Hi Sandra, Thanks for your reply. The method you suggested is a work around and not the final solution of the problem. Our application continuously plots realtime data and volume of data is very high (millions of rows). TChart already slows down with this volume and calling Refresh every few seconds...

Hi Sandra,

I have attached sample project which re-produces the issue with FastLine. Run the project and click on 'Load Data' button. Zoom in and out few times and move your mouse in the chart to get the unhandled exception.

Hi Sandra, Thanks for your reply. I already did this but it doesn't stop unhandled exceptions and application crashes. Main problem is bugs in the FastLine series. We are facing these issues since last few releases but the FastLine series in this release is very unstable and it simply doesn't work. ...

Hi,

Would you please answer ?

Hi Narcis,

Any update? As I said it's very urgent for us and I would appreciate if you can tell me whether you can provide us the hotfix for this issue.

Nitin

Hi Narcis, Yes I do check if it returns -1. Even earlier it was not working fine but the amount of unhandled exception is now higher in this release and it makes the application completely unstable. Please let me know how fast you can provide the fix as this is very urgent and even previous versions...

Hi Narcis, I cannot send a sample example as the application is very complex. I've noticed that the exception fires when mouse hovers over a series. In MouseEnter event of FastLine, we capture X and Y and call Clicked(X,Y) method to find the index. At this time, it throws unhandled exception. In ear...

Hi, We've just upgraded to latest version of TeeChart for .NET 2012 4.1.2012.05100. We're having issues with FastLine where the application crashes with following unhandled exception Steema.TeeChart.Styles.ValueList.InsertChartValue(Int32 valueIndex, Double value) at Steema.TeeChart.Styles.FastLine....