I am trying to get the visible value range after zooming on a TLineSeries. This is my current code: Chart1.Draw; Chart1.Title.Text.Clear; Chart1.Title.Text.Add(IntToStr(Series1.FirstDisplayedIndex)); Chart1.Title.Text.Add(IntToStr(Series1.FirstDisplayedIndex + Series1.VisibleCount-1)); I get the cor...

Posting sample code is difficult because the data is retrieved from a database. I have done some more testing and this is what I found: My Data: The chart is supposed to represent sensor values logged over time. The Y-axis is made up of doubles representing Date and Time. When these values approach ...

I am having a problem loading the series with data from 2 dynamic array in Delphi 7. The X axis is filled with time array and the second contains floating point values The arrays are filled starting at element zero and dimensioned to size of the dataset. My application will freeze after the arrays a...