Narcis, Marks are available in FastLine series. Thanks - I just assumed they weren't available based on the description of the FastLine series in the help file ("FastLineSeries has no clicking support and no Marks"). I will give this and your other suggestions a try and see what will work for me. Be...

I am working on a data acquisition application in which I am using FastLine series to display real-time, scrolling, trend plots (time vs signal). I would like to place "event markers" of some sort onto the plot that are tied to a particular x-axis time value so that they scroll as the x-axis scrolls...

Hi Scott, yes, you're correct, to solve it you can do : Private Sub TChart1_OnSeriesBeforeAdd(ByVal SeriesIndex As Long, MoreValues As Boolean) TChart1.Canvas.ClipRectangle TChart1.Axis.Left.Position, TChart1.Axis.Top.Position, TChart1.Axis.Right.Position, TChart1.Axis.Bottom.Position End Sub This ...

Hi Scott, I cannot reproduce the problem using the following code : Private Sub TChart1_OnTimer() With TChart1 .Series(0).asFastLine.AddRealTime Now, Rnd * 100 ' .Axis.Bottom.SetMinMax Now - 8 / 86400, Now + 2 / 86400 End With End Sub Could you please modify and post it here so I can reeproduce the...

I am using Using TeeChart Pro 7.0.0.6 with FastLine series. When I set AutoSizeVertAxis=false and zoom into the series while new points are still being added via AddRealTime, any new points that fall outside the chart area are still being painted onto the panel on top of chart titles, legends, etc. ...