corner | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_RIGHT_UPPER | Anchor point at the upper right corner | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_TOP | Anchor on the top side | ObjectGetInteger, ObjectSetInteger |
| ANCHOR_UPPER | Anchor point above in the center | ObjectGetInteger, ObjectSetInteger |
| BORDER_FLAT | Flat form | ObjectGetInteger, ObjectSetInteger |
| BORDER_RAISED | Prominent form | ObjectGetInteger, ObjectSetInteger |
| BORDER_SUNKEN | Concave form | ObjectGetInteger, ObjectSetInteger |
| CHAR_MAX | Maximal value, which can be represented by char type | Numerical Type Constants |
| CHAR_MIN | Minimal value, which can be represented by char type | Numerical Type Constants |
| CHART_AUTOSCROLL | Mode of automatic moving to the right border of the chart | ChartSetInteger, ChartGetInteger |
| CHART_BARS | Display as a sequence of bars | ChartSetInteger |
| CHART_BEGIN | Chart beginning (the oldest prices) | ChartNavigate |
| CHART_BRING_TO_TOP | Show chart on top of other charts | ChartSetInteger, ChartGetInteger |
| CHART_CANDLES | Display as Japanese candlesticks | ChartSetInteger |
| CHART_COLOR_ASK | Ask price level color | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_BACKGROUND | Chart background color | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_BID | Bid price level color | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_CANDLE_BEAR | Body color of a bear candlestick | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_CANDLE_BULL | Body color of a bull candlestick | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_CHART_DOWN | Color for the down bar, shadows and body borders of bear candlesticks | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_CHART_LINE | Line chart color and color of “Doji” Japanese candlesticks | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_CHART_UP | Color for the up bar, shadows and body borders of bull candlesticks | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_FOREGROUND | Color of axes, scales and OHLC line | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_GRID | Grid color | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_LAST | Line color of the last executed deal price (Last) | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_STOP_LEVEL | Color of stop order levels (Stop Loss and Take Profit) | ChartSetInteger, ChartGetInteger |
| CHART_COLOR_VOLUME | Color of volumes and order opening levels | ChartSetInteger, ChartGetInteger |
| CHART_COMMENT | Text of a comment in a chart | ChartSetString, ChartGetString |
| CHART_CURRENT_POS | Current position | ChartNavigate |
| CHART_DRAG_TRADE_LEVELS | Permission to drag trading levels on a chart with a mouse. The drag mode is enabled by default (true value) | ChartSetInteger, ChartGetInteger |
| CHART_END | Chart end (the latest prices) | ChartNavigate |
| CHART_EVENT_MOUSE_MOVE | Send notifications of mouse move and mouse click events (CHARTEVENT_MOUSE_MOVE) to all mql4 programs on a chart | ChartSetInteger, ChartGetInteger |
| CHART_EVENT_OBJECT_CREATE | Send a notification of an event of new object creation (CHARTEVENT_OBJECT_CREATE) to all mql4-programs on a chart | ChartSetInteger, ChartGetInteger |
| CHART_EVENT_OBJECT_DELETE | Send a notification of an event of object deletion (CHARTEVENT_OBJECT_DELETE) to all mql4-programs on a chart | ChartSetInteger, ChartGetInteger |
| CHART_FIRST_VISIBLE_BAR | Number of the first visible bar in the chart. Indexing of bars is the same as for timeseries. | ChartSetInteger, ChartGetInteger |
| CHART_FIXED_MAX | Fixed chart maximum | ChartSetDouble, ChartGetDouble |
| CHART_FIXED_MIN | Fixed chart minimum | ChartSetDouble, ChartGetDouble |
| CHART_FIXED_POSITION | Chart fixed position from the left border in percent value. Chart fixed position is marked by a small gray triangle on the horizontal time axis. It is displayed only if the automatic chart scrolling to the right on tick incoming is disabled (see CHART_AUTOSCROLL property). The bar on a fixed position remains in the same place when zooming in and out. | ChartSetDouble, ChartGetDouble |
| CHART_FOREGROUND | Price chart in the foreground | ChartSetInteger, ChartGetInteger |
| CHART_HEIGHT_IN_PIXELS | Chart height in pixels | ChartSetInteger, ChartGetInteger |
| CHART_IS_OFFLINE | Flag, indicating that chart opened in offline mode | ChartSetInteger, ChartGetInteger |
| CHART_LINE | Display as a line drawn by Close prices | ChartSetInteger |
| CHART_MODE | Chart type (candlesticks, bars or line) | ChartSetInteger, ChartGetInteger |
| CHART_MOUSE_SCROLL | Scrolling the chart horizontally using the left mouse button. Vertical scrolling is also available if the value of any following properties is set to true: CHART_SCALEFIX, CHART_SCALEFIX_11 or CHART_SCALE_PT_PER_BAR | ChartSetInteger, ChartGetInteger |
| CHART_POINTS_PER_BAR | Scale in points per bar | ChartSetDouble, ChartGetDouble |
| CHART_PRICE_MAX | Chart maximum | ChartSetDouble, ChartGetDouble |
| CHART_PRICE_MIN | Chart minimum | ChartSetDouble, ChartGetDouble |
| CHART_SCALE | Scale | ChartSetInteger, ChartGetInteger |
| CHART_SCALE_PT_PER_BAR | Scale to be specified in points per bar | ChartSetInteger, ChartGetInteger |
| CHART_SCALEFIX | Fixed scale mode | ChartSetInteger, ChartGetInteger |
| CHART_SCALEFIX_11 | Scale 1:1 mode | ChartSetInteger, ChartGetInteger |
| CHART_SHIFT | Mode of price chart indent from the right border | ChartSetInteger, ChartGetInteger |
| CHART_SHIFT_SIZE | The size of the zero bar indent from the right border in percents | ChartSetDouble, ChartGetDouble |
| CHART_SHOW_ASK_LINE | Display Ask values as a horizontal line in a chart | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_BID_LINE | Display Bid values as a horizontal line in a chart | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_DATE_SCALE | Showing the time scale on a chart | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_GRID | Display grid in the chart | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_LAST_LINE | Display Last values as a horizontal line in a chart | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_OBJECT_DESCR | Pop-up descriptions of graphical objects | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_OHLC | Show OHLC values in the upper left corner | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_PERIOD_SEP | Display vertical separators between adjacent periods | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_PRICE_SCALE | Showing the price scale on a chart | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_TRADE_LEVELS | Displaying trade levels in the chart (levels of open orders, Stop Loss, Take Profit and pending orders) | ChartSetInteger, ChartGetInteger |
| CHART_SHOW_VOLUMES | Display volume in the chart | ChartSetInteger, ChartGetInteger |
| CHART_VISIBLE_BARS | The number of bars on the chart that can be displayed | ChartSetInteger, ChartGetInteger |
| CHART_VOLUME_HIDE | Volumes are not shown | ChartSetInteger |
| CHART_VOLUME_TICK | Tick volumes | ChartSetInteger |
| CHART_WIDTH_IN_BARS | Chart width in bars | ChartSetInteger, ChartGetInteger |
| CHART_WIDTH_IN_PIXELS | Chart width in pixels | ChartSetInteger, ChartGetInteger |
| CHART_WINDOW_HANDLE | Chart window handle (HWND) | ChartSetInteger, ChartGetInteger |
| CHART_WINDOW_IS_VISIBLE | Visibility of subwindows | ChartSetInteger, ChartGetInteger |
| CHART_WINDOW_YDISTANCE | The distance between the upper frame of the indicator subwindow and the upper frame of the main chart window, along the vertical Y axis, in pixels. In case of a mouse event, the cursor coordinates are passed in terms of the coordinates of the main chart window, while the coordinates of graphical objects in an indicator subwindow are set relative to the upper left corner of the subwindow.The value is required for converting the absolute coordinates of the main chart to the local coordinates of a subwindow for correct work with the graphical objects, whose coordinates are set relative to the upper left corner of the subwindow frame. | ChartSetInteger, ChartGetInteger |
| CHART_WINDOWS_TOTAL | The total number of chart windows, including indicator subwindows | ChartSetInteger, ChartGetInteger |
| CHARTEVENT_CHART_CHANGE | Change of the chart size or modification of chart properties through the Properties dialog | OnChartEvent |
| CHARTEVENT_CLICK | Clicking on a chart | OnChartEvent |
| CHARTEVENT_CUSTOM | Initial number of an event from a range of custom events | OnChartEvent |
| CHARTEVENT_CUSTOM_LAST | The final number of an event from a range of custom events | OnChartEvent |
| CHARTEVENT_KEYDOWN | Keystrokes | OnChartEvent |
| CHARTEVENT_MOUSE_MOVE | Mouse move, mouse clicks (if CHART_EVENT_MOUSE_MOVE=true is set for the chart) | OnChartEvent |
| CHARTEVENT_OBJECT_CHANGE | Graphical object property changed via the properties dialog | OnChartEvent |
| CHARTEVENT_OBJECT_CLICK | Clicking on a graphical object | OnChartEvent |
| CHARTEVENT_OBJECT_CREATE | Graphical object created (if CHART_EVENT_OBJECT_CREATE=true is set for the chart) | OnChartEvent |
| CHARTEVENT_OBJECT_DELETE | Graphical object deleted (if CHART_EVENT_OBJECT_DELETE=true is set for the chart) | OnChartEvent |
| CHARTEVENT_OBJECT_DRAG | Drag and drop of a graphical object | OnChartEvent |
| CHARTEVENT_OBJECT_ENDEDIT | End of text editing in the graphical object Edit | OnChartEvent |
