Cool. Thanks!

Scott

Initial testing seems to show that adding "NoLimitDrag := True" prevents the problem from happening.

However, I still think that the line values should not be changing just because the chart was zoomed regardless of the NoLimitDrag setting. Can you confirm this is an issue?

Scott

I think I have run into a bug with the TColorLineTool when zooming and unzooming a chart. Here is some sample code that you can use to repro the bug. This was done using the new TChart 2010 VCL with Delphi 2007. Machine is running Windows Vista Ultimate, 32-bit, 4GB ram. procedure TForm6.FormCreate(...

Works perfectly!

Thanks!
Scott

There is nothing wrong with your code. The problem is I need to be able to restrict the range of movement for each bar. Your example creates a chart with 4 TColorLines at the 100, 200, 300, 400 values on the left axis. For the sake of discussion lets call those lines Line1, Line2, Line3, Line4 with ...

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