TTMSFNCChartPoint.Undefined Property
When
True, the point is treated as missing and no marker, bar, or connecting line is drawn.
API unit family: TMSFNCChart
Declaring type: TTMSFNCChartPoint
Type: Boolean
Syntax
property Undefined: Boolean;
__property bool Undefined = {read=FUndefined, write=SetUndefined, default=0};
Default: False