| CHARTS_MAX | The maximum possible number of simultaneously open charts in the terminal | Other constants |
| CLR_NONE, clrNONE | Absence of color. Indicates empty state of colors | Other constants |
| clrAliceBlue | Alice Blue | Web Colors |
| clrAntiqueWhite | Antique White | Web Colors |
| clrAqua | Aqua | Web Colors |
| clrAquamarine | Aquamarine | Web Colors |
| clrBeige | Beige | Web Colors |
| clrBisque | Bisque | Web Colors |
| clrBlack | Black | Web Colors |
| clrBlanchedAlmond | Blanched Almond | Web Colors |
| clrBlue | Blue | Web Colors |
| clrBlueViolet | Blue Violet | Web Colors |
| clrBrown | Brown | Web Colors |
| clrBurlyWood | Burly Wood | Web Colors |
| clrCadetBlue | Cadet Blue | Web Colors |
| clrChartreuse | Chartreuse | Web Colors |
| clrChocolate | Chocolate | Web Colors |
| clrCoral | Coral | Web Colors |
| clrCornflowerBlue | Cornflower Blue | Web Colors |
| clrCornsilk | Cornsilk | Web Colors |
| clrCrimson | Crimson | Web Colors |
| clrDarkBlue | Dark Blue | Web Colors |
| clrDarkGoldenrod | Dark Goldenrod | Web Colors |
| clrDarkGray | Dark Gray | Web Colors |
| clrDarkGreen | Dark Green | Web Colors |
| clrDarkKhaki | Dark Khaki | Web Colors |
| clrDarkOliveGreen | Dark Olive Green | Web Colors |
| clrDarkOrange | Dark Orange | Web Colors |
| clrDarkOrchid | Dark Orchid | Web Colors |
| clrDarkSalmon | Dark Salmon | Web Colors |
| clrDarkSeaGreen | Dark Sea Green | Web Colors |
| clrDarkSlateBlue | Dark Slate Blue | Web Colors |
| clrDarkSlateGray | Dark Slate Gray | Web Colors |
| clrDarkTurquoise | Dark Turquoise | Web Colors |
| clrDarkViolet | Dark Violet | Web Colors |
| clrDeepPink | Deep Pink | Web Colors |
| clrDeepSkyBlue | Deep Sky Blue | Web Colors |
| clrDimGray | Dim Gray | Web Colors |
| clrDodgerBlue | Dodger Blue | Web Colors |
| clrFireBrick | Fire Brick | Web Colors |
| clrForestGreen | Forest Green | Web Colors |
| clrGainsboro | Gainsboro | Web Colors |
| clrGold | Gold | Web Colors |
| clrGoldenrod | Goldenrod | Web Colors |
| clrGray | Gray | Web Colors |
| clrGreen | Green | Web Colors |
| clrGreenYellow | Green Yellow | Web Colors |
| clrHoneydew | Honeydew | Web Colors |
| clrHotPink | Hot Pink | Web Colors |
| clrIndianRed | Indian Red | Web Colors |
| clrIndigo | Indigo | Web Colors |
| clrIvory | Ivory | Web Colors |
| clrKhaki | Khaki | Web Colors |
| clrLavender | Lavender | Web Colors |
| clrLavenderBlush | Lavender Blush | Web Colors |
| clrLawnGreen | Lawn Green | Web Colors |
| clrLemonChiffon | Lemon Chiffon | Web Colors |
| clrLightBlue | Light Blue | Web Colors |
| clrLightCoral | Light Coral | Web Colors |
| clrLightCyan | Light Cyan | Web Colors |
| clrLightGoldenrod | Light Goldenrod | Web Colors |
| clrLightGray | Light Gray | Web Colors |
| clrLightGreen | Light Green | Web Colors |
| clrLightPink | Light Pink | Web Colors |
| clrLightSalmon | Light Salmon | Web Colors |
| clrLightSeaGreen | Light Sea Green | Web Colors |
| clrLightSkyBlue | Light Sky Blue | Web Colors |
| clrLightSlateGray | Light Slate Gray | Web Colors |
| clrLightSteelBlue | Light Steel Blue | Web Colors |
| clrLightYellow | Light Yellow | Web Colors |
| clrLime | Lime | Web Colors |
| clrLimeGreen | Lime Green | Web Colors |
| clrLinen | Linen | Web Colors |
| clrMagenta | Magenta | Web Colors |
| clrMaroon | Maroon | Web Colors |
| clrMediumAquamarine | Medium Aquamarine | Web Colors |
| clrMediumBlue | Medium Blue | Web Colors |
| clrMediumOrchid | Medium Orchid | Web Colors |
| clrMediumPurple | Medium Purple | Web Colors |
| clrMediumSeaGreen | Medium Sea Green | Web Colors |
| clrMediumSlateBlue | Medium Slate Blue | Web Colors |
| clrMediumSpringGreen | Medium Spring Green | Web Colors |
| clrMediumTurquoise | Medium Turquoise | Web Colors |
| clrMediumVioletRed | Medium Violet Red | Web Colors |
| clrMidnightBlue | Midnight Blue | Web Colors |
| clrMintCream | Mint Cream | Web Colors |
| clrMistyRose | Misty Rose | Web Colors |
| clrMoccasin | Moccasin | Web Colors |
| clrNavajoWhite | Navajo White | Web Colors |
| clrNavy | Navy | Web Colors |
| clrOldLace | Old Lace | Web Colors |
| clrOlive | Olive | Web Colors |
| clrOliveDrab | Olive Drab | Web Colors |
| clrOrange | Orange | Web Colors |
| clrOrangeRed | Orange Red | Web Colors |
| clrOrchid | Orchid | Web Colors |
| clrPaleGoldenrod | Pale Goldenrod | Web Colors |
| clrPaleGreen | Pale Green | Web Colors |
| clrPaleTurquoise | Pale Turquoise | Web Colors |
| clrPaleVioletRed | Pale Violet Red | Web Colors |
| clrPapayaWhip | Papaya Whip | Web Colors |
| clrPeachPuff | Peach Puff | Web Colors |
| clrPeru | Peru | Web Colors |
| clrPink | Pink | Web Colors |
| clrPlum | Plum | Web Colors |
| clrPowderBlue | Powder Blue | Web Colors |
| clrPurple | Purple | Web Colors |
| clrRed | Red | Web Colors |
| clrRosyBrown | Rosy Brown | Web Colors |
| clrRoyalBlue | Royal Blue | Web Colors |
| clrSaddleBrown | Saddle Brown | Web Colors |
| clrSalmon | Salmon | Web Colors |
| clrSandyBrown | Sandy Brown | Web Colors |
| clrSeaGreen | Sea Green | Web Colors |
| clrSeashell | Seashell | Web Colors |
| clrSienna | Sienna | Web Colors |
| clrSilver | Silver | Web Colors |
| clrSkyBlue | Sky Blue | Web Colors |
| clrSlateBlue | Slate Blue | Web Colors |
| clrSlateGray | Slate Gray | Web Colors |
| clrSnow | Snow | Web Colors |
| clrSpringGreen | Spring Green | Web Colors |
| clrSteelBlue | Steel Blue | Web Colors |
| clrTan | Tan | Web Colors |
| clrTeal | Teal | Web Colors |
| clrThistle | Thistle | Web Colors |
| clrTomato | Tomato | Web Colors |
| clrTurquoise | Turquoise | Web Colors |
| clrViolet | Violet | Web Colors |
| clrWheat | Wheat | Web Colors |
| clrWhite | White | Web Colors |
| clrWhiteSmoke | White Smoke | Web Colors |
| clrYellow | Yellow | Web Colors |
| clrYellowGreen | Yellow Green | Web Colors |
| CORNER_LEFT_LOWER | Center of coordinates is in the lower left corner of the chart | ObjectGetInteger, ObjectSetInteger |
| CORNER_LEFT_UPPER | Center of coordinates is in the upper left corner of the chart | ObjectGetInteger, ObjectSetInteger |
| CORNER_RIGHT_LOWER | Center of coordinates is in the lower right corner of the chart | ObjectGetInteger, ObjectSetInteger |
| CORNER_RIGHT_UPPER | Center of coordinates is in the upper right corner of the chart | ObjectGetInteger, ObjectSetInteger |
| CP_ACP | The current Windows ANSI code page. | CharArrayToString, StringToCharArray, FileOpen |
| CP_MACCP | The current system Macintosh code page.Note: This value is mostly used in earlier created program codes and is of no use now, since modern Macintosh computers use Unicode for encoding. | CharArrayToString, StringToCharArray, FileOpen |
| CP_OEMCP | The current system OEM code page. | CharArrayToString, StringToCharArray, FileOpen |
| CP_SYMBOL | Symbol code page | CharArrayToString, StringToCharArray, FileOpen |
| CP_THREAD_ACP | The Windows ANSI code page for the current thread. | CharArrayToString, StringToCharArray, FileOpen |
| CP_UTF7 | UTF-7 code page. | CharArrayToString, StringToCharArray, FileOpen |
| CP_UTF8 | UTF-8 code page. | CharArrayToString, StringToCharArray, FileOpen |
| CRYPT_AES128 | AES encryption with 128 bit key (16 bytes) | CryptEncode, CryptDecode |
| CRYPT_AES256 | AES encryption with 256 bit key (32 bytes) | CryptEncode, CryptDecode |
| CRYPT_ARCH_ZIP | ZIP archives | CryptEncode, CryptDecode |
| CRYPT_BASE64 | BASE64 | CryptEncode, CryptDecode |
| CRYPT_DES | DES encryption with 56 bit key (7 bytes) | CryptEncode, CryptDecode |
| CRYPT_HASH_MD5 | MD5 HASH calculation | CryptEncode, CryptDecode |
| CRYPT_HASH_SHA1 | SHA1 HASH calculation | CryptEncode, CryptDecode |
| CRYPT_HASH_SHA256 | SHA256 HASH calculation | CryptEncode, CryptDecode |
| DBL_DIG | Number of significant decimal digits for double type | Numerical Type Constants |
| DBL_EPSILON | Minimal value, which satisfies the condition:1.0+DBL_EPSILON != 1.0 (for double type) | Numerical Type Constants |
| DBL_MANT_DIG | Bits count in a mantissa for double type | Numerical Type Constants |
| DBL_MAX | Maximal value, which can be represented by double type | Numerical Type Constants |
| DBL_MAX_10_EXP | Maximal decimal value of exponent degree for double type | Numerical Type Constants |
| DBL_MAX_EXP | Maximal binary value of exponent degree for double type | Numerical Type Constants |
| DBL_MIN | Minimal positive value, which can be represented by double type | Numerical Type Constants |
| DBL_MIN_10_EXP | Minimal decimal value of exponent degree for double type | Numerical Type Constants |
| DBL_MIN_EXP | Minimal binary value of exponent degree for double type | Numerical Type Constants |
| DRAW_ARROW | Drawing arrows (symbols) | Drawing Styles |
| DRAW_HISTOGRAM | Drawing histogram | Drawing Styles |
| DRAW_LINE | Drawing line | Drawing Styles |
| DRAW_NONE | No drawing | Drawing Styles |
| DRAW_SECTION | Drawing sections | Drawing Styles |
| DRAW_ZIGZAG | Drawing sections between even and odd indicator buffers, 2 buffers of values | Drawing Styles |
| EMPTY | Indicates empty state of the parameter | Other constants |
| EMPTY_VALUE | Empty value in an indicator buffer. Default custom indicator empty value | Other constants |
| ERR_ACCOUNT_DISABLED | Account disabled | GetLastError |
| ERR_ARRAY_AS_PARAMETER_EXPECTED | Array as parameter expected | GetLastError |
| ERR_ARRAY_INDEX_OUT_OF_RANGE | Array index is out of range | GetLastError |
| ERR_ARRAY_INVALID | Invalid array | GetLastError |
