Hello, thanks for your request!
SciChart series are rendered using a custom rendering engine, which we’ve written to replace the slow vector engine in WPF. Some of the series support brushes, e.g. the FastMountainRenderableSeries, Candlestick series, ColumnSeries support LinearGradientBrush, but the line series can only support solid colors I’m afraid.
What is it you are trying to achieve?
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