MQL5 ReferenceConstants, Enumerations and StructuresChart Constants Types of Chart EventsChart TimeframesChart PropertiesPositioning ConstantsChart RepresentationExamples of Working with the Chart Chart Constants Constants describing various properties of charts are divided into the following groups: Types of events – events that occur when working with charts; Chart timeframes – standard built-in periods; Properties of chart – identifiers that are used as parameters of chart functions; Positioning constants - value of a parameter of the ChartNavigate() function; Displaying charts - setting the chart appearance. Constants, Enumerations and Structures Types of Chart Events