MQL5 ReferenceStandard LibraryCustom GraphicsCHistogramChartSeriesDelete GradientBarGapBarMinSizeBarBorderCreateSeriesAddSeriesInsertSeriesUpdateSeriesDeleteValueUpdateDrawDataDrawBarGradientBrush SeriesDelete Deletes data series from the chart. bool SeriesDelete( const uint pos, // index ) Parameters pos [in] Index of the series — the serial number of its addition, starting with 0. Return Value true if successful, otherwise — false. SeriesUpdate ValueUpdate