I installed 9.04 (2001.04) this morning, and recompiled the application. It exhibits the same issue. I inspected the relevant code in InternalCalcRange() and it's exactly the same, so I would expect the same result. I compiled a version with Eurekalog included in the project and the stack trace to t...

I have version 9.03 (which I believe is the same as 2011.03 ?) I've changed the timer event handler code to disable the timer in my example after generating a single point, to more easily generate the condition that allows the issue to arise. procedure TForm1.Timer1Timer(Sender: TObject); begin if A...

I have created and attached the simplest possible project to illustrate the issue. The full project source is included, but the smallest possible executable cannot be zipped down to less than the 512Kb limit allows on this forum. To rebuild the project: 1) Obviously range checking must be enabled. 2...

First I have TeeChart VCL 9.03 and I am working with Delphi XE developing a Win32 application. In my application I have implemented a strip chart recorder using a TLineSeries to display data that is generated asynchronously. Operators need to be able to zoom in on the results. I have observed in cas...