DateToIndex(Value: DateTime): Integer;
Value. Calendar series point.
The DateToIndex method returns index of the specified calendar series point.
This example describes custom method. The data series is passed by points.
Public Function UserFunc(Input: ITimeSeries): Double;
Var
i: Integer;
Begin
i := Input.CurrentIndex;
If Input.DateToIndex(DateTime.Now) <> i
Then Return Math.Log10(Input.Item(i));
Else Return Double.Nan
End If;
End Function UserFunc;
The method returns the natural logarithm for all series points, except for one that falls into the current date.
See also: