Hi Yeray, Creating a sample project is quite a major undertaking and as you are not familiar with VFP, it means that you would need runtime libraries and then would not be able to retrieve debug or error messages when it fails. In the User Guide under Custom drawing on the Chart, reference is made t...

Hi Yeray, I have a chart that displays a series of reference lines from left to right on the canvas in OnBeforeDrawSeries prior to plotting a Line series of values. The chart displays correctly on screen even when adding or removing additional series. However, when stepping through the code when cal...

Hi, I have a Tchart ActiveX control (v8) that successfully draws alarm lines on the canvas in the OnBeforeDrawSeries method in VFP 9, but when Exporting, the method returns an error saying "Member Pen does not evaluate to an object". A call to Export is made with:- TChart1.Export.asMetafile.SaveToFi...