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Questions tagged [teechart]

TeeChart is a commercial set of powerful charting components originally written for Delphi. A basic component called TChart is included in every Delphi IDE supporting VCL and FireMonkey frameworks. TeeChart is also available for major languages: .NET Framework, Xamarin (including Android, iOS and Forms) Java (including Swing, SWT and Android), ActiveX, Javascript/HTML5 and PHP.

With TeeChart it is possible to draw, manipulate, print and export various kinds of charts. This includes Bar, Line, Pie, financial charts of different kinds and a lot of more sophisticated graphs in 2D and 3D. Rendering is possible on a Canvas and also with OpenGL.

TeeChart is developed by Steema Software: http://www.steema.com/

817 questions
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Using Delphi TChart to display information from a database

I want to create a pie chart in Delphi that will show the user the number of people who play a specific sport. The following SQL statements gets the information from the database and stores the number of people in a variable. The data type in the…
Visiobibliophobia
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Why does TChart left axis title position depend on title length?

I use fixed LabelsSize and TitleSize to keep my TChart LeftAxis at the same position, but the axis title (90° vertical) move around depending on its length. It is clear that the title's X position is calculated from the centre of the 0° (horizontal)…
user2618654
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TeEngine.pas not found

I am creating a program that produces bar graphs. Yesterday, the code compiled normally and ran without a glitch. But when I try to run it now, a read address error occurs. This piece of code is giving the problems: for K:=0 to Length(arrIncomes)…
Marnu123
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Is it possible to use the .NET version of TeeChart with C++?

TeeChart .NET is a 100% managed C#.NET Charting Control. Would it still be possible to use the .NET version of the charting control with Visual C++? I'm contemplating changing IDEs from Codegear to Visual Studio, so the legacy C++ code is obviously…
Seth
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Change chart bar offset (OffsetPercent) at runtime

There is a property inside Teechart edit window named bar offset. Like the following picture. Inside .dfm file it's name is OffsetPercent. Q: How to change it at runtime.
SAMPro
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Draw multiple pie chart vertically?

With default settings I have a result like this: Q: Is there any way to draw multiple pie chart vertically?
SAMPro
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Prevent series from using clWhite with Delphi TChart

I have a report that uses a TChart that I am maintaining. One of the TLineSeries that gets added automatically gets assigned the color clWhite, which is too close to the background (clBtnFace). If I change it, then the next series that gets added…
Jim McKeeth
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"Ordinal 132 not found in SSLEAY32.dll" after installation of TeeChart 2013

After installation of the new TeeChart 2013 Pro to Delphi XE2 I am hitting the error shown in the title when I try to load or create a new project. After clicking OK Delphi runs fine. Sometimes the error box comes back when a new project is…
wp_1233996
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Teechart + Paging and Scroll together

Can I use paging and scrollAxis Tool together because once we do a Scroll and after that try to do next page or prev page using page Number tool it doesn't work. Thanks Akshay
Akshay Bhalla
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Is it possible to repaint only a region of TeeChart when modifying series points?

I have encountered the performance issue while refreshing the whole graph with a lot of points on it and would like to ask if there is a way to decrease the time taken to redraw the graph. For instance, my graph contains a hundred of TAreaSeries…
Wrackage
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How to use TeeChart to produce such chart?

Using the data points pasted at the end, I get a chart using TeeChart looking like below (2nd image). However, what I want to get is as shown as the 1st image (black line). I am wondering how to do this? Any comments (about how to do or about the…
SOUser
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Teechart axis title

I have a Delphi charting application, I want the user to select the charts they want from a dropdown menu (combobox) which is fine. I want to be able to change the chart x-axis (bottom axis) title to that of the text in the combobox, however I cant…
Silentdarkness
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Teechart, Gantt Series, Visual Studio's Designer And The "Array rank '2' is too high" Error

Everytime I try to save changes to a UserControl that contains a chart using gantt series, Visual Studio's designer always pops up the following error message: Array rank '2' is too high. visual studio can only load and save arrays with rank…
Maxwin
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how to add mouse click events in TeeChart for .net

I am creating GUI in C# using Windows Form. To view data in graphical representation I am using licensed TeeChart for .Net v3. I want to implement mouse click events in TeeChart. I have the VB6 code for that because the GUI is created in VB6…
reddy
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How do I display StringLabelValue?

I'm use Teechart version .Net & VS2005. X-axis of the graph type of date and time, Y-axis was added to the Point Series. I want to show the StringLabelValue. My Code : private void GridPoint() { datatable dt_point = new datatable(); …
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