ISeries.CalcXPosValue
ISeries

function CalcXPosValue(SomeValue: Double): Integer;

Type Library
TeeChartx

Description
Returns the pixel Screen Horizontal coordinate of the specified Value.

This coordinate is calculated using the Series associated Horizontal Axis.

Example [Visual Basic]:

We want to know which is the Horizontal Screen coordinate of 1234.56 value:

tmp = TChart1.Series(0).CalcXPosValue(1234.56)