teechart

Why I get an "Canvas does not allow drawing" while drawing in TeeChart ActiveX 5 component?

I'm using Steema's TeeChart ActiveX 5 component for an application in .NET C#. I do some drawings using the methods Line(), Rectangle() and Circle() through the "Canvas" property of the component. My code for drawing is called on every on every OnBeforeDrawSeries() and OnAfterDraw() events of the component. When there is only a few dr...

How to Install a COM using ClickOnce

I have installed my windows application that uses TeeChart ActiveX (a COM Component for charting) using ClickOnce. If I register manually TeeChart using regsvr32 teechart8.ocx, my application works fine. But I want and I need to install the application using ClickOnce. How can I do that? ...

Mouseover hint for TChart series value

I am using a TChart in Delphi 7, and I want to display some bar charts. I am using the following code to set up the series values from a database query: chart1.FreeAllSeries; chart1.SeriesList.Clear; chart1.AddSeries(TBarSeries.Create(Self)); TBarSeries(chart1.Series[0]).BarStyle:=bsRectGradient; with query1 do begin ...

Multithreading TeeChart & Media Element

Hi, I am working in WPF, using a Media Element and a WPF TeeChart (by Steema). Both of these are visible and updating at the same time - whilst the video is playing, the graph will update at regular intervals to show data relevant to the current location in the video. The problem is that the TeeChart takes a long time to update, which ...

TeeChart VCL vs .NET

Is TeeChart .NET built from the same source as TeeChart VCL? I'm just wandering as we have a VCL application heavily dependent on TeeChart and I would like to redevelop the GUI component in .NET so I can switch from the Codegear IDE to Visual Studio. ...