Have you set the XValues of the Series to DateTime ?

MyChart.Series(0).XValues.DateTime = True

Josep Lluis Jorge
http://support.steema.com

Perhaps the problem is you're using "screen pixel coordinates" to position custom elements, etc. While this is fine for screen, it does not work so well for printing. The reason for this is internal TeeChart printing algorithm adjusts Chart size (for proportional printing). During this process custo...

A workaround could be to manually draw required text in TChart.OnAfterDraw event using the Canvas.TextOut method. This way there will be no need to call the Draw method. void __fastcall TForm1::Chart1AfterDraw(TObject *Sender) { startTime = Chart1->Axes->Bottom->Minimum; endTime = Chart1->Axes->Bott...

You can use the GetPointerStyle() event, e.g. private void Form1_Load(object sender, System.EventArgs e) { Steema.TeeChart.Styles.Points points1 = new Steema.TeeChart.Styles.Points(tChart1.Chart); points1.GetPointerStyle += new Steema.TeeChart.Styles.CustomPoint.GetPointerStyleEventHandler(points1_G...

Hi Bill,

have you tried using :
TeePlotChart->AllowZoom = false;
instead of :
TeePlotChart->Zoom->Allow = false;

Josep Lluis Jorge
http://support.steema.com

1) to prevent this you could change the MarginTop manually as in the following code. 2) You could get the left axis position in the OnBeforeDrawSeries event, the following code works fine : procedure TForm1.FormCreate(Sender: TObject); begin Series1.FillSampleValues(10); Chart1.Title.CustomPosition ...

>Any idea ?
Difficult, it works fine here using the latest TeeChart Pro v6.0.0.4. I'm going to need on example with which I can reproduce the problem "as is" here. (if you can send me it to the steema.public.attachments newsgroup).

Josep Lluis Jorge
http://support.steema.com

>What is the absolutely fastest way to load this data into a chart? All data fed into TeeChart is reduced to double values before painting, making an array of double values the most efficient way to load data into a chart. After this, any way which does not involve iterating through a set of data (u...

Hi David,

have you tried to add :
Chart1.Draw();
after the Data is added to the Chart ?

Josep Lluis Jorge
http://support.steema.com

This seems to be a bug, I've added it on our defect list and a fix for it will be considered to inclusion for the next releases.

Josep Lluis Jorge
http://support.steema.com

Hi Nefis,

I still without being able to reproduce the problem here, could you please send me an example (to steema.public.attachments newsgroups) with which I can reproduce it "as is" here ?

Josep Lluis Jorge
http://support.steema.com

I've test it here and the same code works as expected here using the latest TeeChart Pro v6.04

Josep Lluis Jorge
http://support.steema.com

Hi Pete,

yes, you're correct, this is a known bug in TeeChart Pro AX v5 which has been fixed in TeeChart Pro AX v6.

Josep Lluis Jorge
http://support.steema.com

Yes, the support for Null points in TFastLine Series has been included in the TeeChart Pro v6. You can find one example in the TeeChart Pro v6 Demo Features project under : Welcome ! -> New Features -> Series -< Fast Line -> Nulls and Stairs. If you're using the TeeChart Pro v5 a workaround is to us...

Hi Vince, in your case you should add Null points for the missing data. The support for Null points in TFastLine Series has been included in the TeeChart Pro v6. You can find one example in the TeeChart Pro v6 Demo Features project under : Welcome ! -> New Features -> Series -< Fast Line -> Nulls an...