| ERR_BROKER_BUSY | Broker is busy | GetLastError |
| ERR_CANNOT_CALL_FUNCTION | Cannot call function | GetLastError |
| ERR_CANNOT_LOAD_LIBRARY | Cannot load library | GetLastError |
| ERR_CANNOT_OPEN_FILE | Cannot open file | GetLastError |
| ERR_CHART_NOREPLY | No reply from chart | GetLastError |
| ERR_CHART_NOT_FOUND | Chart not found | GetLastError |
| ERR_CHART_PROP_INVALID | Unknown chart property | GetLastError |
| ERR_CHARTINDICATOR_NOT_FOUND | Chart indicator not found | GetLastError |
| ERR_CHARTWINDOW_NOT_FOUND | Chart subwindow not found | GetLastError |
| ERR_COMMON_ERROR | Common error | GetLastError |
| ERR_CUSTOM_INDICATOR_ERROR | Custom indicator error | GetLastError |
| ERR_DLL_CALLS_NOT_ALLOWED | DLL calls are not allowed | GetLastError |
| ERR_DLLFUNC_CRITICALERROR | DLL-function call critical error | GetLastError |
| ERR_DOUBLE_PARAMETER_EXPECTED | Double parameter expected | GetLastError |
| ERR_END_OF_FILE | End of file | GetLastError |
| ERR_EXTERNAL_CALLS_NOT_ALLOWED | Expert function calls are not allowed | GetLastError |
| ERR_FILE_ARRAYRESIZE_ERROR | Array resize error | GetLastError |
| ERR_FILE_BIN_STRINGSIZE | String size must be specified for binary file | GetLastError |
| ERR_FILE_BUFFER_ALLOCATION_ERROR | Text file buffer allocation error | GetLastError |
| ERR_FILE_CANNOT_CLEAN_DIRECTORY | Cannot clean directory | GetLastError |
| ERR_FILE_CANNOT_DELETE | Cannot delete file | GetLastError |
| ERR_FILE_CANNOT_DELETE_DIRECTORY | Cannot delete directory | GetLastError |
| ERR_FILE_CANNOT_OPEN | Cannot open file | GetLastError |
| ERR_FILE_CANNOT_REWRITE | File cannot be rewritten | GetLastError |
| ERR_FILE_DIRECTORY_NOT_EXIST | Directory does not exist | GetLastError |
| ERR_FILE_INCOMPATIBLE | Incompatible file (for string arrays-TXT, for others-BIN) | GetLastError |
| ERR_FILE_INVALID_HANDLE | Invalid file handle (file closed or was not opened) | GetLastError |
| ERR_FILE_IS_DIRECTORY | File is directory not file | GetLastError |
| ERR_FILE_NOT_BIN | File must be opened with FILE_BIN flag | GetLastError |
| ERR_FILE_NOT_CSV | File must be opened with FILE_CSV flag | GetLastError |
| ERR_FILE_NOT_DIRECTORY | Specified file is not directory | GetLastError |
| ERR_FILE_NOT_EXIST | File does not exist | GetLastError |
| ERR_FILE_NOT_TOREAD | File must be opened with FILE_READ flag | GetLastError |
| ERR_FILE_NOT_TOWRITE | File must be opened with FILE_WRITE flag | GetLastError |
| ERR_FILE_NOT_TXT | File must be opened with FILE_TXT flag | GetLastError |
| ERR_FILE_NOT_TXTORCSV | File must be opened with FILE_TXT or FILE_CSV flag | GetLastError |
| ERR_FILE_READ_ERROR | File read error | GetLastError |
| ERR_FILE_STRINGRESIZE_ERROR | String resize error | GetLastError |
| ERR_FILE_STRUCT_WITH_OBJECTS | Structure contains strings or dynamic arrays | GetLastError |
| ERR_FILE_TOO_LONG_FILENAME | Too long file name | GetLastError |
| ERR_FILE_TOO_MANY_OPENED | Too many opened files | GetLastError |
| ERR_FILE_WRITE_ERROR | File write error | GetLastError |
| ERR_FILE_WRONG_DIRECTORYNAME | Wrong directory name | GetLastError |
| ERR_FILE_WRONG_FILENAME | Wrong file name | GetLastError |
| ERR_FILE_WRONG_HANDLE | Wrong file handle (handle index is out of handle table) | GetLastError |
| ERR_FORMAT_TOO_MANY_FORMATTERS | Too many formatters in the format function | GetLastError |
| ERR_FORMAT_TOO_MANY_PARAMETERS | Parameters count exceeds formatters count | GetLastError |
| ERR_FUNC_NOT_ALLOWED_IN_TESTING | Function is not allowed in testing mode | GetLastError |
| ERR_FUNCTION_NOT_CONFIRMED | Function is not allowed for call | GetLastError |
| ERR_GLOBAL_VARIABLE_NOT_FOUND | Global variable not found | GetLastError |
| ERR_GLOBAL_VARIABLES_PROCESSING | Global variables processing error | GetLastError |
| ERR_HISTORY_WILL_UPDATED | Requested history data is in updating state | GetLastError |
| ERR_INCOMPATIBLE_ARRAYS | Arrays are incompatible | GetLastError |
| ERR_INCOMPATIBLE_FILEACCESS | Incompatible access to a file | GetLastError |
| ERR_INCORRECT_SERIESARRAY_USING | Incorrect series array using | GetLastError |
| ERR_INDICATOR_CANNOT_INIT | Custom indicator cannot initialize | GetLastError |
| ERR_INDICATOR_CANNOT_LOAD | Cannot load custom indicator | GetLastError |
| ERR_INTEGER_PARAMETER_EXPECTED | Integer parameter expected | GetLastError |
| ERR_INTERNAL_ERROR | Internal error | GetLastError |
| ERR_INVALID_ACCOUNT | Invalid account | GetLastError |
| ERR_INVALID_FUNCTION_PARAMSCNT | Invalid function parameters count | GetLastError |
| ERR_INVALID_FUNCTION_PARAMVALUE | Invalid function parameter value | GetLastError |
| ERR_INVALID_POINTER | Invalid pointer | GetLastError |
| ERR_INVALID_PRICE | Invalid price | GetLastError |
| ERR_INVALID_PRICE_PARAM | Invalid price | GetLastError |
| ERR_INVALID_STOPS | Invalid stops | GetLastError |
| ERR_INVALID_TICKET | Invalid ticket | GetLastError |
| ERR_INVALID_TRADE_PARAMETERS | Invalid trade parameters | GetLastError |
| ERR_INVALID_TRADE_VOLUME | Invalid trade volume | GetLastError |
| ERR_LONG_POSITIONS_ONLY_ALLOWED | Buy orders only allowed | GetLastError |
| ERR_LONGS_NOT_ALLOWED | Longs are not allowed. Check the Expert Advisor properties | GetLastError |
| ERR_MALFUNCTIONAL_TRADE | Malfunctional trade operation | GetLastError |
| ERR_MARKET_CLOSED | Market is closed | GetLastError |
| ERR_NO_CONNECTION | No connection with trade server | GetLastError |
| ERR_NO_ERROR | No error returned | GetLastError |
| ERR_NO_HISTORY_DATA | No history data | GetLastError |
| ERR_NO_MEMORY_FOR_ARRAYSTRING | No memory for array string | GetLastError |
| ERR_NO_MEMORY_FOR_CALL_STACK | No memory for function call stack | GetLastError |
| ERR_NO_MEMORY_FOR_HISTORY | No memory for history data | GetLastError |
| ERR_NO_MEMORY_FOR_PARAM_STRING | No memory for parameter string | GetLastError |
| ERR_NO_MEMORY_FOR_RETURNED_STR | Not enough memory for temp string returned from function | GetLastError |
| ERR_NO_MEMORY_FOR_TEMP_STRING | No memory for temp string | GetLastError |
| ERR_NO_MQLERROR | No error returned | GetLastError |
| ERR_NO_OBJECT_NAME | No object name | GetLastError |
| ERR_NO_ORDER_SELECTED | No order selected | GetLastError |
| ERR_NO_RESULT | No error returned, but the result is unknown | GetLastError |
| ERR_NO_SPECIFIED_SUBWINDOW | No specified subwindow | GetLastError |
| ERR_NOT_ENOUGH_MONEY | Not enough money | GetLastError |
| ERR_NOT_ENOUGH_RIGHTS | Not enough rights | GetLastError |
| ERR_NOT_ENOUGH_STACK_FOR_PARAM | Not enough stack for parameter | GetLastError |
| ERR_NOT_INITIALIZED_ARRAY | Not initialized array | GetLastError |
| ERR_NOT_INITIALIZED_ARRAYSTRING | Not initialized string in array | GetLastError |
| ERR_NOT_INITIALIZED_STRING | Not initialized string | GetLastError |
| ERR_NOTIFICATION_ERROR | Notification error | GetLastError |
| ERR_NOTIFICATION_PARAMETER | Notification parameter error | GetLastError |
| ERR_NOTIFICATION_SETTINGS | Notifications disabled | GetLastError |
| ERR_NOTIFICATION_TOO_FREQUENT | Notification send too frequent | GetLastError |
| ERR_OBJECT_ALREADY_EXISTS | Object already exists | GetLastError |
| ERR_OBJECT_COORDINATES_ERROR | Object coordinates error | GetLastError |
| ERR_OBJECT_DOES_NOT_EXIST | Object does not exist | GetLastError |
| ERR_OFF_QUOTES | Off quotes | GetLastError |
| ERR_OLD_VERSION | Old version of the client terminal | GetLastError |
| ERR_ORDER_LOCKED | Order is locked | GetLastError |
| ERR_OUT_OF_MEMORY | Out of memory | GetLastError |
| ERR_PRICE_CHANGED | Price changed | GetLastError |
| ERR_RECURSIVE_STACK_OVERFLOW | Recursive stack overflow | GetLastError |
| ERR_REMAINDER_FROM_ZERO_DIVIDE | Remainder from zero divide | GetLastError |
| ERR_REQUOTE | Requote | GetLastError |
| ERR_RESOURCE_DUPLICATED | Duplicate resource | GetLastError |
| ERR_RESOURCE_NOT_FOUND | Resource not found | GetLastError |
| ERR_RESOURCE_NOT_SUPPORTED | Resource not supported | GetLastError |
| ERR_SEND_MAIL_ERROR | Send mail error | GetLastError |
| ERR_SERVER_BUSY | Trade server is busy | GetLastError |
| ERR_SHORTS_NOT_ALLOWED | Shorts are not allowed. Check the Expert Advisor properties | GetLastError |
| ERR_SOME_ARRAY_ERROR | Some array error | GetLastError |
| ERR_SOME_FILE_ERROR | Some file error | GetLastError |
| ERR_SOME_OBJECT_ERROR | Graphical object error | GetLastError |
| ERR_STRING_FUNCTION_INTERNAL | String function internal error | GetLastError |
| ERR_STRING_PARAMETER_EXPECTED | String parameter expected | GetLastError |
| ERR_SYMBOL_SELECT | Symbol select error | GetLastError |
| ERR_SYSTEM_BUSY | System is busy (never generated error) | GetLastError |
| ERR_TOO_FREQUENT_REQUESTS | Too frequent requests | GetLastError |
| ERR_TOO_LONG_STRING | Too long string | GetLastError |
| ERR_TOO_MANY_OPENED_FILES | Too many opened files | GetLastError |
| ERR_TOO_MANY_REQUESTS | Too many requests | GetLastError |
| ERR_TRADE_CONTEXT_BUSY | Trade context is busy | GetLastError |
| ERR_TRADE_DISABLED | Trade is disabled | GetLastError |
| ERR_TRADE_ERROR | Internal trade error | GetLastError |
| ERR_TRADE_EXPERT_DISABLED_BY_SERVER | Automated trading by Expert Advisors/Scripts disabled by trade server | GetLastError |
| ERR_TRADE_EXPIRATION_DENIED | Expirations are denied by broker | GetLastError |
| ERR_TRADE_HEDGE_PROHIBITED | An attempt to open an order opposite to the existing one when hedging is disabled | GetLastError |
