IFastLineSeries.AutoRepaint
IFastLineSeries

property AutoRepaint: WordBool;

Type Library
TeeChartx

Description
Use AutoRepaint false to disable Chart repainting whilst (for example) adding a large number of points to a Chart Series. This avoids repainting of the Chart whilst the points are added. AutoRepaint may be re-enabled, followed by a manual Repaint command when all points are added.