Found the problem. Include files had to go at the top in c++ builder.

Oh, I'm using the latest (Feb 2011) Pro version of TeeChart.

Hi again, an update: I found the AddXY not working under c++ is already known: http://www.teechart.net/support/viewtopic.php?f=3&t=11993&p=51484&hilit=addxy#p51484 However, the fix given there does not work either. Also, the following functions raises exceptions: * Series1->Color = clRed; * Chart1->...

Hi, I have serious problems with the TLineSeries in the new TeeChart for VCL. Using AddXY to add a point does not work properly. The following code snippet shows an empty plot: void __fastcall TForm1::FormCreate(TObject *Sender) { for (double i = 0; i < 10; i++) { Series1->AddXY(2 * i, i); } } Furth...