| ERR_TRADE_MODIFY_DENIED | Modification denied because order is too close to market | GetLastError |
| ERR_TRADE_NOT_ALLOWED | Trade is not allowed. Enable checkbox “Allow live trading” in the Expert Advisor properties | GetLastError |
| ERR_TRADE_PROHIBITED_BY_FIFO | An attempt to close an order contravening the FIFO rule | GetLastError |
| ERR_TRADE_TIMEOUT | Trade timeout | GetLastError |
| ERR_TRADE_TOO_MANY_ORDERS | The amount of open and pending orders has reached the limit set by the broker | GetLastError |
| ERR_UNKNOWN_COMMAND | Unknown command | GetLastError |
| ERR_UNKNOWN_OBJECT_PROPERTY | Unknown object property | GetLastError |
| ERR_UNKNOWN_OBJECT_TYPE | Unknown object type | GetLastError |
| ERR_UNKNOWN_SYMBOL | Unknown symbol | GetLastError |
| ERR_USER_ERROR_FIRST | User defined errors start with this code | GetLastError |
| ERR_WEBREQUEST_CONNECT_FAILED | Failed to connect to specified URL | GetLastError |
| ERR_WEBREQUEST_INVALID_ADDRESS | Invalid URL | GetLastError |
| ERR_WEBREQUEST_REQUEST_FAILED | HTTP request failed | GetLastError |
| ERR_WEBREQUEST_TIMEOUT | Timeout exceeded | GetLastError |
| ERR_WRONG_FILE_NAME | Wrong file name | GetLastError |
| ERR_WRONG_FUNCTION_POINTER | Wrong function pointer | GetLastError |
| ERR_WRONG_JUMP | Wrong jump (never generated error) | GetLastError |
| ERR_ZERO_DIVIDE | Zero divide | GetLastError |
| FILE_ACCESS_DATE | Date of the last access to the file | FileGetInteger |
| FILE_ANSI | Strings of ANSI type (one byte symbols). Flag is used in FileOpen() | FileOpen |
| FILE_BIN | Binary read/write mode (without string to string conversion). Flag is used in FileOpen() | FileOpen |
| FILE_COMMON | The file path in the common folder of all client terminals \Terminal\Common\Files. Flag is used in FileOpen(), FileCopy(), FileMove() and in FileIsExist() functions. | FileOpen, FileCopy, FileMove, FileIsExist |
| FILE_CREATE_DATE | Date of creation | FileGetInteger |
| FILE_CSV | CSV file (all its elements are converted to strings of the appropriate type, unicode or ansi, and separated by separator). Flag is used in FileOpen() | FileOpen |
| FILE_END | Get the end of file sign | FileGetInteger |
| FILE_EXISTS | Check the existence | FileGetInteger |
| FILE_IS_ANSI | The file is opened as ANSI (see FILE_ANSI) | FileGetInteger |
| FILE_IS_BINARY | The file is opened as a binary file (see FILE_BIN) | FileGetInteger |
| FILE_IS_COMMON | The file is opened in a shared folder of all terminals (see FILE_COMMON) | FileGetInteger |
| FILE_IS_CSV | The file is opened as CSV (see FILE_CSV) | FileGetInteger |
| FILE_IS_READABLE | The opened file is readable (see FILE_READ) | FileGetInteger |
| FILE_IS_TEXT | The file is opened as a text file (see FILE_TXT) | FileGetInteger |
| FILE_IS_WRITABLE | The opened file is writable (see FILE_WRITE) | FileGetInteger |
| FILE_LINE_END | Get the end of line sign | FileGetInteger |
| FILE_MODIFY_DATE | Date of the last modification | FileGetInteger |
| FILE_POSITION | Position of a pointer in the file | FileGetInteger |
| FILE_READ | File is opened for reading. Flag is used in FileOpen(). When opening a file specification of FILE_WRITE and/or FILE_READ is required. | FileOpen |
| FILE_REWRITE | Possibility for the file rewrite using functions FileCopy() and FileMove(). The file should exist or should be opened for writing, otherwise the file will not be opened. | FileCopy, FileMove |
| FILE_SHARE_READ | Shared access for reading from several programs. Flag is used in FileOpen(), but it does not replace the necessity to indicate FILE_WRITE and/or the FILE_READ flag when opening a file. | FileOpen |
| FILE_SHARE_WRITE | Shared access for writing from several programs. Flag is used in FileOpen(), but it does not replace the necessity to indicate FILE_WRITE and/or the FILE_READ flag when opening a file. | FileOpen |
| FILE_SIZE | File size in bytes | FileGetInteger |
| FILE_TXT | Simple text file (the same as csv file, but without taking into account the separators). Flag is used in FileOpen() | FileOpen |
| FILE_UNICODE | Strings of UNICODE type (two byte symbols). Flag is used in FileOpen() | FileOpen |
| FILE_WRITE | File is opened for writing. Flag is used in FileOpen(). When opening a file specification of FILE_WRITE and/or FILE_READ is required. | FileOpen |
| FLT_DIG | Number of significant decimal digits for float type | Numerical Type Constants |
| FLT_EPSILON | Minimal value, which satisfies the condition:1.0+DBL_EPSILON != 1.0 (for float type) | Numerical Type Constants |
| FLT_MANT_DIG | Bits count in a mantissa for float type | Numerical Type Constants |
| FLT_MAX | Maximal value, which can be represented by float type | Numerical Type Constants |
| FLT_MAX_10_EXP | Maximal decimal value of exponent degree for float type | Numerical Type Constants |
| FLT_MAX_EXP | Maximal binary value of exponent degree for float type | Numerical Type Constants |
| FLT_MIN | Minimal positive value, which can be represented by float type | Numerical Type Constants |
| FLT_MIN_10_EXP | Minimal decimal value of exponent degree for float type | Numerical Type Constants |
| FLT_MIN_EXP | Minimal binary value of exponent degree for float type | Numerical Type Constants |
| FRIDAY | Friday | SymbolInfoSessionQuote, SymbolInfoSessionTrade |
| GANN_DOWN_TREND | Line corresponding to the downward trend | Gann Objects |
| GANN_UP_TREND | Line corresponding to the uptrend line | Gann Objects |
| IDABORT | “Abort” button has been pressed | MessageBox |
| IDCANCEL | “Cancel” button has been pressed | MessageBox |
| IDCONTINUE | “Continue” button has been pressed | MessageBox |
| IDIGNORE | “Ignore” button has been pressed | MessageBox |
| IDNO | “No” button has been pressed | MessageBox |
| IDOK | “OK” button has been pressed | MessageBox |
| IDRETRY | “Retry” button has been pressed | MessageBox |
| IDTRYAGAIN | “Try Again” button has been pressed | MessageBox |
| IDYES | “Yes” button has been pressed | MessageBox |
| INDICATOR_DIGITS | Accuracy of drawing of indicator values | Custom Indicators Properties |
| INDICATOR_HEIGHT | Fixed height of the indicator’s window (the preprocessor command #property indicator_height) | Custom Indicators Properties |
| INDICATOR_LEVELCOLOR | Color of the level line | Custom Indicators Properties |
| INDICATOR_LEVELS | Number of levels in the indicator window | Custom Indicators Properties |
| INDICATOR_LEVELSTYLE | Style of the level line | Custom Indicators Properties |
| INDICATOR_LEVELTEXT | Level description | Custom Indicators Properties |
| INDICATOR_LEVELVALUE | Level value | Custom Indicators Properties |
| INDICATOR_LEVELWIDTH | Thickness of the level line | Custom Indicators Properties |
| INDICATOR_MAXIMUM | Maximum of the indicator window | Custom Indicators Properties |
| INDICATOR_MINIMUM | Minimum of the indicator window | Custom Indicators Properties |
| INDICATOR_SHORTNAME | Short indicator name | Custom Indicators Properties |
| INT_MAX | Maximal value, which can be represented by int type | Numerical Type Constants |
| INT_MIN | Minimal value, which can be represented by int type | Numerical Type Constants |
| INVALID_HANDLE | Incorrect handle | Other constants |
| IS_DEBUG_MODE | Flag that a mql4-program operates in debug mode | Other constants |
| IS_PROFILE_MODE | Flag that a mql4-program operates in profiling mode | Other constants |
| LONG_MAX | Maximal value, which can be represented by long type | Numerical Type Constants |
| LONG_MIN | Minimal value, which can be represented by long type | Numerical Type Constants |
| M_1_PI | 1/pi | Mathematical Constants |
| M_2_PI | 2/pi | Mathematical Constants |
| M_2_SQRTPI | 2/sqrt(pi) | Mathematical Constants |
| M_E | e | Mathematical Constants |
| M_LN10 | ln(10) | Mathematical Constants |
| M_LN2 | ln(2) | Mathematical Constants |
| M_LOG10E | log10(e) | Mathematical Constants |
| M_LOG2E | log2(e) | Mathematical Constants |
| M_PI | pi | Mathematical Constants |
| M_PI_2 | pi/2 | Mathematical Constants |
| M_PI_4 | pi/4 | Mathematical Constants |
| M_SQRT1_2 | 1/sqrt(2) | Mathematical Constants |
| M_SQRT2 | sqrt(2) | Mathematical Constants |
| MB_ABORTRETRYIGNORE | Message window contains three buttons: Abort, Retry and Ignore | MessageBox |
| MB_CANCELTRYCONTINUE | Message window contains three buttons: Cancel, Try Again, Continue | MessageBox |
| MB_DEFBUTTON1 | The first button MB_DEFBUTTON1 - is default, if the other buttons MB_DEFBUTTON2, MB_DEFBUTTON3, or MB_DEFBUTTON4 are not specified | MessageBox |
| MB_DEFBUTTON2 | The second button is default | MessageBox |
| MB_DEFBUTTON3 | The third button is default | MessageBox |
| MB_DEFBUTTON4 | The fourth button is default | MessageBox |
| MB_ICONEXCLAMATION,MB_ICONWARNING | The exclamation/warning sign icon | MessageBox |
| MB_ICONINFORMATION,MB_ICONASTERISK | The encircled i sign | MessageBox |
| MB_ICONQUESTION | The question sign icon | MessageBox |
| MB_ICONSTOP,MB_ICONERROR,MB_ICONHAND | The STOP sign icon | MessageBox |
| MB_OK | Message window contains only one button: OK. Default | MessageBox |
| MB_OKCANCEL | Message window contains two buttons: OK and Cancel | MessageBox |
| MB_RETRYCANCEL | Message window contains two buttons: Retry and Cancel | MessageBox |
| MB_YESNO | Message window contains two buttons: Yes and No | MessageBox |
| MB_YESNOCANCEL | Message window contains three buttons: Yes, No and Cancel | MessageBox |
