Drawing an E3Chart from left to right.
Question: How can an E3Chart be drawn from left to right? Solução: To load a chart from left to right, you must invert how the horizontal axis scale is updated.…
Printing an E3Chart.
Question: How can I print an E3Chart on my application’s screen? Solution: To do so, access E3Studio and follow these procedures: 1. Add a Report to the application. 2. In…
KB-27327: Escondendo dados com má qualidade em um E3Chart.
Descrição: Como posso evitar que dados de má qualidade sejam exibidos em um E3Chart? Solução: Para isto, deve-se configurar a propriedade ShowBadPoint de todas as penas do E3Chart como FALSE,…
KB-31960: Understanding the historic’s discard policy.
Question: How does the Historic’s discard policy work? Solution: This option can be enabled in the Historic settings, on Historic tab, as seen below: Discard data from the…
Demo application: Using an XControl to control the pen’s properties at run time.
The attached demo application displays an XControl called PenControl, which controls pen’s visibility, style, width, type, and color. Each pen must be added to the E3Chart independently, and to each…
KB-18257: Creating a chart with digital points.
Question: How can I create a chart with digital points? Solution: To do so, access E3Chart’s pen settings. On Style tab, change Drawing Style property to Dots, and on Connection…
KB-28178: Displaying a pen’s minimum and maximum values in E3Chart.
Question: Can a pen’s minimum and maximum values be displayed in an E3Chart? Solution: Yes. To do so, access the pen’s settings, on Statistical Data tab, and check the Show…
Structure Query Language (SQL): Chapter 1 – Manipulating information in the DB.
Basically, information can be manipulated in the Database in three different ways: DML – Data Manipulation Language Statements: INSERT, UPDATE, DELETE, SELECT DDL – Data Definition Language Statements: CREATE, ALTER,…
Structure Query Language (SQL): Chapter 2 – SQL Server Database’s Files and Logs.
Every SQL Server database has at least two operational system files: a data file and a log file. The data files contain both data and objects, such as tables, indexes,…
Structure Query Language (SQL): Chapter 5 – Best practices for setting up Historics and Queries.
Historics are the modules responsible for storing application data in a Database for further analysis. You can create as many Historics as needed, each containing several Tags or expressions. Each…