Automated Trading Language Documentation

How to Copy Trading from MetaTrader 5 to MetaTrader 4

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MQL5 ReferenceStandard Constants, Enumerations and StructuresChart ConstantsChart Representation

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Chart Representation

Price charts can be displayed in three ways:

•as bars;

•as candlesticks;

•as a line.

The specific way of displaying the price chart is set by the function ChartSetInteger(chart_handle,CHART_MODE, chart_mode), where chart_mode is one of the values of the ENUM_CHART_MODE enumeration.

ENUM_CHART_MODE

ID	Description
CHART_BARS	Display as a sequence of bars
CHART_CANDLES	Display as Japanese candlesticks
CHART_LINE	Display as a line drawn by Close prices

To specify the mode of displaying volumes in the price chart the function ChartSetInteger(chart_handle, CHART_SHOW_VOLUMES, volume_mode) is used, where volume_mode is one of values of the ENUM_CHART_VOLUME_MODE enumeration.

ENUM_CHART_VOLUME_MODE

ID	Description
CHART_VOLUME_HIDE	Volumes are not shown
CHART_VOLUME_TICK	Tick volumes
CHART_VOLUME_REAL	Trade volumes

Example:

//--- Get the handle of the current chart
   long handle=ChartID();
   if(handle>0) // If it succeeded, additionally customize
     {
      //--- Disable autoscroll
      ChartSetInteger(handle,CHART_AUTOSCROLL,false);
      //--- Set the indent of the right border of the chart
      ChartSetInteger(handle,CHART_SHIFT,true);
      //--- Display as candlesticks
      ChartSetInteger(handle,CHART_MODE,CHART_CANDLES);
      //--- Scroll by 100 bars from the beginning of history
      ChartNavigate(handle,CHART_CURRENT_POS,100);
      //--- Set the tick volume display mode
      ChartSetInteger(handle,CHART_SHOW_VOLUMES,CHART_VOLUME_TICK);
     }