| MODE_ASK | Last incoming ask price. For the current symbol, it is stored in the predefined variable Ask | MarketInfo |
| MODE_BID | Last incoming bid price. For the current symbol, it is stored in the predefined variable Bid | MarketInfo |
| MODE_CHIKOUSPAN | Chikou Span | Indicator Lines |
| MODE_CLOSE | Close price | Series Array Identifiers |
| MODE_DIGITS | Count of digits after decimal point in the symbol prices. For the current symbol, it is stored in the predefined variable Digits | MarketInfo |
| MODE_EMA | Exponential averaging | Smoothing Methods |
| MODE_EXPIRATION | Market expiration date (usually used for futures) | MarketInfo |
| MODE_FREEZELEVEL | Order freeze level in points. If the execution price lies within the range defined by the freeze level, the order cannot be modified, cancelled or closed | MarketInfo |
| MODE_GATORJAW | Jaw line | Indicator Lines |
| MODE_GATORLIPS | Lips line | Indicator Lines |
| MODE_GATORTEETH | Teeth line | Indicator Lines |
| MODE_HIGH | High day price | Series Array Identifiers |
| MODE_HISTORY | An order is selected from closed and canceled orders | OrderSelect |
| MODE_KIJUNSEN | Kijun-sen | Indicator Lines |
| MODE_LOTSIZE | Lot size in the base currency | MarketInfo |
| MODE_LOTSTEP | Step for changing lots | MarketInfo |
| MODE_LOW | Low day price | Series Array Identifiers |
| MODE_LOWER | Lower line | Indicator Lines |
| MODE_LWMA | Linear-weighted averaging | Smoothing Methods |
| MODE_MAIN | Base indicator line | Indicator Lines |
| MODE_MARGINCALCMODE | Margin calculation mode. 0 - Forex; 1 - CFD; 2 - Futures; 3 - CFD for indices | MarketInfo |
| MODE_MARGINHEDGED | Hedged margin calculated for 1 lot | MarketInfo |
| MODE_MARGININIT | Initial margin requirements for 1 lot | MarketInfo |
| MODE_MARGINMAINTENANCE | Margin to maintain open orders calculated for 1 lot | MarketInfo |
| MODE_MARGINREQUIRED | Free margin required to open 1 lot for buying | MarketInfo |
| MODE_MAXLOT | Maximum permitted amount of a lot | MarketInfo |
| MODE_MINLOT | Minimum permitted amount of a lot | MarketInfo |
| MODE_MINUSDI | -DI indicator line | Indicator Lines |
| MODE_OPEN | Open price | Series Array Identifiers |
| MODE_PLUSDI | +DI indicator line | Indicator Lines |
| MODE_POINT | Point size in the quote currency. For the current symbol, it is stored in the predefined variable Point | MarketInfo |
| MODE_PROFITCALCMODE | Profit calculation mode. 0 - Forex; 1 - CFD; 2 - Futures | MarketInfo |
| MODE_SENKOUSPANA | Senkou Span A | Indicator Lines |
| MODE_SENKOUSPANB | Senkou Span B | Indicator Lines |
| MODE_SIGNAL | Signal line | Indicator Lines |
| MODE_SMA | Simple averaging | Smoothing Methods |
| MODE_SMMA | Smoothed averaging | Smoothing Methods |
| MODE_SPREAD | Spread value in points | MarketInfo |
| MODE_STARTING | Market starting date (usually used for futures) | MarketInfo |
| MODE_STOPLEVEL | Stop level in pointsA zero value of MODE_STOPLEVEL means either absence of any restrictions on the minimal distance for Stop Loss/Take Profit or the fact that a trade server utilizes some external mechanisms for dynamic level control, which cannot be translated in the client terminal. In the second case, GetLastError() can return error 130, because MODE_STOPLEVEL is actually “floating” here. | MarketInfo |
| MODE_SWAPLONG | Swap of the buy order | MarketInfo |
| MODE_SWAPSHORT | Swap of the sell order | MarketInfo |
| MODE_SWAPTYPE | Swap calculation method. 0 - in points; 1 - in the symbol base currency; 2 - by interest; 3 - in the margin currency | MarketInfo |
| MODE_TENKANSEN | Tenkan-sen | Indicator Lines |
| MODE_TICKSIZE | Tick size in points | MarketInfo |
| MODE_TICKVALUE | Tick value in the deposit currency | MarketInfo |
| MODE_TIME | The last incoming tick time (last known server time) | Series Array Identifiers |
| MODE_TRADEALLOWED | Trade is allowed for the symbol | MarketInfo |
| MODE_TRADES | An order is selected from open and pending orders | OrderSelect |
| MODE_UPPER | Upper line | Indicator Lines |
| MODE_VOLUME | Volume, used in iLowest() and iHighest() functions | Series Array Identifiers |
| MONDAY | Monday | SymbolInfoSessionQuote, SymbolInfoSessionTrade |
| MQL_CODEPAGE | Codepage used by an MQL4 program to output and convert strings (Print, PrintFormat, Alert, MessageBox, SendFTP, SendMail, SendNotification, etc.) | Running MQL4 Program Properties |
| MQL_DEBUG | The flag, that indicates the debug mode | MQLInfoInteger |
| MQL_DLLS_ALLOWED | The permission to use DLL for the given executed program | MQLInfoInteger |
| MQL_LICENSE_TYPE | Type of license of the EX4 module. The license refers to the EX4 module, from which a request is made using MQLInfoInteger(MQL_LICENSE_TYPE). | MQLInfoInteger |
| MQL_OPTIMIZATION | The flag, that indicates the optimization process | MQLInfoInteger |
| MQL_PROFILER | The flag, that indicates the program operating in the code profiling mode | MQLInfoInteger |
| MQL_PROGRAM_NAME | Name of the MQL4-program executed | MQLInfoString |
| MQL_PROGRAM_PATH | Path for the given executed program | MQLInfoString |
| MQL_PROGRAM_TYPE | Type of the MQL4 program | MQLInfoInteger |
| MQL_SIGNALS_ALLOWED | The permission to modify the Signals for the given executed program | MQLInfoInteger |
| MQL_TESTER | The flag, that indicates the tester process | MQLInfoInteger |
| MQL_TRADE_ALLOWED | The permission to trade for the given executed program | MQLInfoInteger |
| MQL_VISUAL_MODE | The flag, that indicates the visual tester process | MQLInfoInteger |
| NULL | Zero for any types. Also indicates empty state of the string | Other constants |
| OBJ_ALL_PERIODS | The object is drawn in all timeframes | Visibility of Objects |
| OBJ_ARROW | Arrow | Object Types |
| OBJ_ARROW_BUY | Buy Sign | Object Types |
| OBJ_ARROW_CHECK | Check Sign | Object Types |
| OBJ_ARROW_DOWN | Arrow Down | Object Types |
| OBJ_ARROW_LEFT_PRICE | Left Price Label | Object Types |
| OBJ_ARROW_RIGHT_PRICE | Right Price Label | Object Types |
| OBJ_ARROW_SELL | Sell Sign | Object Types |
| OBJ_ARROW_STOP | Stop Sign | Object Types |
| OBJ_ARROW_THUMB_DOWN | Thumbs Down | Object Types |
| OBJ_ARROW_THUMB_UP | Thumbs Up | Object Types |
| OBJ_ARROW_UP | Arrow Up | Object Types |
| OBJ_BITMAP | Bitmap | Object Types |
| OBJ_BITMAP_LABEL | Bitmap Label | Object Types |
| OBJ_BUTTON | Button | Object Types |
| OBJ_CHANNEL | Equidistant Channel | Object Types |
| OBJ_CYCLES | Cycle Lines | Object Types |
| OBJ_EDIT | Edit | Object Types |
| OBJ_ELLIPSE | Ellipse | Object Types |
| OBJ_EVENT | The “Event” object corresponding to an event in the economic calendar | Object Types |
| OBJ_EXPANSION | Fibonacci Expansion | Object Types |
| OBJ_FIBO | Fibonacci Retracement | Object Types |
| OBJ_FIBOARC | Fibonacci Arcs | Object Types |
| OBJ_FIBOCHANNEL | Fibonacci Channel | Object Types |
| OBJ_FIBOFAN | Fibonacci Fan | Object Types |
| OBJ_FIBOTIMES | Fibonacci Time Zones | Object Types |
| OBJ_GANNFAN | Gann Fan | Object Types |
| OBJ_GANNGRID | Gann Grid | Object Types |
| OBJ_GANNLINE | Gann Line | Object Types |
| OBJ_HLINE | Horizontal Line | Object Types |
| OBJ_LABEL | Label | Object Types |
| OBJ_NO_PERIODS, EMPTY | The object is not drawn in all timeframes | Visibility of Objects |
| OBJ_PERIOD_D1 | The object is drawn in day charts | Visibility of Objects |
| OBJ_PERIOD_H1 | The object is drawn in 1-hour chart | Visibility of Objects |
| OBJ_PERIOD_H4 | The object is drawn in 4-hour chart | Visibility of Objects |
| OBJ_PERIOD_M1 | The object is drawn in 1-minute chart | Visibility of Objects |
| OBJ_PERIOD_M15 | The object is drawn in 15-minute chart | Visibility of Objects |
| OBJ_PERIOD_M30 | The object is drawn in 30-minute chart | Visibility of Objects |
| OBJ_PERIOD_M5 | The object is drawn in 5-minute chart | Visibility of Objects |
| OBJ_PERIOD_MN1 | The object is drawn in month charts | Visibility of Objects |
| OBJ_PERIOD_W1 | The object is drawn in week charts | Visibility of Objects |
| OBJ_PITCHFORK | Andrews’ Pitchfork | Object Types |
| OBJ_RECTANGLE | Rectangle | Object Types |
| OBJ_RECTANGLE_LABEL | The “Rectangle label” object for creating and designing the custom graphical interface. | Object Types |
| OBJ_REGRESSION | Linear Regression Channel | Object Types |
| OBJ_STDDEVCHANNEL | Standard Deviation Channel | Object Types |
| OBJ_TEXT | Text | Object Types |
| OBJ_TREND | Trend Line | Object Types |
| OBJ_TRENDBYANGLE | Trend Line By Angle | Object Types |
| OBJ_TRIANGLE | Triangle | Object Types |
| OBJ_VLINE | Vertical Line | Object Types |
| OBJPROP_ALIGN | Horizontal text alignment in the “Edit” object (OBJ_EDIT) | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_ANCHOR | Location of the anchor point of a graphical object | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_ANGLE | Double value to set/get angle object property in degrees | ObjectGet, ObjectSet |
| OBJPROP_ARROWCODE | Integer value or arrow enumeration to set/get arrow code object property | ObjectGet, ObjectSet |
| OBJPROP_BACK | Boolean value to set/get background drawing flag for object | ObjectGet, ObjectSet |
| OBJPROP_BGCOLOR | The background color for OBJ_EDIT, OBJ_BUTTON, OBJ_RECTANGLE_LABEL | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_BMPFILE | The name of BMP-file for Bitmap Label. See also Resources | ObjectGetString, ObjectSetString |
