I'd try calling TChart.Draw() before positioning the ColorLines so that all chart objects have been painted and they have valid property values.

That seems to do the trick.

Thanks!
Scott

I'll send you an email shortly. Thanks!

Here is the error I get when I try to use the upload page. I'm using Chrome browser.

Yeray,

The upload page gives a configuration error and I cannot seem to connect to the news server you specified. I use other news servers all the time but I can't get yours to work. Is the address right? Is there an email address I can send the attachment to?

Scott

Just wondering if there was any update on this issue. I can still send you a working sample .exe if you'd like. I can't attach it here since it only allows 512K size. I can email it to you if you'd like.

Thanks
Scott Slater

I have attached a sample application to illustrate the problem. The sample consists of 2 forms. Once is the main form with 2 TCharts and the other is a QuickReport form with 2 TQRCharts. When you first run the program you will see one chart with 5 ColorLineTool lines visible. There is a second chart...

I'm using XE4 with TeeChartPro 2013 Build 2013.08.130521 I've got a form that has 6 different TeeCharts in a TcxScrollBox (DevEx component). When the form is displayed you can initially see about 2.5 charts and the user has to scroll down to see the others. Each chart as between 1 to 5 ColorLineTool...