TChartSeries.SetNull
TChartSeries
procedure SetNull(ValueIndex: Integer; Null: Boolean);
Unit
TeEngine
Description
Makes the ValueIndex referred point to be "hidden" (invisible).
Corresponds to setting the point's color to "clNone":
Series1.SetNull( 123 )
...is the same as...
Series1.ValueColor[ 123 ] := clNone