| OBJPROP_BORDER_COLOR | Border color for the OBJ_EDIT and OBJ_BUTTON objects | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_BORDER_TYPE | Border type for the “Rectangle label” object | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_COLOR | Color value to set/get object color | ObjectGet, ObjectSet |
| OBJPROP_CORNER | Integer value to set/get anchor corner property for label objects. Must be from 0-3. | ObjectGet, ObjectSet |
| OBJPROP_CREATETIME | Time of object creation | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_DEVIATION | Double value to set/get deviation property for Standard deviation objects | ObjectGet, ObjectSet |
| OBJPROP_DRAWLINES | Displaying lines for marking the Elliott Wave | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_ELLIPSE | Boolean value to set/get ellipse flag for fibo arcs | ObjectGet, ObjectSet |
| OBJPROP_FIBOLEVELS | Integer value to set/get Fibonacci object level count. Can be from 0 to 32 | ObjectGet, ObjectSet |
| OBJPROP_FIRSTLEVEL+n | Integer value to set/get the value of Fibonacci object level with index n. Index n can be from 0 (number of levels -1), but not larger than 31 | ObjectGet, ObjectSet |
| OBJPROP_FONT | Font | ObjectGetString, ObjectSetString |
| OBJPROP_FONTSIZE | Integer value to set/get font size for text objects | ObjectGet, ObjectSet |
| OBJPROP_HIDDEN | Prohibit showing of the name of a graphical object in the list of objects from the terminal menu “Charts” - “Objects” - “List of objects”. The true value allows to hide an object from the list. By default, true is set to the objects that display calendar events, trading history and to the objects created from MQL4 programs. To see such graphical objects and access their properties, click on the “All” button in the “List of objects” window. | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_LEVELCOLOR | Color value to set/get object level line color | ObjectGet, ObjectSet |
| OBJPROP_LEVELS | Number of levels | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_LEVELSTYLE | Value is one of STYLE_SOLID, STYLE_DASH, STYLE_DOT, STYLE_DASHDOT, STYLE_DASHDOTDOT constants to set/get object level line style | ObjectGet, ObjectSet |
| OBJPROP_LEVELTEXT | Level description | ObjectGetString, ObjectSetString |
| OBJPROP_LEVELVALUE | Level value | ObjectGetDouble, ObjectSetDouble |
| OBJPROP_LEVELWIDTH | Integer value to set/get object level line width. Can be from 1 to 5 | ObjectGet, ObjectSet |
| OBJPROP_NAME | Object name | ObjectGetString, ObjectSetString |
| OBJPROP_PRICE | Price coordinate | ObjectGetDouble, ObjectSetDouble |
| OBJPROP_PRICE1 | Double value to set/get first coordinate price part | ObjectGet, ObjectSet |
| OBJPROP_PRICE2 | Double value to set/get second coordinate price part | ObjectGet, ObjectSet |
| OBJPROP_PRICE3 | Double value to set/get third coordinate price part | ObjectGet, ObjectSet |
| OBJPROP_RAY | Boolean value to set/get ray flag of object. | ObjectGet, ObjectSet |
| OBJPROP_RAY_RIGHT | Ray goes to the right | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_READONLY | Ability to edit text in the Edit object | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_SCALE | Double value to set/get scale object property | ObjectGet, ObjectSet |
| OBJPROP_SELECTABLE | Object availability | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_SELECTED | Object is selected | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_STATE | Button state (pressed / depressed) | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_STYLE | Value is one of STYLE_SOLID, STYLE_DASH, STYLE_DOT, STYLE_DASHDOT, STYLE_DASHDOTDOT constants to set/get object line style | ObjectGet, ObjectSet |
| OBJPROP_SYMBOL | Symbol for the Chart object | ObjectGetString, ObjectSetString |
| OBJPROP_TEXT | Description of the object (the text contained in the object) | ObjectGetString, ObjectSetString |
| OBJPROP_TIME | Time coordinate | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_TIME1 | Datetime value to set/get first coordinate time part | ObjectGet, ObjectSet |
| OBJPROP_TIME2 | Datetime value to set/get second coordinate time part | ObjectGet, ObjectSet |
| OBJPROP_TIME3 | Datetime value to set/get third coordinate time part | ObjectGet, ObjectSet |
| OBJPROP_TIMEFRAMES | Value can be one or combination (bitwise addition) of object visibility constants to set/get timeframe object property | ObjectGet, ObjectSet |
| OBJPROP_TOOLTIP | The text of a tooltip. If the property is not set, then the tooltip generated automatically by the terminal is shown. A tooltip can be disabled by setting the “\n” (line feed) value to it | ObjectGetString, ObjectSetString |
| OBJPROP_TYPE | Object type | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_WIDTH | Integer value to set/get object line width. Can be from 1 to 5 | ObjectGet, ObjectSet |
| OBJPROP_XDISTANCE | Integer value to set/get anchor X distance object property in pixels (see note) | ObjectGet, ObjectSet |
| OBJPROP_XOFFSET | The X coordinate of the upper left corner of the rectangular visible area in the graphical objects “Bitmap Label” and “Bitmap” (OBJ_BITMAP_LABEL and OBJ_BITMAP). The value is set in pixels relative to the upper left corner of the original image. | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_XSIZE | The object’s width along the X axis in pixels. Specified for OBJ_LABEL (read only), OBJ_BUTTON, OBJ_BITMAP, OBJ_BITMAP_LABEL, OBJ_EDIT, OBJ_RECTANGLE_LABEL objects. | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_YDISTANCE | Integer value is to set/get anchor Y distance object property in pixels (see note) | ObjectGet, ObjectSet |
| OBJPROP_YOFFSET | The Y coordinate of the upper left corner of the rectangular visible area in the graphical objects “Bitmap Label” and “Bitmap” (OBJ_BITMAP_LABEL and OBJ_BITMAP). The value is set in pixels relative to the upper left corner of the original image. | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_YSIZE | The object’s height along the Y axis in pixels. Specified for OBJ_LABEL (read only), OBJ_BUTTON, OBJ_BITMAP, OBJ_BITMAP_LABEL, OBJ_EDIT, OBJ_RECTANGLE_LABEL objects. | ObjectGetInteger, ObjectSetInteger |
| OBJPROP_ZORDER | Priority of a graphical object for receiving events of clicking on a chart (CHARTEVENT_CLICK). The default zero value is set when creating an object; the priority can be increased if necessary. When applying objects one over another, only one of them with the highest priority will receive the CHARTEVENT_CLICK event. | ObjectGetInteger, ObjectSetInteger |
| OP_BUY | Buy operation | OrderSend |
| OP_BUYLIMIT | Buy limit pending order | OrderSend |
| OP_BUYSTOP | Buy stop pending order | OrderSend |
| OP_SELL | Sell operation | OrderSend |
| OP_SELLLIMIT | Sell limit pending order | OrderSend |
| OP_SELLSTOP | Sell stop pending order | OrderSend |
| PERIOD_CURRENT | Current timeframe | Chart Timeframes |
| PERIOD_D1 | 1 day | Chart Timeframes |
| PERIOD_H1 | 1 hour | Chart Timeframes |
| PERIOD_H12 | 12 hours | Chart Timeframes |
| PERIOD_H2 | 2 hours | Chart Timeframes |
| PERIOD_H3 | 3 hours | Chart Timeframes |
| PERIOD_H4 | 4 hours | Chart Timeframes |
| PERIOD_H6 | 6 hours | Chart Timeframes |
| PERIOD_H8 | 8 hours | Chart Timeframes |
| PERIOD_M1 | 1 minute | Chart Timeframes |
| PERIOD_M10 | 10 minutes | Chart Timeframes |
| PERIOD_M12 | 12 minutes | Chart Timeframes |
| PERIOD_M15 | 15 minutes | Chart Timeframes |
| PERIOD_M2 | 2 minutes | Chart Timeframes |
| PERIOD_M20 | 20 minutes | Chart Timeframes |
| PERIOD_M3 | 3 minutes | Chart Timeframes |
| PERIOD_M30 | 30 minutes | Chart Timeframes |
| PERIOD_M4 | 4 minutes | Chart Timeframes |
| PERIOD_M5 | 5 minutes | Chart Timeframes |
| PERIOD_M6 | 6 minutes | Chart Timeframes |
| PERIOD_MN1 | 1 month | Chart Timeframes |
| PERIOD_W1 | 1 week | Chart Timeframes |
| POINTER_AUTOMATIC | Pointer of any objects created automatically (not using new()) | CheckPointer |
| POINTER_DYNAMIC | Pointer of the object created by the new() operator | CheckPointer |
| POINTER_INVALID | Incorrect pointer | CheckPointer |
| PRICE_CLOSE | Close price | Price Constants |
| PRICE_HIGH | The maximum price for the period | Price Constants |
| PRICE_LOW | The minimum price for the period | Price Constants |
| PRICE_MEDIAN | Median price, (high + low)/2 | Price Constants |
| PRICE_OPEN | Open price | Price Constants |
| PRICE_TYPICAL | Typical price, (high + low + close)/3 | Price Constants |
| PRICE_WEIGHTED | Average price, (high + low + close + close)/4 | Price Constants |
| REASON_ACCOUNT | Another account has been activated or reconnection to the trade server has occurred due to changes in the account settings | UninitializeReason |
| REASON_CHARTCHANGE | Symbol or chart period has been changed | UninitializeReason |
| REASON_CHARTCLOSE | Chart has been closed | UninitializeReason |
| REASON_CLOSE | Terminal has been closed | UninitializeReason |
| REASON_INITFAILED | This value means that OnInit() handler has returned a nonzero value | UninitializeReason |
| REASON_PARAMETERS | Input parameters have been changed by a user | UninitializeReason |
| REASON_PROGRAM | Expert Advisor terminated its operation by calling the ExpertRemove() function | UninitializeReason |
| REASON_RECOMPILE | Program has been recompiled | UninitializeReason |
| REASON_REMOVE | Program has been deleted from the chart | UninitializeReason |
| REASON_TEMPLATE | A new template has been applied | UninitializeReason |
