We’ve just released a new TeeChart NET for Xamarin.Forms version 4.1.2018.01040. If you’re a registered customer, you can download it directly through the Customer Area page, in the other case, you can always download a Trial version at steema.com or install it through Nuget Package at : nuget.org. This maintenance Release version includes important changes that should […]
Category: General
TeeChart for NET with MVC
TeeChart’s MVC & ASP.NET Charting options For MVC, TeeChart for .NET can either render as a static image format such as PNG or JPEG or as a live javascript HTML5 Canvas object. See this page for some examples: TeeChart MVC examples page. Some of the techniques used by TeeChart’s native ASP.NET Webform chart have been […]
TeeChart for .NET Gauge demo – Subaru BRZ acceleration simulation
The example uses TeeChart’s Circular and Numeric Gauges to simulate the acceleration of a 2016 Subaru BRZ car. Example code for this demo may be downloaded from the github repository: Demo code at github.com/Steema This is a simulation only and though the basis is fairly faithful to empirical results it does not make claims to […]
Animated Activity Gauge with TeeChart Pro VCL
At the moment TeeChart Pro for VCL / FMX does not have a Series type available to create Activity Gauges, maybe in the near future, but here I will show how using another series type and some tricks we can create this kind of Chart. The series type to use is the Donut series. We’ve […]
Linking Charts Demo – Connecting TeeChart for NET to data binding sources
This demo shows how TeeChart’s Charts can be made to work with each other on a Form in a Winform application. The demo uses the basis of the company data of a small technical products supplier; the company sells electronic based products, small computers, tablets and mobile phones and has markets in some countries around […]
2x TeeChart speed in Firemonkey (FastLine, Direct2D)
The Firemonkey Canvas is fast but there is a performance problem when drawing lots of elements (“lots” being in the order of tens of thousands). Using a TPath, adding all the elements to it and then drawing the TPath gives some speed gains but it is not enough. Time is lost filling the TPath anyway. […]
Big files: XML or JSON ? TeeBI !!
Introduction XML and JSON are very typical text formats used to store data, designed to be more comfortable than plain old “csv” text and allowing hierarchical (parent -> child) relationships. However, even if there are many wonderful standard libraries to process them, there is still a speed problem when loading big quantities of data […]
Connecting TeeChart to MySQL at design/run-time on C# .NET Winforms
Introduction Connecting a TeeChart control to MySQL database at design-time using the TeeChart Editor and at run-time. The sourcecode for this demo is available via this github resource: https://github.com/Steema/TeeChart-for-.NET-CSharp-WinForms-samples/tree/master/ConnectingToMySql It assumes that you have a later version of TeeChart for .NET installed in your machine. You can use a TeeChart evaluation version if you don’t […]
What’s New in TeeChart VCL/FMX v2015.16
Build 2015.16.150901 Release September 2015 This technical document describes all changes made to TeeChart component library (FireMonkey and VCL versions) since the release of April 2015. New Supported IDEs Embarcadero RAD Studio 10 Seattle. Full support for Delphi and C++ Builder 10 Seattle for all platform projects. ‘Detail’ property Series ‘master-detail’ functionality, with […]
Reaching the browser page with TeeChart
How different versions of TeeChart reach the browser page Recent news that Microsoft are ceasing support for ActiveX with the new navigator, Edge, included with Windows 10, seems to signal the end of mainstream browser support for ActiveX. ActiveX support was one of the flagship functionality elements for Internet Explorer some years ago but security […]