| SATURDAY | Saturday | SymbolInfoSessionQuote, SymbolInfoSessionTrade |
| SEEK_CUR | Current position of a file pointer | FileSeek |
| SEEK_END | File end | FileSeek |
| SEEK_SET | File beginning | FileSeek |
| SELECT_BY_POS | An order is selected based on its position in the list of orders | OrderSelect |
| SELECT_BY_TICKET | An order is selected by its ticket | OrderSelect |
| SERIES_BARS_COUNT | Bars count for the symbol-period for the current moment | SeriesInfoInteger |
| SERIES_FIRSTDATE | The very first date for the symbol-period for the current moment | SeriesInfoInteger |
| SERIES_LASTBAR_DATE | Open time of the last bar of the symbol-period | SeriesInfoInteger |
| SERIES_SERVER_FIRSTDATE | The very first date in the history of the symbol on the server regardless of the timeframe | SeriesInfoInteger |
| SHORT_MAX | Maximal value, which can be represented by short type | Numerical Type Constants |
| SHORT_MIN | Minimal value, which can be represented by short type | Numerical Type Constants |
| SIGNAL_BASE_AUTHOR_LOGIN | Author login | SignalBaseGetString |
| SIGNAL_BASE_BALANCE | Account balance | SignalBaseGetDouble |
| SIGNAL_BASE_BROKER | Broker name (company) | SignalBaseGetString |
| SIGNAL_BASE_BROKER_SERVER | Broker server | SignalBaseGetString |
| SIGNAL_BASE_CURRENCY | Signal base currency | SignalBaseGetString |
| SIGNAL_BASE_DATE_PUBLISHED | Publication date (date when it become available for subscription) | SignalBaseGetInteger |
| SIGNAL_BASE_DATE_STARTED | Monitoring starting date | SignalBaseGetInteger |
| SIGNAL_BASE_EQUITY | Account equity | SignalBaseGetDouble |
| SIGNAL_BASE_GAIN | Account gain | SignalBaseGetDouble |
| SIGNAL_BASE_ID | Signal ID | SignalBaseGetInteger |
| SIGNAL_BASE_LEVERAGE | Account leverage | SignalBaseGetInteger |
| SIGNAL_BASE_MAX_DRAWDOWN | Account maximum drawdown | SignalBaseGetDouble |
| SIGNAL_BASE_NAME | Signal name | SignalBaseGetString |
| SIGNAL_BASE_PIPS | Profit in pips | SignalBaseGetInteger |
| SIGNAL_BASE_PRICE | Signal subscription price | SignalBaseGetDouble |
| SIGNAL_BASE_RATING | Position in rating | SignalBaseGetInteger |
| SIGNAL_BASE_ROI | Return on Investment (%) | SignalBaseGetDouble |
| SIGNAL_BASE_SUBSCRIBERS | Number of subscribers | SignalBaseGetInteger |
| SIGNAL_BASE_TRADE_MODE | Account type (0-real, 1-demo, 2-contest) | SignalBaseGetInteger |
| SIGNAL_BASE_TRADES | Number of trades | SignalBaseGetInteger |
| SIGNAL_INFO_CONFIRMATIONS_DISABLED | The flag enables synchronization without confirmation dialog | SignalInfoGetInteger, SignalInfoSetInteger |
| SIGNAL_INFO_COPY_SLTP | Copy Stop Loss and Take Profit flag | SignalInfoGetInteger, SignalInfoSetInteger |
| SIGNAL_INFO_DEPOSIT_PERCENT | Deposit percent (%) | SignalInfoGetInteger, SignalInfoSetInteger |
| SIGNAL_INFO_EQUITY_LIMIT | Equity limit | SignalInfoGetDouble, SignalInfoSetDouble |
| SIGNAL_INFO_ID | Signal id, r/o | SignalInfoGetInteger, SignalInfoSetInteger |
| SIGNAL_INFO_NAME | Signal name, r/o | SignalInfoGetString |
| SIGNAL_INFO_SLIPPAGE | Slippage (used when placing market orders in synchronization of positions and copying of trades) | SignalInfoGetDouble, SignalInfoSetDouble |
| SIGNAL_INFO_SUBSCRIPTION_ENABLED | “Copy trades by subscription” permission flag | SignalInfoGetInteger, SignalInfoSetInteger |
| SIGNAL_INFO_TERMS_AGREE | “Agree to terms of use of Signals service” flag, r/o | SignalInfoGetInteger, SignalInfoSetInteger |
| SIGNAL_INFO_VOLUME_PERCENT | Maximum percent of deposit used (%), r/o | SignalInfoGetDouble, SignalInfoSetDouble |
| STAT_BALANCE_DD | Maximum balance drawdown in monetary terms. In the process of trading, a balance may have numerous drawdowns; here the largest value is taken | TesterStatistics |
| STAT_BALANCE_DD_RELATIVE | Balance drawdown in monetary terms that was recorded at the moment of the maximum balance drawdown as a percentage (STAT_BALANCE_DDREL_PERCENT). | TesterStatistics |
| STAT_BALANCE_DDREL_PERCENT | Maximum balance drawdown as a percentage. In the process of trading, a balance may have numerous drawdowns, for each of which the relative drawdown value in percents is calculated. The greatest value is returned | TesterStatistics |
| STAT_BALANCEDD_PERCENT | Balance drawdown as a percentage that was recorded at the moment of the maximum balance drawdown in monetary terms (STAT_BALANCE_DD). | TesterStatistics |
| STAT_BALANCEMIN | Minimum balance value | TesterStatistics |
| STAT_CONLOSSMAX | Maximum loss in a series of losing trades. The value is less than or equal to zero | TesterStatistics |
| STAT_CONLOSSMAX_TRADES | The number of trades that have formed STAT_CONLOSSMAX (maximum loss in a series of losing trades) | TesterStatistics |
| STAT_CONPROFITMAX | Maximum profit in a series of profitable trades. The value is greater than or equal to zero | TesterStatistics |
| STAT_CONPROFITMAX_TRADES | The number of trades that have formed STAT_CONPROFITMAX (maximum profit in a series of profitable trades) | TesterStatistics |
| STAT_CUSTOM_ONTESTER | The value of the calculated custom optimization criterion returned by the OnTester() function | TesterStatistics |
| STAT_DEALS | The number of deals | TesterStatistics |
| STAT_EQUITY_DD | Maximum equity drawdown in monetary terms. In the process of trading, numerous drawdowns may appear on the equity; here the largest value is taken | TesterStatistics |
| STAT_EQUITY_DD_RELATIVE | Equity drawdown in monetary terms that was recorded at the moment of the maximum equity drawdown in percent (STAT_EQUITY_DDREL_PERCENT). | TesterStatistics |
| STAT_EQUITY_DDREL_PERCENT | Maximum equity drawdown as a percentage. In the process of trading, an equity may have numerous drawdowns, for each of which the relative drawdown value in percents is calculated. The greatest value is returned | TesterStatistics |
| STAT_EQUITYDD_PERCENT | Drawdown in percent that was recorded at the moment of the maximum equity drawdown in monetary terms (STAT_EQUITY_DD). | TesterStatistics |
| STAT_EQUITYMIN | Minimum equity value | TesterStatistics |
| STAT_EXPECTED_PAYOFF | Expected payoff | TesterStatistics |
| STAT_GROSS_LOSS | Total loss, the sum of all negative trades. The value is less than or equal to zero | TesterStatistics |
| STAT_GROSS_PROFIT | Total profit, the sum of all profitable (positive) trades. The value is greater than or equal to zero | TesterStatistics |
| STAT_INITIAL_DEPOSIT | The value of the initial deposit | TesterStatistics |
| STAT_LONG_TRADES | Long trades | TesterStatistics |
| STAT_LOSS_TRADES | Losing trades | TesterStatistics |
| STAT_LOSSTRADES_AVGCON | Average length of a losing series of trades | TesterStatistics |
| STAT_MAX_CONLOSS_TRADES | The number of trades in the longest series of losing trades STAT_MAX_CONLOSSES | TesterStatistics |
| STAT_MAX_CONLOSSES | The total loss of the longest series of losing trades | TesterStatistics |
| STAT_MAX_CONPROFIT_TRADES | The number of trades in the longest series of profitable trades STAT_MAX_CONWINS | TesterStatistics |
| STAT_MAX_CONWINS | The total profit of the longest series of profitable trades | TesterStatistics |
| STAT_MAX_LOSSTRADE | Maximum loss – the lowest value of all losing trades. The value is less than or equal to zero | TesterStatistics |
| STAT_MAX_PROFITTRADE | Maximum profit – the largest value of all profitable trades. The value is greater than or equal to zero | TesterStatistics |
| STAT_MIN_MARGINLEVEL | Minimum value of the margin level | TesterStatistics |
| STAT_PROFIT | Net profit after testing, the sum of STAT_GROSS_PROFIT and STAT_GROSS_LOSS (STAT_GROSS_LOSS is always less than or equal to zero) | TesterStatistics |
| STAT_PROFIT_FACTOR | Profit factor, equal to the ratio of STAT_GROSS_PROFIT/STAT_GROSS_LOSS. If STAT_GROSS_LOSS=0, the profit factor is equal to DBL_MAX | TesterStatistics |
| STAT_PROFIT_LONGTRADES | Profitable long trades | TesterStatistics |
| STAT_PROFIT_SHORTTRADES | Profitable short trades | TesterStatistics |
| STAT_PROFIT_TRADES | Profitable trades | TesterStatistics |
| STAT_PROFITTRADES_AVGCON | Average length of a profitable series of trades | TesterStatistics |
| STAT_RECOVERY_FACTOR | Recovery factor, equal to the ratio of STAT_PROFIT/STAT_BALANCE_DD | TesterStatistics |
| STAT_SHARPE_RATIO | Sharpe ratio | TesterStatistics |
| STAT_SHORT_TRADES | Short trades | TesterStatistics |
| STAT_TRADES | The number of trades | TesterStatistics |
| STAT_WITHDRAWAL | Money withdrawn from an account | TesterStatistics |
| STO_CLOSECLOSE | Calculation is based on Close/Close prices | iStochastic |
| STO_LOWHIGH | Calculation is based on Low/High prices | iStochastic |
| STYLE_DASH | The pen is dashed | Drawing Styles |
| STYLE_DASHDOT | The pen has alternating dashes and dots | Drawing Styles |
| STYLE_DASHDOTDOT | The pen has alternating dashes and double dots | Drawing Styles |
| STYLE_DOT | The pen is dotted | Drawing Styles |
| STYLE_SOLID | The pen is solid | Drawing Styles |
| SUNDAY | Sunday | SymbolInfoSessionQuote, SymbolInfoSessionTrade |
| SYMBOL_ARROWDOWN | Arrow down symbol | Arrow Codes |
| SYMBOL_ARROWUP | Arrow up symbol | Arrow Codes |
| SYMBOL_ASK | Ask - best buy offer | SymbolInfoDouble |
| SYMBOL_ASKHIGH | Not supported | SymbolInfoDouble |
| SYMBOL_ASKLOW | Not supported | SymbolInfoDouble |
| SYMBOL_BID | Bid - best sell offer | SymbolInfoDouble |
| SYMBOL_BIDHIGH | Not supported | SymbolInfoDouble |
| SYMBOL_BIDLOW | Not supported | SymbolInfoDouble |
| SYMBOL_CHECKSIGN | Check sign symbol | Arrow Codes |
| SYMBOL_CURRENCY_BASE | Basic currency of a symbol | SymbolInfoString |
| SYMBOL_CURRENCY_MARGIN | Margin currency | SymbolInfoString |
| SYMBOL_CURRENCY_PROFIT | Profit currency | SymbolInfoString |
| SYMBOL_DESCRIPTION | Symbol description | SymbolInfoString |
| SYMBOL_DIGITS | Digits after a decimal point | SymbolInfoInteger |
| SYMBOL_EXPIRATION_MODE | Not supported | SymbolInfoInteger |
| SYMBOL_EXPIRATION_TIME | Date of the symbol trade end (usually used for futures) | SymbolInfoInteger |
| SYMBOL_FILLING_MODE | Not supported | SymbolInfoInteger |
| SYMBOL_LAST | Not supported | SymbolInfoDouble |
| SYMBOL_LASTHIGH | Not supported | SymbolInfoDouble |
| SYMBOL_LASTLOW | Not supported | SymbolInfoDouble |
| SYMBOL_LEFTPRICE | Left sided price label | Arrow Codes |
| SYMBOL_MARGIN_INITIAL | Initial margin means the amount in the margin currency required for opening an order with the volume of one lot. It is used for checking a client’s assets when he or she enters the market. | SymbolInfoDouble |
| SYMBOL_MARGIN_LIMIT | Not supported | SymbolInfoDouble |
| SYMBOL_MARGIN_LONG | Not supported | SymbolInfoDouble |
| SYMBOL_MARGIN_MAINTENANCE | The maintenance margin. If it is set, it sets the margin amount in the margin currency of the symbol, charged from one lot. It is used for checking a client’s assets when his/her account state changes. If the maintenance margin is equal to 0, the initial margin is used. | SymbolInfoDouble |
| SYMBOL_MARGIN_SHORT | Not supported | SymbolInfoDouble |
| SYMBOL_MARGIN_STOP | Not supported | SymbolInfoDouble |
| SYMBOL_MARGIN_STOPLIMIT | Not supported | SymbolInfoDouble |
| SYMBOL_ORDER_MODE | Not supported | SymbolInfoInteger |
| SYMBOL_PATH | Path in the symbol tree | SymbolInfoString |
| SYMBOL_POINT | Symbol point value | SymbolInfoDouble |
| SYMBOL_RIGHTPRICE | Right sided price label | Arrow Codes |
| SYMBOL_SELECT | Symbol is selected in Market Watch | SymbolInfoInteger |
| SYMBOL_SESSION_AW | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_BUY_ORDERS | Not supported | SymbolInfoInteger |
| SYMBOL_SESSION_BUY_ORDERS_VOLUME | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_CLOSE | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_DEALS | Not supported | SymbolInfoInteger |
| SYMBOL_SESSION_INTEREST | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_OPEN | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_PRICE_LIMIT_MAX | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_PRICE_LIMIT_MIN | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_PRICE_SETTLEMENT | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_SELL_ORDERS | Not supported | SymbolInfoInteger |
| SYMBOL_SESSION_SELL_ORDERS_VOLUME | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_TURNOVER | Not supported | SymbolInfoDouble |
| SYMBOL_SESSION_VOLUME | Not supported | SymbolInfoDouble |
| SYMBOL_SPREAD | Spread value in points | SymbolInfoInteger |
| SYMBOL_SPREAD_FLOAT | Indication of a floating spread | SymbolInfoInteger |
| SYMBOL_START_TIME | Date of the symbol trade beginning (usually used for futures) | SymbolInfoInteger |
| SYMBOL_STOPSIGN | Stop sign symbol | Arrow Codes |
| SYMBOL_SWAP_LONG | Buy order swap value | SymbolInfoDouble |
| SYMBOL_SWAP_MODE | Swap calculation model | SymbolInfoInteger |
| SYMBOL_SWAP_ROLLOVER3DAYS | Day of week to charge 3 days swap rollover | SymbolInfoInteger |
| SYMBOL_SWAP_SHORT | Sell order swap value | SymbolInfoDouble |
| SYMBOL_THUMBSDOWN | Thumb down symbol | Arrow Codes |
| SYMBOL_THUMBSUP | Thumb up symbol | Arrow Codes |
| SYMBOL_TIME | Time of the last quote | SymbolInfoInteger |
| SYMBOL_TRADE_CALC_MODE | Contract price calculation mode | SymbolInfoInteger |
| SYMBOL_TRADE_CONTRACT_SIZE | Trade contract size | SymbolInfoDouble |
| SYMBOL_TRADE_EXECUTION_EXCHANGE | Exchange execution | SymbolInfoInteger |
| SYMBOL_TRADE_EXECUTION_INSTANT | Instant execution | SymbolInfoInteger |
| SYMBOL_TRADE_EXECUTION_MARKET | Market execution | SymbolInfoInteger |
| SYMBOL_TRADE_EXECUTION_REQUEST | Execution by request | SymbolInfoInteger |
| SYMBOL_TRADE_EXEMODE | Deal execution mode | SymbolInfoInteger |
| SYMBOL_TRADE_FREEZE_LEVEL | Distance to freeze trade operations in points | SymbolInfoInteger |
| SYMBOL_TRADE_MODE | Order execution type | SymbolInfoInteger |
| SYMBOL_TRADE_MODE_CLOSEONLY | Allowed only position close operations | SymbolInfoInteger |
| SYMBOL_TRADE_MODE_DISABLED | Trade is disabled for the symbol | SymbolInfoInteger |
| SYMBOL_TRADE_MODE_FULL | No trade restrictions | SymbolInfoInteger |
| SYMBOL_TRADE_MODE_LONGONLY | Allowed only long positions | SymbolInfoInteger |
| SYMBOL_TRADE_MODE_SHORTONLY | Allowed only short positions | SymbolInfoInteger |
| SYMBOL_TRADE_STOPS_LEVEL | Minimal indention in points from the current close price to place Stop orders | SymbolInfoInteger |
| SYMBOL_TRADE_TICK_SIZE | Minimal price change | SymbolInfoDouble |
| SYMBOL_TRADE_TICK_VALUE | Value of SYMBOL_TRADE_TICK_VALUE_PROFIT | SymbolInfoDouble |
| SYMBOL_TRADE_TICK_VALUE_LOSS | Not supported | SymbolInfoDouble |
| SYMBOL_TRADE_TICK_VALUE_PROFIT | Not supported | SymbolInfoDouble |
| SYMBOL_VOLUME | Not supported | SymbolInfoInteger |
| SYMBOL_VOLUME_LIMIT | Not supported | SymbolInfoDouble |
| SYMBOL_VOLUME_MAX | Maximal volume for a deal | SymbolInfoDouble |
| SYMBOL_VOLUME_MIN | Minimal volume for a deal | SymbolInfoDouble |
| SYMBOL_VOLUME_STEP | Minimal volume change step for deal execution | SymbolInfoDouble |
| SYMBOL_VOLUMEHIGH | Not supported | SymbolInfoInteger |
| SYMBOL_VOLUMELOW | Not supported | SymbolInfoInteger |
| TERMINAL_BUILD | The client terminal build number | TerminalInfoInteger |
| TERMINAL_CODEPAGE | Number of the code page of the language installed in the client terminal | TerminalInfoInteger |
| TERMINAL_COMMONDATA_PATH | Common path for all of the terminals installed on a computer | TerminalInfoString |
| TERMINAL_COMMUNITY_ACCOUNT | The flag indicates the presence of MQL5.community authorization data in the terminal | TerminalInfoInteger |
| TERMINAL_COMMUNITY_BALANCE | Balance in MQL5.community | TerminalInfoDouble |
| TERMINAL_COMMUNITY_CONNECTION | Connection to MQL5.community | TerminalInfoInteger |
| TERMINAL_COMPANY | Company name | TerminalInfoString |
| TERMINAL_CONNECTED | Connection to a trade server | TerminalInfoInteger |
| TERMINAL_CPU_CORES | The number of CPU cores in the system | TerminalInfoInteger |
| TERMINAL_DATA_PATH | Folder in which terminal data are stored | TerminalInfoString |
| TERMINAL_DISK_SPACE | Free disk space for the MQL4\Files folder of the terminal (agent), MB | TerminalInfoInteger |
| TERMINAL_DLLS_ALLOWED | Permission to use DLL | TerminalInfoInteger |
| TERMINAL_EMAIL_ENABLED | Permission to send e-mails using SMTP-server and login, specified in the terminal settings | TerminalInfoInteger |
| TERMINAL_FTP_ENABLED | Permission to send reports using FTP-server and login, specified in the terminal settings | TerminalInfoInteger |
| TERMINAL_LANGUAGE | Language of the terminal | TerminalInfoString |
| TERMINAL_MAXBARS | The maximal bars count on the chart | TerminalInfoInteger |
| TERMINAL_MEMORY_AVAILABLE | Free memory of the terminal (agent) process, MB | TerminalInfoInteger |
| TERMINAL_MEMORY_PHYSICAL | Physical memory in the system, MB | TerminalInfoInteger |
| TERMINAL_MEMORY_TOTAL | Memory available to the process of the terminal (agent), MB | TerminalInfoInteger |
| TERMINAL_MEMORY_USED | Memory used by the terminal (agent), MB | TerminalInfoInteger |
| TERMINAL_MQID | The flag indicates the presence of MetaQuotes ID data to send Push notifications | TerminalInfoInteger |
| TERMINAL_NAME | Terminal name | TerminalInfoString |
| TERMINAL_NOTIFICATIONS_ENABLED | Permission to send notifications to smartphone | TerminalInfoInteger |
| TERMINAL_PATH | Folder from which the terminal is started | TerminalInfoString |
| TERMINAL_PING_LAST | The last known value of a ping to a trade server in microseconds. One second comprises of one million microseconds | TerminalInfoInteger |
| TERMINAL_SCREEN_DPI | The resolution of information display on the screen is measured as number of Dots in a line per Inch (DPI). | TerminalInfoInteger |
| TERMINAL_TRADE_ALLOWED | Permission to trade | TerminalInfoInteger |
| THURSDAY | Thursday | SymbolInfoSessionQuote, SymbolInfoSessionTrade |
| TUESDAY | Tuesday | SymbolInfoSessionQuote, SymbolInfoSessionTrade |
| UCHAR_MAX | Maximal value, which can be represented by uchar type | Numerical Type Constants |
| UINT_MAX | Maximal value, which can be represented by uint type | Numerical Type Constants |
| ULONG_MAX | Maximal value, which can be represented by ulong type | Numerical Type Constants |
| USHORT_MAX | Maximal value, which can be represented by ushort type | Numerical Type Constants |
| VOLUME_TICK | Tick volume | Price Constants |
| WEDNESDAY | Wednesday | SymbolInfoSessionQuote, SymbolInfoSessionTrade |
| WHOLE_ARRAY | Used with array functions. Indicates that all array elements will be processed. Means the number of items remaining until the end of the array, i.e., the entire array will be processed | Other constants |
| WRONG_VALUE | The constant can be implicitly cast to any enumeration type | Other constants |
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